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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,421
3
86,842
Yes
output
1
43,421
3
86,843
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,422
3
86,844
Yes
output
1
43,422
3
86,845
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,423
3
86,846
Yes
output
1
43,423
3
86,847
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,424
3
86,848
No
output
1
43,424
3
86,849
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,425
3
86,850
No
output
1
43,425
3
86,851
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,426
3
86,852
No
output
1
43,426
3
86,853
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly approached equilibrium. A good way to determine the equilibrium intensity wou...
instruction
0
43,427
3
86,854
No
output
1
43,427
3
86,855
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,473
3
86,946
Tags: greedy, implementation, math Correct Solution: ``` def compare(x): return abs(x) a = [] n, m = map(int, input().split()) for i in range(m): x = list(map(int, input().split())) x = x[1:] a.append(x) for i in range(0, len(a)): a[i].sort(key=compare) for i in a: x = i[0] cnt = 0 for j in i[1:]: if x + j ...
output
1
43,473
3
86,947
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,474
3
86,948
Tags: greedy, implementation, math Correct Solution: ``` # Description of the problem can be found at http://codeforces.com/contest/787/problem/B n, m = map(int, input().split()) l_g = list(list(map(int, input().split())) for i in range(m)) for g in l_g: s = set() b = False for i in range(1, len(g)):...
output
1
43,474
3
86,949
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,475
3
86,950
Tags: greedy, implementation, math Correct Solution: ``` from collections import Counter R = lambda: map(int, input().rstrip().split()) n, m = R() mat = [] for _ in range(m): mat.append(list(R())) for x in mat: c = Counter(x[1:x[0] + 1]) flag = 0 for y in c: if c[y] > 0 and c[-y] > 0: ...
output
1
43,475
3
86,951
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,476
3
86,952
Tags: greedy, implementation, math Correct Solution: ``` def notafraid(list1): x=0 del list1[0] for i in list1: if "-"+i in list1: x=1 break if x==0: print("YES") quit() x=0 a,b=input().split() b=int(b) for k in range(b): notafraid(input().split()) print("NO") ```
output
1
43,476
3
86,953
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,477
3
86,954
Tags: greedy, implementation, math Correct Solution: ``` def test(l): l1=[] l2=[] for i in range(len(l)): if l[i]<0 and l[i] not in l2: l2.append(l[i]) elif l[i]>0 and l[i] not in l1: l1.append(l[i]) if len(l1)==0 or len(l2)==0: return False for x in l...
output
1
43,477
3
86,955
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,478
3
86,956
Tags: greedy, implementation, math Correct Solution: ``` n, m = map(int,input().split()) for i in range(m): a, *b = map(int,input().split()) b = set(b) for j in b: if -j in b: break else: print("YES") break else: print("NO") ```
output
1
43,478
3
86,957
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,479
3
86,958
Tags: greedy, implementation, math Correct Solution: ``` n,m = map(int,input().split()) isDanger = False for i in range(m): if isDanger: break isDanger = True l=input().split() k=int(l.pop(0)) s=set() for no in l: no=int(no) if -no in s: isDanger = False break s.add(no) if isDan...
output
1
43,479
3
86,959
Provide tags and a correct Python 3 solution for this coding contest problem. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. There are n parallel universes participating in th...
instruction
0
43,480
3
86,960
Tags: greedy, implementation, math Correct Solution: ``` n,k=map(int,input().split()) f=1 for i in range(k): l=[int(i) for i in input().split()] l=l[1:] f=0 for i in l: if -i in l: f=1 if not f: print('YES') exit() print('NO') ```
output
1
43,480
3
86,961
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,481
3
86,962
Yes
output
1
43,481
3
86,963
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,482
3
86,964
Yes
output
1
43,482
3
86,965
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,483
3
86,966
Yes
output
1
43,483
3
86,967
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,484
3
86,968
Yes
output
1
43,484
3
86,969
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,485
3
86,970
No
output
1
43,485
3
86,971
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,486
3
86,972
No
output
1
43,486
3
86,973
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,487
3
86,974
No
output
1
43,487
3
86,975
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Since the giant heads have appeared in the sky all humanity is in danger, so all Ricks and Mortys from all parallel universes are gathering in groups to find a solution to get rid of them. The...
instruction
0
43,488
3
86,976
No
output
1
43,488
3
86,977
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,494
3
86,988
Tags: binary search, greedy, two pointers Correct Solution: ``` nE, U = [int(x) for x in input().split(" ")] energies = [int(x) for x in input().split(" ")] end = 0 best_ratio = -1 for beg in range(nE-2): while(end+1 < nE and energies[end+1] - energies[beg] <= U): end += 1 if end - beg < 2: cont...
output
1
43,494
3
86,989
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,495
3
86,990
Tags: binary search, greedy, two pointers Correct Solution: ``` import sys n,u = [int(x) for x in input().split(' ')] a = [int(x) for x in input().split(' ')] b = [0]*n j = 1 for i in range(n): while j<n and a[j]-a[i]<=u: j+=1 b[i]=j-i-1 ans=-1.0 for i in range(n): if b[i]>1: ans=max(ans,(a[...
output
1
43,495
3
86,991
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,496
3
86,992
Tags: binary search, greedy, two pointers Correct Solution: ``` import math import sys from collections import deque from fractions import Fraction # ------------------------------warmup---------------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines ...
output
1
43,496
3
86,993
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,497
3
86,994
Tags: binary search, greedy, two pointers Correct Solution: ``` n, U = list(map(int , input().split())) E = list(map(int , input().split())) E.append(10**20) E.append(10**20) E.append(10**20) start = 0 finish = 1 res = -1 while start < n-2: while (E[finish] - E[start] >U) and start < n - 2 : start += 1 ...
output
1
43,497
3
86,995
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,498
3
86,996
Tags: binary search, greedy, two pointers Correct Solution: ``` n,u = map(int , input().split()) e = list(map(int , input().split())) e = sorted(e) r = 1 ans = -1 for i in range(n-2): k = e[i+1] - e[i] while r < n and e[r] - e[i] <= u: r+=1 pr = r-1 if pr - i>= 2: ans = max(ans, (e[pr] -...
output
1
43,498
3
86,997
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,499
3
86,998
Tags: binary search, greedy, two pointers Correct Solution: ``` import sys string = sys.stdin.readline() n = int(string.split()[0]) u = int(string.split()[1]) levels = tuple(map(int, sys.stdin.readline().split())) if len(levels) < 3: sys.stdout.write('-1') exit(0) i, j, k = 0, 1, 2 indices = (0, 1, 2) level_i...
output
1
43,499
3
86,999
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,500
3
87,000
Tags: binary search, greedy, two pointers Correct Solution: ``` n,u = map(int,input().split()) a = list(map(int,input().split())) i = 0 j = 1 f = 1 ma = -1 while not((i==j) and (i==n-1)): if j<=i: j+=1 if j < n-1: if a[j+1]-a[i] <= u: j+=1 else: if j-i >= 2: ...
output
1
43,500
3
87,001
Provide tags and a correct Python 3 solution for this coding contest problem. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description of the scheme. Three distinct states i, j and...
instruction
0
43,501
3
87,002
Tags: binary search, greedy, two pointers Correct Solution: ``` def sss(l,r,tt): f = -1 while(l<=r): mid = (l + r) >> 1 if(a[mid]-a[tt] <= m): f = mid l = mid + 1 else : r = mid - 1 return f n , m = map(int, input().split()) a = [int(x) for x in inp...
output
1
43,501
3
87,003
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,502
3
87,004
Yes
output
1
43,502
3
87,005
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,503
3
87,006
Yes
output
1
43,503
3
87,007
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,504
3
87,008
Yes
output
1
43,504
3
87,009
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,505
3
87,010
Yes
output
1
43,505
3
87,011
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,506
3
87,012
No
output
1
43,506
3
87,013
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,507
3
87,014
No
output
1
43,507
3
87,015
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,508
3
87,016
No
output
1
43,508
3
87,017
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. An atom of element X can exist in n distinct states with energies E1 < E2 < ... < En. Arkady wants to build a laser on this element, using a three-level scheme. Here is a simplified description ...
instruction
0
43,509
3
87,018
No
output
1
43,509
3
87,019
Provide a correct Python 3 solution for this coding contest problem. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500 trillion participants. The challenge you are currently...
instruction
0
43,762
3
87,524
"Correct Solution: ``` from heapq import heappop, heappush import sys sys.setrecursionlimit(1000000) INF = 10 ** 20 def bfs(x): if visited[x] == 2: return None if visited[x] == 1: return edges[x] if plst[x] == 0: edges[x] = x visited[x] = 1 return x visited[x] = 2 ret = bfs(x + plst[x]) ...
output
1
43,762
3
87,525
Provide a correct Python 3 solution for this coding contest problem. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500 trillion participants. The challenge you are currently...
instruction
0
43,763
3
87,526
"Correct Solution: ``` # -*- coding: utf-8 -*- """ 0-1 BFS """ from collections import deque N = int(input()) INF = 10**9 A = [int(input()) for _ in range(N)] + [0]*6 B = [INF]*(N+6) B[0] = 0 Q = deque([[0, 0]]) while Q: x, y = Q.popleft() if x >= N-1: print(y) break if B[x] < y: ...
output
1
43,763
3
87,527
Provide a correct Python 3 solution for this coding contest problem. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500 trillion participants. The challenge you are currently...
instruction
0
43,764
3
87,528
"Correct Solution: ``` import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**10 mod = 10**9+7 dd = [(-1,0),(0,1),(1,0),(0,-1)] ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)] def LI(): return [int...
output
1
43,764
3
87,529
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500...
instruction
0
43,765
3
87,530
No
output
1
43,765
3
87,531
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500...
instruction
0
43,766
3
87,532
No
output
1
43,766
3
87,533
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. All space-time unified dimension sugoroku tournament. You are representing the Earth in the 21st century in the tournament, which decides only one Sugoroku absolute champion out of more than 500...
instruction
0
43,767
3
87,534
No
output
1
43,767
3
87,535
Provide a correct Python 3 solution for this coding contest problem. A robot, a wall, and a goal are installed on the board, and a program that describes the behavior pattern of the robot is given. The given program is represented by the following EBNF. Program: = {statement}; Statement: = if statement | while stat...
instruction
0
43,768
3
87,536
"Correct Solution: ``` def main(): H, W = map(int, input().split()) MP = [input() for i in range(H)] for i in range(H): mi = MP[i] for j in range(W): c = mi[j] if c == 's': sx = j; sy = i elif c == 'g': gx = j; gy = i S ...
output
1
43,768
3
87,537
Provide a correct Python 3 solution for this coding contest problem. problem A mysterious $ X $ [cm] plant grows in one place. This plant has the following mysterious properties. * Say "nobiro" to this plant and it will grow $ A $ [cm]. * Say "tidime" to this plant and it will grow $ B $ [cm]. * If you say "karero" ...
instruction
0
43,776
3
87,552
"Correct Solution: ``` def inpl(): return list(map(int, input().split())) X, A, B = inpl() for _ in range(int(input())): S = input() if S == "karero": X = 0 else: X = max(0, X + [A, B][S == "tidime"]) print(X) ```
output
1
43,776
3
87,553
Provide a correct Python 3 solution for this coding contest problem. problem A mysterious $ X $ [cm] plant grows in one place. This plant has the following mysterious properties. * Say "nobiro" to this plant and it will grow $ A $ [cm]. * Say "tidime" to this plant and it will grow $ B $ [cm]. * If you say "karero" ...
instruction
0
43,777
3
87,554
"Correct Solution: ``` x, a, b = map(int, input().split()) n = int(input()) for i in range(n) : s = input() if s == 'nobiro' : x += a if x < 0 : x = 0 elif s == 'tidime' : x += b if x < 0 : x = 0 else : x = 0 print(x) ```
output
1
43,777
3
87,555
Provide a correct Python 3 solution for this coding contest problem. problem A mysterious $ X $ [cm] plant grows in one place. This plant has the following mysterious properties. * Say "nobiro" to this plant and it will grow $ A $ [cm]. * Say "tidime" to this plant and it will grow $ B $ [cm]. * If you say "karero" ...
instruction
0
43,779
3
87,558
"Correct Solution: ``` x, a, b =map(int, input().split()) n = int(input()) voice = [input() for _ in range(n)] for i in voice: if i == "nobiro": x += a elif i == "tidime": x += b elif i == "karero": x = 0 if x < 0: x = 0 print(x) ```
output
1
43,779
3
87,559
Provide a correct Python 3 solution for this coding contest problem. problem A mysterious $ X $ [cm] plant grows in one place. This plant has the following mysterious properties. * Say "nobiro" to this plant and it will grow $ A $ [cm]. * Say "tidime" to this plant and it will grow $ B $ [cm]. * If you say "karero" ...
instruction
0
43,780
3
87,560
"Correct Solution: ``` X,A,B = map(int,input().split()) N = int(input()) for i in range(N): word = input() if word == "nobiro": X = X + A elif word == "tidime": X = X + B elif word == "karero": X = 0 if X < 0: X = 0 print(X) ```
output
1
43,780
3
87,561