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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. These days Arkady works as an air traffic controller at a large airport. He controls a runway which is usually used for landings only. Thus, he has a schedule of planes that are landing in the n...
instruction
0
64,565
4
129,130
No
output
1
64,565
4
129,131
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. These days Arkady works as an air traffic controller at a large airport. He controls a runway which is usually used for landings only. Thus, he has a schedule of planes that are landing in the n...
instruction
0
64,566
4
129,132
No
output
1
64,566
4
129,133
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. These days Arkady works as an air traffic controller at a large airport. He controls a runway which is usually used for landings only. Thus, he has a schedule of planes that are landing in the n...
instruction
0
64,567
4
129,134
No
output
1
64,567
4
129,135
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,674
4
129,348
"Correct Solution: ``` from fractions import gcd N = int(input()) ts = [int(input()) for i in range(N)] lcm = 1 for t in ts: lcm = lcm * t // gcd(lcm,t) print(lcm) ```
output
1
64,674
4
129,349
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,675
4
129,350
"Correct Solution: ``` from fractions import gcd N = int(input()) T = [int(input()) for i in range(N)] l = 1 for t in T: l = l * t // gcd(l,t) print(l) ```
output
1
64,675
4
129,351
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,676
4
129,352
"Correct Solution: ``` def gcd(a,b): if b==0:return a return gcd(b,a%b) ans=1 for i in range(int(input())): h=int(input()) ans = ans*h // gcd(ans,h) print(ans) ```
output
1
64,676
4
129,353
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,677
4
129,354
"Correct Solution: ``` from math import gcd n=int(input()) t=[int(input())for i in range(n)] ans=1 for i in t:ans*=i//(gcd(ans,i)) print(ans) ```
output
1
64,677
4
129,355
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,678
4
129,356
"Correct Solution: ``` #from math import gcd from fractions import gcd n=int(input()) res=1 for _ in range(n): x=int(input()) res=res//gcd(res,x)*x print(res) ```
output
1
64,678
4
129,357
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,679
4
129,358
"Correct Solution: ``` from math import gcd n = int(input()) ans = int(input()) for _ in range(n - 1): x = int(input()) ans = (ans * x) // gcd(ans, x) print(ans) ```
output
1
64,679
4
129,359
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,680
4
129,360
"Correct Solution: ``` from math import* N=int(input()) ans=int(input()) for _ in range(N-1): t=int(input()) ans=ans*t//gcd(ans,t) print(ans) ```
output
1
64,680
4
129,361
Provide a correct Python 3 solution for this coding contest problem. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts all the clocks simultaneously. In how many seconds will t...
instruction
0
64,681
4
129,362
"Correct Solution: ``` import math n=int(input()) t=[int(input()) for i in range(n)] res=t[0] for i in range(1,n): res=res*t[i]//math.gcd(res,t[i]) print(res) ```
output
1
64,681
4
129,363
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,682
4
129,364
Yes
output
1
64,682
4
129,365
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,683
4
129,366
Yes
output
1
64,683
4
129,367
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,684
4
129,368
Yes
output
1
64,684
4
129,369
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,685
4
129,370
Yes
output
1
64,685
4
129,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,686
4
129,372
No
output
1
64,686
4
129,373
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,687
4
129,374
No
output
1
64,687
4
129,375
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,688
4
129,376
No
output
1
64,688
4
129,377
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have N clocks. The hand of the i-th clock (1≤i≤N) rotates through 360° in exactly T_i seconds. Initially, the hand of every clock stands still, pointing directly upward. Now, Dolphin starts a...
instruction
0
64,689
4
129,378
No
output
1
64,689
4
129,379
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya is going to the Olympics in the city Ntown by train. The boy wants to read the textbook to prepare for the Olympics. He counted that he needed k hours for this. He also found that the ligh...
instruction
0
65,867
4
131,734
No
output
1
65,867
4
131,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya is going to the Olympics in the city Ntown by train. The boy wants to read the textbook to prepare for the Olympics. He counted that he needed k hours for this. He also found that the ligh...
instruction
0
65,868
4
131,736
No
output
1
65,868
4
131,737
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya is going to the Olympics in the city Ntown by train. The boy wants to read the textbook to prepare for the Olympics. He counted that he needed k hours for this. He also found that the ligh...
instruction
0
65,869
4
131,738
No
output
1
65,869
4
131,739
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya is going to the Olympics in the city Ntown by train. The boy wants to read the textbook to prepare for the Olympics. He counted that he needed k hours for this. He also found that the ligh...
instruction
0
65,870
4
131,740
No
output
1
65,870
4
131,741
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,049
4
132,098
Tags: brute force, combinatorics, dp, math Correct Solution: ``` from itertools import permutations n, m = tuple(map(int, input().split())) def baseN(num,b,numerals="0123456789abcdefghijklmnopqrstuvwxyz"): return ((num == 0) and numerals[0]) or (baseN(num // b, b, numerals).lstrip(numerals[0]) + numerals[n...
output
1
66,049
4
132,099
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,050
4
132,100
Tags: brute force, combinatorics, dp, math Correct Solution: ``` import math from itertools import permutations from itertools import product a=input().split() n=int(a[0]) m=int(a[1]) def log(x, y): if x<1: return 0 else: return math.log(x, y) n1=math.floor(log(n-1, 7))+1 m1=math.floor(log(m-1, 7))+1 if n1+m1>7: p...
output
1
66,050
4
132,101
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,051
4
132,102
Tags: brute force, combinatorics, dp, math Correct Solution: ``` from collections import defaultdict, deque, Counter from sys import stdin, stdout from heapq import heappush, heappop import math import io import os import math import bisect #?############################################################ def isPrime(x...
output
1
66,051
4
132,103
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,052
4
132,104
Tags: brute force, combinatorics, dp, math Correct Solution: ``` BASE = 7 class Solution(object): def __init__(self,m,n): self.max_hour = self.itov(n) self.max_min = self.itov(m) self.used = used = [False] * BASE def itov(self,x): digits = [] if x == 0: ...
output
1
66,052
4
132,105
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,053
4
132,106
Tags: brute force, combinatorics, dp, math Correct Solution: ``` n, m = [int(x) for x in input().split()] x = 7 d1 = 1 while x<n: d1 += 1 x *= 7 x = 7 d2 = 1 while x<m: d2 += 1 x *= 7 if d1 + d2 > 7: print(0) exit() c1 = {} L = [0]*d1 L[0] = -1 for sadas in range(n): L[0] += 1 fo...
output
1
66,053
4
132,107
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,054
4
132,108
Tags: brute force, combinatorics, dp, math Correct Solution: ``` from itertools import permutations from math import ceil, log n, m = t = list(map(int, input().split())) l, _ = t = [ceil(log(x, 7.)) if x > 1 else 1 for x in t] print(sum(int(s[:l], 7) < n and int(s[l:], 7) < m for s in map(''.join, permutations("012345...
output
1
66,054
4
132,109
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,055
4
132,110
Tags: brute force, combinatorics, dp, math Correct Solution: ``` a,b = map(int,input().split()) def getdig(x): if(x==0): return 0,1 s = '' c = 0 while x>0: s = str(x%7)+s c += 1 x //= 7 return int(s), c ass,an = getdig(a-1) bss,bn = getdig(b-1) tn = an+bn if(tn>7): ...
output
1
66,055
4
132,111
Provide tags and a correct Python 3 solution for this coding contest problem. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know that kingdom police is bad at math, robbers use t...
instruction
0
66,056
4
132,112
Tags: brute force, combinatorics, dp, math Correct Solution: ``` from itertools import permutations n, m = map(int, input().split()) def l(x): r = x == 0 while x: r += 1 x //= 7 return r ans, ln, lm = 0, l(n - 1), l(m - 1) for s in permutations('0123456', ln + lm): s = ''.join(s) ...
output
1
66,056
4
132,113
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,057
4
132,114
Yes
output
1
66,057
4
132,115
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,058
4
132,116
Yes
output
1
66,058
4
132,117
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,059
4
132,118
Yes
output
1
66,059
4
132,119
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,060
4
132,120
Yes
output
1
66,060
4
132,121
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,061
4
132,122
No
output
1
66,061
4
132,123
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,062
4
132,124
No
output
1
66,062
4
132,125
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,063
4
132,126
No
output
1
66,063
4
132,127
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Robbers, who attacked the Gerda's cab, are very successful in covering from the kingdom police. To make the goal of catching them even harder, they use their own watches. First, as they know th...
instruction
0
66,064
4
132,128
No
output
1
66,064
4
132,129
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,130
4
132,260
Tags: implementation Correct Solution: ``` n = int(input()) a = input() inS = 0 inF = 0 for i in range(n-1): if a[i] == 'S' and a[i+1] == 'F': inF += 1 elif a[i] == 'F' and a[i+1] == 'S': inS += 1 if inF > inS: print('YES') else: print('NO') ```
output
1
66,130
4
132,261
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,132
4
132,264
Tags: implementation Correct Solution: ``` n=int(input()) x=input() c=0 d=0 for i in range(0,n-1): if x[i]=='S' and x[i+1]=='F': c=c+1 elif x[i]=='F' and x[i+1]=='S': d=d+1 else: i=i+1 if c>d: print("Yes") else: print("No") ```
output
1
66,132
4
132,265
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,133
4
132,266
Tags: implementation Correct Solution: ``` n = int(input()) string = input() prev = string[0] StoF = 0 FtoS = 0 for i in range(1,len(string)): if string[i] != prev: if prev == "S": StoF += 1 else: FtoS += 1 prev = string[i] if StoF > FtoS: print("YES") else: pri...
output
1
66,133
4
132,267
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,134
4
132,268
Tags: implementation Correct Solution: ``` if __name__ == "__main__": n = int(input()) st = input() prev = st[0] more, less = 0, 0 for i in range(1, n): if prev == "S" and st[i] == "F": more += 1 elif prev == "F" and st[i] == "S": less += 1 prev = st[i...
output
1
66,134
4
132,269
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,135
4
132,270
Tags: implementation Correct Solution: ``` n=int(input()) s=input() for i in range(n): if s[0]=="S" and s[n-1:n]=="F": print("YES") break elif s[0]=="F" or (s[0]=="S" and s[n-1:n]=="S"): print("NO") break ```
output
1
66,135
4
132,271
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,136
4
132,272
Tags: implementation Correct Solution: ``` a,b = int(input()),input() print('YES' if b.count('SF')> b.count('FS') else 'NO') ```
output
1
66,136
4
132,273
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,137
4
132,274
Tags: implementation Correct Solution: ``` n = int(input()) string = input() a = 0 b = 0 for i in range(n - 1): if string[i] != string[i + 1]: if string[i] == "S": a += 1 else: b += 1 if a > b: print("YES") else: print("NO") ```
output
1
66,137
4
132,275
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from ...
instruction
0
66,138
4
132,276
Yes
output
1
66,138
4
132,277
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from ...
instruction
0
66,139
4
132,278
Yes
output
1
66,139
4
132,279
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from ...
instruction
0
66,140
4
132,280
Yes
output
1
66,140
4
132,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from ...
instruction
0
66,141
4
132,282
Yes
output
1
66,141
4
132,283