message
stringlengths
2
45.8k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
254
108k
cluster
float64
3
3
__index_level_0__
int64
508
217k
Provide tags and a correct Python 3 solution for this coding contest problem. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has been made. The reserve must have a form of a ci...
instruction
0
1,679
3
3,358
Tags: binary search, geometry, ternary search Correct Solution: ``` n , l , r = 0 , -100000000, 1000000000 x , y = [] , [] def cal(mid): mx = 0 for i in range(n): mx = max (mx ,(x[i] - mid) ** 2 / (2 * y[i]) + (y[i] / 2)) return mx; n = int(input()) for i in range(n): a , b = map(int , input().s...
output
1
1,679
3
3,359
Provide tags and a correct Python 3 solution for this coding contest problem. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has been made. The reserve must have a form of a ci...
instruction
0
1,680
3
3,360
Tags: binary search, geometry, ternary search Correct Solution: ``` l , r =-100000000, 1000000000 def check(mid): mx = 0 for i in range(n): x,y = x1[i],y1[i] mx = max (mx ,(x1[i] - mid) ** 2 / (2 * y1[i]) + (y1[i] / 2)) return mx n = int(input()) count1 = 0 count2 = 0 x1 = [] y1 = [] f...
output
1
1,680
3
3,361
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,681
3
3,362
Yes
output
1
1,681
3
3,363
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,682
3
3,364
Yes
output
1
1,682
3
3,365
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,683
3
3,366
Yes
output
1
1,683
3
3,367
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,684
3
3,368
No
output
1
1,684
3
3,369
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,685
3
3,370
No
output
1
1,685
3
3,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,686
3
3,372
No
output
1
1,686
3
3,373
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a forest that we model as a plane and live n rare animals. Animal number i has its lair in the point (x_{i}, y_{i}). In order to protect them, a decision to build a nature reserve has b...
instruction
0
1,687
3
3,374
No
output
1
1,687
3
3,375
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very unusual citizen lives in a far away kingdom β€” Dwarf Gracula. However, his unusual name is not the weirdest thing (besides, everyone long ago got used to calling him simply Dwarf Greg). Wh...
instruction
0
2,219
3
4,438
No
output
1
2,219
3
4,439
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very unusual citizen lives in a far away kingdom β€” Dwarf Gracula. However, his unusual name is not the weirdest thing (besides, everyone long ago got used to calling him simply Dwarf Greg). Wh...
instruction
0
2,220
3
4,440
No
output
1
2,220
3
4,441
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very unusual citizen lives in a far away kingdom β€” Dwarf Gracula. However, his unusual name is not the weirdest thing (besides, everyone long ago got used to calling him simply Dwarf Greg). Wh...
instruction
0
2,221
3
4,442
No
output
1
2,221
3
4,443
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
2,617
3
5,234
Tags: dp Correct Solution: ``` import sys import math INF = -100000000 memo = dict() def func(line, r): if line in memo and r in memo[line]: return memo[line][r] if len(line) == 1: which = line[0] == 'T' if r % 2 == 1: which = not which if which: return ...
output
1
2,617
3
5,235
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A patient has been infected with an unknown disease. His body can be seen as an infinite grid of triangular cells which looks as follows: <image> Two cells are neighboring if they share a side...
instruction
0
2,650
3
5,300
No
output
1
2,650
3
5,301
Provide tags and a correct Python 3 solution for this coding contest problem. Once upon a time in the galaxy of far, far away... Darth Wader found out the location of a rebels' base. Now he is going to destroy the base (and the whole planet that the base is located at), using the Death Star. When the rebels learnt t...
instruction
0
3,051
3
6,102
Tags: geometry Correct Solution: ``` import sys, math def dist(a,b): return pow((a[0] - b[0])**2 + (a[1] - b[1])**2 + (a[2] - b[2])**2,0.5) def vxv(v1,v2): x = -v1[2] * v2[1] + v1[1] * v2[2] y = -v1[0] * v2[2] + v1[2] * v2[0] z = -v1[1] * v2[0] + v1[0] * v2[1] return (x,y,z) readline = sys.stdin.re...
output
1
3,051
3
6,103
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Once upon a time in the galaxy of far, far away... Darth Wader found out the location of a rebels' base. Now he is going to destroy the base (and the whole planet that the base is located at), ...
instruction
0
3,052
3
6,104
No
output
1
3,052
3
6,105
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,416
3
6,832
Yes
output
1
3,416
3
6,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,417
3
6,834
Yes
output
1
3,417
3
6,835
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,418
3
6,836
Yes
output
1
3,418
3
6,837
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,419
3
6,838
Yes
output
1
3,419
3
6,839
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,420
3
6,840
No
output
1
3,420
3
6,841
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,421
3
6,842
No
output
1
3,421
3
6,843
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,422
3
6,844
No
output
1
3,422
3
6,845
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One common way of digitalizing sound is to record sound intensity at particular time moments. For each time moment intensity is recorded as a non-negative integer. Thus we can represent a sound ...
instruction
0
3,423
3
6,846
No
output
1
3,423
3
6,847
Provide tags and a correct Python 3 solution for this coding contest problem. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien has 4k + 1 distinct organs, numbered 1 to 4k + 1....
instruction
0
3,461
3
6,922
Tags: combinatorics, constructive algorithms, math Correct Solution: ``` def flatten(grid): k = len(grid[0]) // 2 seek = list(range(2*k + 2)) + list(range(2*k + 2, 4*k + 2))[::-1] return [seek[v] for v in grid[0] + grid[1][::-1] if v] def solve(grid): grid = list(map(list, grid)) k = len(grid[0]) /...
output
1
3,461
3
6,923
Provide tags and a correct Python 3 solution for this coding contest problem. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien has 4k + 1 distinct organs, numbered 1 to 4k + 1....
instruction
0
3,462
3
6,924
Tags: combinatorics, constructive algorithms, math Correct Solution: ``` def solve(k, grid): seek = *range(2*k + 2), *range(4*k + 1, 2*k + 1, -1) flat = [seek[v] for v in grid[0] + grid[1][::-1] if v] m = { 'L': 'l'*2*k + 'u' + 'r'*2*k + 'd', 'R': 'u' + 'l'*2*k + 'd' + 'r'*2*k, 'C':...
output
1
3,462
3
6,925
Provide tags and a correct Python 3 solution for this coding contest problem. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien has 4k + 1 distinct organs, numbered 1 to 4k + 1....
instruction
0
3,463
3
6,926
Tags: combinatorics, constructive algorithms, math Correct Solution: ``` def solve(kk,grid): sk = *range(kk * 2 + 2),*range(4 * kk + 1,2 * kk + 1,-1) flat = [sk[v] for v in grid[0] + grid[1][::-1] if v] dir = { 'L': 'l' * 2 * kk + 'u' + 'r' * 2 * kk + 'd', 'R': 'u' + 'l' * 2 * kk + 'd' + 'r'...
output
1
3,463
3
6,927
Provide tags and a correct Python 3 solution for this coding contest problem. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien has 4k + 1 distinct organs, numbered 1 to 4k + 1....
instruction
0
3,464
3
6,928
Tags: combinatorics, constructive algorithms, math Correct Solution: ``` import sys OP_CW1 = 'A' OP_CW4 = 'B' OP_CW16 = 'C' OP_CCW = 'E' OP_L = 'U' OP_INV_L = 'V' OP_R = 'W' OP_INV_R = 'X' OP_S = 'S' OP_MOVE_LL1 = 'O' OP_MOVE_LL4 = 'P' OP_MOVE_LL16 = 'Q' OP_MOVE_L_THROW = 'R' def GetK(board): return len(board) // 4 ...
output
1
3,464
3
6,929
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien ha...
instruction
0
3,465
3
6,930
No
output
1
3,465
3
6,931
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are an intergalactic surgeon and you have an alien patient. For the purposes of this problem, we can and we will model this patient's body using a 2 Γ— (2k + 1) rectangular grid. The alien ha...
instruction
0
3,466
3
6,932
No
output
1
3,466
3
6,933
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,573
3
7,146
Yes
output
1
3,573
3
7,147
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,574
3
7,148
Yes
output
1
3,574
3
7,149
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,575
3
7,150
Yes
output
1
3,575
3
7,151
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,576
3
7,152
Yes
output
1
3,576
3
7,153
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,577
3
7,154
No
output
1
3,577
3
7,155
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,578
3
7,156
No
output
1
3,578
3
7,157
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,579
3
7,158
No
output
1
3,579
3
7,159
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the snake exhibition, there are n rooms (numbered 0 to n - 1) arranged in a circle, with a snake in each room. The rooms are connected by n conveyor belts, and the i-th conveyor belt connects...
instruction
0
3,580
3
7,160
No
output
1
3,580
3
7,161
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Golorps are mysterious creatures who feed on variables. Golorp's name is a program in some programming language. Some scientists believe that this language is Befunge; golorps are tantalizingly ...
instruction
0
3,733
3
7,466
No
output
1
3,733
3
7,467
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,319
3
8,638
Tags: dp Correct Solution: ``` s = input() n = int(input()) t = [j for j, q in enumerate(s) if q == 'T'] l, r = [0] * 101, [0] * 101 for i, (a, b) in enumerate(zip([-1] + t, t + [len(s)])): v = b - a u = v - 1 for k in range(i, 0, -1): l[k] = max(l[k] + u, l[k - 1] + v) r[k] = max(r[k] - ...
output
1
4,319
3
8,639
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,320
3
8,640
Tags: dp Correct Solution: ``` import sys import math INF = -100000000 memo = dict() def func(line, r): if line in memo and r in memo[line]: return memo[line][r] if len(line) == 1: which = line[0] == 'T' if r % 2 == 1: which = not which if which: return ...
output
1
4,320
3
8,641
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,321
3
8,642
Tags: dp Correct Solution: ``` # by the authority of GOD author: manhar singh sachdev # import os,sys from io import BytesIO, IOBase from math import inf def main(): s = input().strip() n = int(input()) dp = [[[-inf,-inf] for _ in range(n+1)]for _ in range(len(s))] x = int(s[0]!='F') for i in ...
output
1
4,321
3
8,643
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,322
3
8,644
Tags: dp Correct Solution: ``` from sys import stdin s=stdin.readline().strip() k=int(stdin.readline().strip()) n=len(s) dp=[[[[ None for tt in range(2)]for i in range(2)] for j in range(k+1)] for k1 in range(n)] dp1=[[[[ None for tt in range(2)]for i in range(2)] for j in range(k+1)] for k1 in range(n)] def sol(i,j,t...
output
1
4,322
3
8,645
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,323
3
8,646
Tags: dp Correct Solution: ``` s = input() n = int(input()) l, r = [-1e9] * 101, [-1e9] * 101 l[0] = r[0] = 0 for q in s: for j in range(n, -1, -1): x = max(r[j], l[j - 1] + 1) if q == 'T' else max(l[j] + 1, r[j - 1]) y = max(l[j], r[j - 1] + 1) if q == 'T' else max(r[j] - 1, l[j - 1]) ...
output
1
4,323
3
8,647
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,324
3
8,648
Tags: dp Correct Solution: ``` from sys import stdin s=stdin.readline().strip() k=int(stdin.readline().strip()) n=len(s) dp=[[[[[ None for ty in range(2)]for tt in range(2)]for i in range(2)] for j in range(k+1)] for k1 in range(n)] def minn(a,b): if a<b: return a return b def maxx(a,b): if a>b: ...
output
1
4,324
3
8,649
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,325
3
8,650
Tags: dp Correct Solution: ``` from sys import stdin s=stdin.readline().strip() k=int(stdin.readline().strip()) n=len(s) dp=[[[[[ None for ty in range(2)]for tt in range(2)]for i in range(2)] for j in range(k+1)] for k1 in range(n)] def sol(i,j,t,c,mt): if i==n: if j!=0: if mt: r...
output
1
4,325
3
8,651
Provide tags and a correct Python 3 solution for this coding contest problem. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit forward"). You are given a list of commands that ...
instruction
0
4,326
3
8,652
Tags: dp Correct Solution: ``` s = input() n = int(input()) t = [j for j, q in enumerate(s) if q == 'T'] l, r = [0] * 101, [0] * 101 for i, (a, b) in enumerate(zip([-1] + t, t + [len(s)])): v = b - a u = v - 1 if i: l[i] = l[i - 1] + v else: u, v = -u, -v r[i + 1] = l[i] - 1 ...
output
1
4,326
3
8,653
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit for...
instruction
0
4,327
3
8,654
Yes
output
1
4,327
3
8,655
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit for...
instruction
0
4,328
3
8,656
Yes
output
1
4,328
3
8,657
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and accepts commands "T" ("turn around") and "F" ("move 1 unit for...
instruction
0
4,329
3
8,658
Yes
output
1
4,329
3
8,659