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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,231
7
198,462
Yes
output
1
99,231
7
198,463
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,232
7
198,464
Yes
output
1
99,232
7
198,465
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,233
7
198,466
Yes
output
1
99,233
7
198,467
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,234
7
198,468
Yes
output
1
99,234
7
198,469
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,235
7
198,470
No
output
1
99,235
7
198,471
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,236
7
198,472
No
output
1
99,236
7
198,473
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,237
7
198,474
No
output
1
99,237
7
198,475
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one. <image> You can remove a link or a pearl and insert it between ...
instruction
0
99,238
7
198,476
No
output
1
99,238
7
198,477
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,594
7
199,188
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import math def f(n): c=[] d=[] i = 1 while i <= math.sqrt(n): if (n % i == 0): if (n // i == i): c.append(i) else: c.append(i) d.a...
output
1
99,594
7
199,189
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,595
7
199,190
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` def binary_search(item,start,end,l): if (start>end): return max(end,0) if (start>len(l)-1): return (len(l)-1) mid=(start+end)//2 if l[mid]>item: return binary_search(item,start,mid-1,l) ...
output
1
99,595
7
199,191
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,596
7
199,192
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` letters = 26 for t in range(int(input())): n, k = map(int, input().split(' ')) s = input() counts = [0] * (letters + 1) for c in s: counts[ord(c) - ord('a')] += 1 counts.sort(reverse=True) zeroi ...
output
1
99,596
7
199,193
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,597
7
199,194
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import sys input = sys.stdin.readline import math import copy import bisect import collections from collections import deque import heapq from collections import defaultdict t = int(input()) for f in range(t): n,k = map(int...
output
1
99,597
7
199,195
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,598
7
199,196
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import os ### START FAST IO ### inp = os.read(0, int(1e7)).split() inp_pos = -1 def cin(): global inp_pos inp_pos += 1 return inp[inp_pos] # cout: os.write(1, "\n".encode().join(res)) #### END FAST IO #### from iter...
output
1
99,598
7
199,197
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,599
7
199,198
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import atexit import io import sys import math from collections import defaultdict,Counter # _INPUT_LINES = sys.stdin.read().splitlines() # input = iter(_INPUT_LINES).__next__ # _OUTPUT_BUFFER = io.StringIO() # sys.stdout = _OU...
output
1
99,599
7
199,199
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,600
7
199,200
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import sys from collections import defaultdict as dd from collections import deque from fractions import Fraction as f def eprint(*args): print(*args, file=sys.stderr) zz=1 from math import * import copy #sys.setrecursionlim...
output
1
99,600
7
199,201
Provide tags and a correct Python 3 solution for this coding contest problem. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is a set of beads connected in a circle. For exam...
instruction
0
99,601
7
199,202
Tags: brute force, dfs and similar, dp, graphs, greedy, number theory Correct Solution: ``` import sys input = sys.stdin.readline from math import gcd t=int(input()) for tests in range(t): n,k=map(int,input().split()) S=input().strip() LIST=[0]*26 for s in S: LIST[ord(s)-97]+=1 for x in r...
output
1
99,601
7
199,203
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,602
7
199,204
Yes
output
1
99,602
7
199,205
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,603
7
199,206
Yes
output
1
99,603
7
199,207
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,604
7
199,208
Yes
output
1
99,604
7
199,209
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,605
7
199,210
Yes
output
1
99,605
7
199,211
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,606
7
199,212
No
output
1
99,606
7
199,213
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,607
7
199,214
No
output
1
99,607
7
199,215
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,608
7
199,216
No
output
1
99,608
7
199,217
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The store sells n beads. The color of each bead is described by a lowercase letter of the English alphabet ("a"–"z"). You want to buy some beads to assemble a necklace from them. A necklace is ...
instruction
0
99,609
7
199,218
No
output
1
99,609
7
199,219
Provide tags and a correct Python 3 solution for this coding contest problem. There is a grid with n rows and m columns. Every cell of the grid should be colored either blue or yellow. A coloring of the grid is called stupid if every row has exactly one segment of blue cells and every column has exactly one segment o...
instruction
0
99,678
7
199,356
Tags: combinatorics, dp, math Correct Solution: ``` M=998244353;N=4042 try: import __pypy__ int_add=__pypy__.intop.int_add int_sub=__pypy__.intop.int_sub int_mul=__pypy__.intop.int_mul def make_mod_mul(mod=M): fmod_inv=1.0/mod def mod_mul(a,b,c=0): res=int_sub( ...
output
1
99,678
7
199,357
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Once at New Year Dima had a dream in which he was presented a fairy garland. A garland is a set of lamps, some pairs of which are connected by wires. Dima remembered that each two lamps in the g...
instruction
0
99,957
7
199,914
No
output
1
99,957
7
199,915
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Once at New Year Dima had a dream in which he was presented a fairy garland. A garland is a set of lamps, some pairs of which are connected by wires. Dima remembered that each two lamps in the g...
instruction
0
99,958
7
199,916
No
output
1
99,958
7
199,917
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Once at New Year Dima had a dream in which he was presented a fairy garland. A garland is a set of lamps, some pairs of which are connected by wires. Dima remembered that each two lamps in the g...
instruction
0
99,959
7
199,918
No
output
1
99,959
7
199,919
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Once at New Year Dima had a dream in which he was presented a fairy garland. A garland is a set of lamps, some pairs of which are connected by wires. Dima remembered that each two lamps in the g...
instruction
0
99,960
7
199,920
No
output
1
99,960
7
199,921
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,045
7
200,090
Tags: greedy, implementation Correct Solution: ``` import sys n,m = [int(x) for x in input().split(' ')] a=[] for i in range(n): b=[] s = input().strip() for j in range(m): if s[j]=='#': b.append(j) if b not in a: a.append(b) c=[0]*m ans=True #print(a) for i in a: for j i...
output
1
100,045
7
200,091
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,046
7
200,092
Tags: greedy, implementation Correct Solution: ``` par = input() par = list(map(int, par.split())) n, m = par[0], par[1] mat = [] for i in range(n): row = list(input()) mat.append(row) def posColor(n, m, mt): for i in range(n): for j in range(m): if mt[i][j] == '#': ...
output
1
100,046
7
200,093
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,047
7
200,094
Tags: greedy, implementation Correct Solution: ``` from collections import defaultdict r,c=map(int,input().split()) h=defaultdict(list) flg=[] for i in range(r): st=input() st=str(st) y=[] for j in range(c): if st[j]=='#': y.append(j) if y in list(h.values()): flg.append(...
output
1
100,047
7
200,095
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,048
7
200,096
Tags: greedy, implementation Correct Solution: ``` N, M = map(int, input().split()) grid = [] for _ in range(N): grid.append(input()) S = [set() for _ in range(N)] for i in range(N): for j in range(M): if grid[i][j] == "#": S[i].add(j) solved = [False for _ in range(N)] used = [False for ...
output
1
100,048
7
200,097
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,049
7
200,098
Tags: greedy, implementation Correct Solution: ``` used =[] a = [] def dfs(v, c): vert = v + 100*c if used[vert] == 0: used[vert] = 1 a[c].append(v) for i in range(0, len(g[vert])): if used[g[vert][i]] == 0: dfs(g[vert][i] - (1-c)*100, 1-c) ...
output
1
100,049
7
200,099
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,050
7
200,100
Tags: greedy, implementation Correct Solution: ``` n, m = map(int, input().split()) x = [] for i in range(n): q = [] y = input() for j in y: q.append(j) x.append(q) ind = True for i in range(n): for j in range(m): if x[i][j] == "#": for k in range(i + 1, n): if x[k][j] == "#" and x[k] != x[i]: ind...
output
1
100,050
7
200,101
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,051
7
200,102
Tags: greedy, implementation Correct Solution: ``` def partial_match(r1, r2): n = len(r1) match_found = False mismatch_found = False for i in range(n): if r1[i] == '#' and r2[i] == '#': match_found = True if r1[i] == '#' and r2[i] == '.': mismatch_found = True ...
output
1
100,051
7
200,103
Provide tags and a correct Python 3 solution for this coding contest problem. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows Ri and a non-empty subset of columns Ci are chos...
instruction
0
100,052
7
200,104
Tags: greedy, implementation Correct Solution: ``` def func(ss): occured = set() for pr, s in zip(['']+ss[:-1], ss): if pr == s: continue for i, el in enumerate(s): if el == "#": if i in occured: return False occured.add...
output
1
100,052
7
200,105
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,053
7
200,106
Yes
output
1
100,053
7
200,107
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,054
7
200,108
Yes
output
1
100,054
7
200,109
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,055
7
200,110
Yes
output
1
100,055
7
200,111
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,056
7
200,112
Yes
output
1
100,056
7
200,113
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,057
7
200,114
No
output
1
100,057
7
200,115
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,058
7
200,116
No
output
1
100,058
7
200,117
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,059
7
200,118
No
output
1
100,059
7
200,119
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There is a rectangular grid of n rows of m initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the i-th operation, a non-empty subset of rows R...
instruction
0
100,060
7
200,120
No
output
1
100,060
7
200,121
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Devu wants to decorate his garden with flowers. He has purchased n boxes, where the i-th box contains fi flowers. All flowers in a single box are of the same color (hence they are indistinguisha...
instruction
0
100,695
7
201,390
No
output
1
100,695
7
201,391
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Devu wants to decorate his garden with flowers. He has purchased n boxes, where the i-th box contains fi flowers. All flowers in a single box are of the same color (hence they are indistinguisha...
instruction
0
100,696
7
201,392
No
output
1
100,696
7
201,393
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. BerPhone X is almost ready for release with n applications being preinstalled on the phone. A category of an application characterizes a genre or a theme of this application (like "game", "busin...
instruction
0
101,326
7
202,652
Yes
output
1
101,326
7
202,653
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. BerPhone X is almost ready for release with n applications being preinstalled on the phone. A category of an application characterizes a genre or a theme of this application (like "game", "busin...
instruction
0
101,327
7
202,654
Yes
output
1
101,327
7
202,655
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. BerPhone X is almost ready for release with n applications being preinstalled on the phone. A category of an application characterizes a genre or a theme of this application (like "game", "busin...
instruction
0
101,328
7
202,656
Yes
output
1
101,328
7
202,657