message stringlengths 2 16.2k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 575 109k | cluster float64 16 16 | __index_level_0__ int64 1.15k 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves working out. He is now exercising N times.
Before he starts exercising, his power is 1. After he exercises for the i-th time, his power gets multiplied by i.
Find Snuke's power aft... | instruction | 0 | 101,059 | 16 | 202,118 |
Yes | output | 1 | 101,059 | 16 | 202,119 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves working out. He is now exercising N times.
Before he starts exercising, his power is 1. After he exercises for the i-th time, his power gets multiplied by i.
Find Snuke's power aft... | instruction | 0 | 101,060 | 16 | 202,120 |
No | output | 1 | 101,060 | 16 | 202,121 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves working out. He is now exercising N times.
Before he starts exercising, his power is 1. After he exercises for the i-th time, his power gets multiplied by i.
Find Snuke's power aft... | instruction | 0 | 101,061 | 16 | 202,122 |
No | output | 1 | 101,061 | 16 | 202,123 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves working out. He is now exercising N times.
Before he starts exercising, his power is 1. After he exercises for the i-th time, his power gets multiplied by i.
Find Snuke's power aft... | instruction | 0 | 101,062 | 16 | 202,124 |
No | output | 1 | 101,062 | 16 | 202,125 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke loves working out. He is now exercising N times.
Before he starts exercising, his power is 1. After he exercises for the i-th time, his power gets multiplied by i.
Find Snuke's power aft... | instruction | 0 | 101,063 | 16 | 202,126 |
No | output | 1 | 101,063 | 16 | 202,127 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,904 | 16 | 203,808 |
"Correct Solution:
```
A, B, C, D, E, F = map(int, input().split())
Swater, sugar, percent = 100*A, 0, 0
for k in range(F//(100*A) + 1):
for l in range(F//(100*B) + 1):
if k == 0 and l == 0:
continue
M = k*A + l*B
if 100 * M > F:
continue
for x in range(M*E//C + 1):
for y in range(M*... | output | 1 | 101,904 | 16 | 203,809 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,905 | 16 | 203,810 |
"Correct Solution:
```
a, b, c, d, e, f = map(int, input().split())
res = (100 * a, 0)
for aa in range(0, f + 1, 100 * a):
for bb in range(0, f + 1, 100 * b):
w = aa + bb
if w == 0 or w >= f:
continue
r = f - w
for cc in range(0, r + 1, c):
for dd in range(0, ... | output | 1 | 101,905 | 16 | 203,811 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,906 | 16 | 203,812 |
"Correct Solution:
```
a,b,c,d,e,f = map(int, input().split())
water, suger = 0,0
dense = 0
waters = set()
sugers = set()
for i in range(0,31,a):
for j in range(i,31,b):
waters.add(j*100)
for i in range(0,f//2+1,c):
for j in range(i,f//2+1,d):
sugers.add(j)
waters = sorted(list(waters))
sugers = sorted(list... | output | 1 | 101,906 | 16 | 203,813 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,907 | 16 | 203,814 |
"Correct Solution:
```
a,b,c,d,e,f=map(int,input().split())
waterL=[]
ac=0
while a*100*ac<=f:
bc=0
while a*100*ac+b*100*bc<=f:
waterL.append(a*100*ac+b*100*bc)
bc += 1
ac += 1
waterL.remove(0)
ma=0
ms=0
mw=0
for w in waterL:
lim=w/100*e
cc=0
while c*cc<=lim and c*cc+w<=f:
... | output | 1 | 101,907 | 16 | 203,815 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,908 | 16 | 203,816 |
"Correct Solution:
```
A, B, C, D, E, F = map(int, input().split())
ans_sw = 1
ans_s = 0
for a in range(F//(100*A)+1):
for b in range(F//(100*B)+1):
if 100*A*a + 100*B*b > F or 100*A*a+100*B*b == 0:
continue
for c in range((A*a+B*b)*E+1):
for d in range((A*a+B*b)*E+1):
sw = 100*A*a+100*B*b... | output | 1 | 101,908 | 16 | 203,817 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,909 | 16 | 203,818 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(65536)
a,b,c,d,e,f=map(int, input().split())
def memoize(f):
memo = {}
def g(*args):
if args not in memo:
memo[args] = f(*args)
return memo[args]
return g
@memoize
def search(w, s):
if 100*w+s > f:
return (-1, w, s)
if s > e * w or w == 0:
retu... | output | 1 | 101,909 | 16 | 203,819 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,910 | 16 | 203,820 |
"Correct Solution:
```
A, B, C, D, E, F = map(int, input().split())
water = set()
sugar = set()
for i in range(0, F+1, 100*A):
for j in range(0, F+1-A, 100*B):
water.add(i+j)
for i in range(0, F+1, C):
for j in range(0, F+1-C, D):
sugar.add(i+j)
per = -1
for w in water:
for s in sugar:
... | output | 1 | 101,910 | 16 | 203,821 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of operations.
* Operation 1: Pour 100A grams of water int... | instruction | 0 | 101,911 | 16 | 203,822 |
"Correct Solution:
```
A,B,C,D,E,F=map(int,input().split())
w=set()
s=set()
for i in range(31):
for j in range(16):
if 100*(A*i+B*j)<=F:
w.add(100*(A*i+B*j))
for i in range(1501):
for j in range(751):
if C*i+D*j<=F/2:
s.add(C*i+D*j)
w=list(w)
w.sort()
del w[0]
s=list(s)
s... | output | 1 | 101,911 | 16 | 203,823 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,912 | 16 | 203,824 |
Yes | output | 1 | 101,912 | 16 | 203,825 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,913 | 16 | 203,826 |
Yes | output | 1 | 101,913 | 16 | 203,827 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,914 | 16 | 203,828 |
Yes | output | 1 | 101,914 | 16 | 203,829 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,915 | 16 | 203,830 |
Yes | output | 1 | 101,915 | 16 | 203,831 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,916 | 16 | 203,832 |
No | output | 1 | 101,916 | 16 | 203,833 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,917 | 16 | 203,834 |
No | output | 1 | 101,917 | 16 | 203,835 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,918 | 16 | 203,836 |
No | output | 1 | 101,918 | 16 | 203,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke is making sugar water in a beaker. Initially, the beaker is empty. Snuke can perform the following four types of operations any number of times. He may choose not to perform some types of ... | instruction | 0 | 101,919 | 16 | 203,838 |
No | output | 1 | 101,919 | 16 | 203,839 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are A slimes lining up in a row. Initially, the sizes of the slimes are all 1.
Snuke can repeatedly perform the following operation.
* Choose a positive even number M. Then, select M con... | instruction | 0 | 102,800 | 16 | 205,600 |
No | output | 1 | 102,800 | 16 | 205,601 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,475 | 16 | 206,950 |
"Correct Solution:
```
from functools import lru_cache
n, a = int(input()), list(map(int, input().split()))
@lru_cache(maxsize=None)
def f(x, y, l, r):
if r - l + 1 <= 2:
return 0
return min(a[i] * (x + y) + f(x, x + y, l, i) + f(x + y, y, i, r) for i in range(l + 1 , r))
print(a[0] + a[-1] + f(1, 1,... | output | 1 | 103,475 | 16 | 206,951 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,476 | 16 | 206,952 |
"Correct Solution:
```
"""
https://atcoder.jp/contests/agc035/tasks/agc035_d
毎回1枚カードが減り、寄与が2倍になる
両端のカードは消せない → 寄与は1倍のまま
端から2枚目のカードしか選ばなくていいみたいなの無いかな？
端から2枚目を選ぶと、1つは端の寄与になり、もう一つは動の寄与になる
つまり、動の寄与の総和は変化しない
そうでないのを選ぶと、動の寄与に2倍かかる
→ 2**18 になっていい感じのオーダーにはなる
検証：
5枚で真ん中を最初に選ぶべきなのを作れるか？
0,X,Y,Z,0
0,X+Y,Y+Z,0
0,X+2Y+Z,Y+Z
X... | output | 1 | 103,476 | 16 | 206,953 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,477 | 16 | 206,954 |
"Correct Solution:
```
from functools import lru_cache
def solve(n, aaa):
@lru_cache(maxsize=None)
def search_min(li, ri, lc, rc):
w = ri - li
if w == 1:
return 0
lrc = lc + rc
if w == 2:
return aaa[li + 1] * lrc
if w == 3:
a1, a2 = a... | output | 1 | 103,477 | 16 | 206,955 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,478 | 16 | 206,956 |
"Correct Solution:
```
from functools import lru_cache
N = int(input())
A = list(map(int, input().split()))
@lru_cache(maxsize=None)
def dfs(l, r, wl, wr):
if r <= l + 1:
return 0
v = min(dfs(l, m, wl, wl+wr) + dfs(m, r, wl+wr, wr) + A[m] * (wl+wr) for m in range(l+1, r))
return v
print(dfs(0, N-1... | output | 1 | 103,478 | 16 | 206,957 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,479 | 16 | 206,958 |
"Correct Solution:
```
from functools import lru_cache
N = int(input())
A = list(map(int, input().split()))
@lru_cache(None)
def f(l, r, xl, xr):
if l+1 == r:
return xl * A[l] + xr * A[r]
tmp = float("inf")
for m in range(l+1, r):
v = f(l, m, xl, xl+xr) + f(m, r, xl+xr, xr) - (xl+xr) * A[m]
tmp = ... | output | 1 | 103,479 | 16 | 206,959 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,480 | 16 | 206,960 |
"Correct Solution:
```
# ikatakosさんの提出を見てlru_cacheなるものを知った。
# まだまだ知らないことがたくさんありますね。
from functools import lru_cache
N = int(input())
A = [int(i) for i in input().split()]
@lru_cache(maxsize=None)
def rec(l, r, xl, xr) :
if l + 1 == r :
return 0
return min(rec(l, m, xl, xl+xr)+rec(m, r, xl+xr, xr... | output | 1 | 103,480 | 16 | 206,961 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,481 | 16 | 206,962 |
"Correct Solution:
```
from functools import lru_cache
def solve(n, aaa):
@lru_cache(maxsize=None)
def search_min(li, ri, lc, rc):
w = ri - li
base = aaa[li] * lc
if w == 1:
return base
lrc = lc + rc
if w == 2:
return base + aaa[li + 1] * lrc
... | output | 1 | 103,481 | 16 | 206,963 |
Provide a correct Python 3 solution for this coding contest problem.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until two cards remain:
* Choose three consecutive cards from t... | instruction | 0 | 103,482 | 16 | 206,964 |
"Correct Solution:
```
N=int(input())
A=list(map(int,input().split()))
memo={}
def dp(i,j,L,R):
if (i,j,L,R) in memo:
return memo[(i,j,L,R)]
if i==j:
memo[(i,j,L,R)]=0
memo[(i,j,L,R)]=(L+R)*A[i]
return (L+R)*A[i]
elif i>j:
return 0
ans=10**18
for k in range(... | output | 1 | 103,482 | 16 | 206,965 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until tw... | instruction | 0 | 103,483 | 16 | 206,966 |
Yes | output | 1 | 103,483 | 16 | 206,967 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until tw... | instruction | 0 | 103,484 | 16 | 206,968 |
No | output | 1 | 103,484 | 16 | 206,969 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until tw... | instruction | 0 | 103,485 | 16 | 206,970 |
No | output | 1 | 103,485 | 16 | 206,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until tw... | instruction | 0 | 103,486 | 16 | 206,972 |
No | output | 1 | 103,486 | 16 | 206,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a stack of N cards, each of which has a non-negative integer written on it. The integer written on the i-th card from the top is A_i.
Snuke will repeat the following operation until tw... | instruction | 0 | 103,487 | 16 | 206,974 |
No | output | 1 | 103,487 | 16 | 206,975 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,240 | 16 | 208,480 |
"Correct Solution:
```
U = 2*10**5
MOD = 10**9+7
fact = [1]*(U+1)
fact_inv = [1]*(U+1)
for i in range(1,U+1):
fact[i] = (fact[i-1]*i)%MOD
fact_inv[U] = pow(fact[U], MOD-2, MOD)
for i in range(U,0,-1):
fact_inv[i-1] = (fact_inv[i]*i)%MOD
def comb(n, k):
if k < 0 or k > n:
return 0
z = fact... | output | 1 | 104,240 | 16 | 208,481 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,241 | 16 | 208,482 |
"Correct Solution:
```
MOD = 10**9+7
MAX = 2*(10**5)+1
fac = [1 for i in range(MAX)]
finv = [1 for i in range(MAX)]
inv = [1 for i in range(MAX)]
b,w = map(int,input().split())
if (b >= w):
flag = 0
else:
flag = 1
b,w = w,b
for i in range(2,MAX):
fac[i] = fac[i-1]*i%MOD
inv[i] = MOD - inv[MOD%i]*(M... | output | 1 | 104,241 | 16 | 208,483 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,242 | 16 | 208,484 |
"Correct Solution:
```
import sys
input=sys.stdin.readline
sys.setrecursionlimit(10**9)
mod=10**9+7
b,w=map(int,input().split())
n=b+w
def power(x,n):
if n==0:
return 1
elif n%2:
return power(x,n//2)**2*x%mod
else:
return power(x,n//2)**2%mod
def modinv(n):
return power(n,mod-2)... | output | 1 | 104,242 | 16 | 208,485 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,243 | 16 | 208,486 |
"Correct Solution:
```
from collections import defaultdict
B,W = map(int,input().split())
mod = 10**9+7
fact = [0]*(10**6+1)
fact[0] = 1
for i in range(10**6):
fact[i+1] = fact[i]*(i+1)%mod
def comb_(n,k):
return fact[n]*pow(fact[k],mod-2,mod)*pow(fact[n-k],mod-2,mod)*pow(2,(n+1)*(mod-2),mod)%mod
f_B = defau... | output | 1 | 104,243 | 16 | 208,487 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,244 | 16 | 208,488 |
"Correct Solution:
```
B,W=map(int,input().split())
N=B+W+2
mod=10**9+7
table=[1]*(N+3)
t=1
for i in range(1,N+3):
t*=i
t%=mod
table[i]=t
rtable=[1]*(N+3)
t=1
for i in range(1,N+3):
t*=pow(i,mod-2,mod)
t%=mod
rtable[i]=t
p=[0]*(B+W+1)
q=[0]*(B+W+1)
t=pow(2,mod-2,mod)
for i in range(W,B+W+1):
... | output | 1 | 104,244 | 16 | 208,489 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,245 | 16 | 208,490 |
"Correct Solution:
```
b,w=map(int,input().split())
dp=[0]*(b+w)
dp[0]=1/2
mod=pow(10,9)+7
def cmb(n,r,mod):
if (r<0 or r>n):
return 0
r=min(r,n-r)
return g1[n]*g2[r]*g2[n-r]%mod
g1=[1,1] # g1[i]=i! % mod :階乗
g2=[1,1] # g2[i]=(i!)^(-1) % mod :階乗の逆元
inverse=[0,1]
for i in range(2,b+w+1):
g1.append((g1[-1]*i... | output | 1 | 104,245 | 16 | 208,491 |
Provide a correct Python 3 solution for this coding contest problem.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or white with equal probability, and eat a piece of that c... | instruction | 0 | 104,246 | 16 | 208,492 |
"Correct Solution:
```
b,w = map(int,input().split())
flg = 0
if b>w:
flg = 1
b,w = w,b
elif b == w:
for _ in range(b+w):
print(500000004)
exit()
mod = 10**9+7
rng = 200100
fctr = [1]
finv = [1]
for i in range(1,rng):
fctr.append(fctr[-1]*i%mod)
def inv(a):
return pow(a,mod-2,mod)
def cmb(n,k):
if n<0... | output | 1 | 104,246 | 16 | 208,493 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or... | instruction | 0 | 104,250 | 16 | 208,500 |
Yes | output | 1 | 104,250 | 16 | 208,501 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or... | instruction | 0 | 104,252 | 16 | 208,504 |
No | output | 1 | 104,252 | 16 | 208,505 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or... | instruction | 0 | 104,254 | 16 | 208,508 |
No | output | 1 | 104,254 | 16 | 208,509 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today, Snuke will eat B pieces of black chocolate and W pieces of white chocolate for an afternoon snack.
He will repeat the following procedure until there is no piece left:
* Choose black or... | instruction | 0 | 104,255 | 16 | 208,510 |
No | output | 1 | 104,255 | 16 | 208,511 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke lives on an infinite two-dimensional plane. He is going on an N-day trip. At the beginning of Day 1, he is at home. His plan is described in a string S of length N. On Day i(1 ≦ i ≦ N), he will travel a positive distance in the following direct... | instruction | 0 | 104,325 | 16 | 208,650 |
"Correct Solution:
```
from collections import Counter
a=Counter(set(list(input().strip())))
if a["N"]==a["S"] and a["E"]==a["W"]:
print("Yes")
else:
print("No")
``` | output | 1 | 104,325 | 16 | 208,651 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke lives on an infinite two-dimensional plane. He is going on an N-day trip. At the beginning of Day 1, he is at home. His plan is described in a string S of length N. On Day i(1 ≦ i ≦ N), he will travel a positive distance in the following direct... | instruction | 0 | 104,326 | 16 | 208,652 |
"Correct Solution:
```
S=input()
D={s:False for s in ["N","W","S","E"]}
for s in S:
D[s]=True
if (D["N"]==D["S"]) and (D["W"]==D["E"]):
print("Yes")
else:
print("No")
``` | output | 1 | 104,326 | 16 | 208,653 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke lives on an infinite two-dimensional plane. He is going on an N-day trip. At the beginning of Day 1, he is at home. His plan is described in a string S of length N. On Day i(1 ≦ i ≦ N), he will travel a positive distance in the following direct... | instruction | 0 | 104,327 | 16 | 208,654 |
"Correct Solution:
```
S = input()
Ns = bool(S.count('N'))
Ss = bool(S.count('S'))
Es = bool(S.count('E'))
Ws = bool(S.count('W'))
if (Ns ^ Ss) or (Es ^ Ws): print('No')
else: print('Yes')
``` | output | 1 | 104,327 | 16 | 208,655 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke lives on an infinite two-dimensional plane. He is going on an N-day trip. At the beginning of Day 1, he is at home. His plan is described in a string S of length N. On Day i(1 ≦ i ≦ N), he will travel a positive distance in the following direct... | instruction | 0 | 104,328 | 16 | 208,656 |
"Correct Solution:
```
S = input()
ans = True
if ('S' in S) ^ ('N' in S):
ans = False
if ('W' in S) ^ ('E' in S):
ans = False
if ans:
print('Yes')
else:
print('No')
``` | output | 1 | 104,328 | 16 | 208,657 |
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