message
stringlengths
2
23.4k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
129
108k
cluster
float64
6
6
__index_level_0__
int64
258
216k
Provide a correct Python 3 solution for this coding contest problem. We, the researchers who discovered and investigated the ancient nation Iwashiro, finally discovered the temple in the center of Iwashiro. A lithograph dedicated to the god of Iwashiro was stored in the temple. On the lithograph, two strings were writ...
instruction
0
55,546
6
111,092
"Correct Solution: ``` t = input() b = input() table = [[0 for i in range(len(t))] for j in range(len(b))] if len(t) > len(b): if t[0] == b[0]: table[0][0] = 1 for i in range(1, len(t)): if t[i] == b[0]: table[0][i] = table[0][i-1] + 1 else: table[0][i] ...
output
1
55,546
6
111,093
Provide a correct Python 3 solution for this coding contest problem. We, the researchers who discovered and investigated the ancient nation Iwashiro, finally discovered the temple in the center of Iwashiro. A lithograph dedicated to the god of Iwashiro was stored in the temple. On the lithograph, two strings were writ...
instruction
0
55,547
6
111,094
"Correct Solution: ``` def main(): MOD = 1000000007 s,t = input(),input() n,m = len(s),len(t) dp = [[0 for i in range(m+1)] for j in range(n+1)] dp[0][0] = 1 for i in range(n): for j in range(m-1,-1,-1): dp[i+1][j] += dp[i][j] dp[i+1][j] %= MOD if s[i]...
output
1
55,547
6
111,095
Provide a correct Python 3 solution for this coding contest problem. We, the researchers who discovered and investigated the ancient nation Iwashiro, finally discovered the temple in the center of Iwashiro. A lithograph dedicated to the god of Iwashiro was stored in the temple. On the lithograph, two strings were writ...
instruction
0
55,548
6
111,096
"Correct Solution: ``` t = input() b = input() MOD = 10**9 + 7 cnts = [0]*(len(b)+1) cnts[0] = 1 for c in t: for i in range(len(b)-1, -1, -1): if c == b[i]: cnts[i+1] = (cnts[i+1] + cnts[i]) % MOD print(cnts[-1]) ```
output
1
55,548
6
111,097
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We, the researchers who discovered and investigated the ancient nation Iwashiro, finally discovered the temple in the center of Iwashiro. A lithograph dedicated to the god of Iwashiro was stored...
instruction
0
55,549
6
111,098
No
output
1
55,549
6
111,099
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Kaavi, the mysterious fortune teller, deeply believes that one's fate is inevitable and unavoidable. Of course, she makes her living by predicting others' future. While doing divination, Kaavi b...
instruction
0
55,758
6
111,516
Yes
output
1
55,758
6
111,517
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Friday is Polycarpus' favourite day of the week. Not because it is followed by the weekend, but because the lessons on Friday are 2 IT lessons, 2 math lessons and 2 literature lessons. Of course...
instruction
0
55,777
6
111,554
No
output
1
55,777
6
111,555
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,948
6
111,896
Tags: greedy, implementation Correct Solution: ``` a,b=input().split('|') u=input() x=len(u) A=len(a) B=len(b) t=A+B+x if abs(B-A)<=x and t%2==0: if t%2==0: t=t/2 A=int(abs(t-A)) a+=u[0:A] b+=u[A:] else: t=t//2 A=int(abs(t-A)) a+=u[0:A] b+=u[A:x-1]...
output
1
55,948
6
111,897
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,949
6
111,898
Tags: greedy, implementation Correct Solution: ``` """ β–ˆβ–ˆβ•— β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•— β–ˆβ–ˆβ•— β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•— β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•— β–ˆβ–ˆβ•— β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•— β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•”β•β•β•β–ˆβ–ˆβ•—β–ˆβ–ˆβ•‘ β•šβ•β•β•β•β–ˆβ–ˆβ•—β–ˆβ–ˆβ•”β•β–ˆβ–ˆβ–ˆβ–ˆβ•—β–ˆβ–ˆβ–ˆβ•‘β–ˆβ–ˆβ•”β•β•β–ˆβ–ˆβ•— β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•”β•β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•”β–ˆβ–ˆβ•‘β•šβ–ˆβ–ˆβ•‘β•šβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•‘β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•”β•β•β•β• β–ˆβ–ˆβ–ˆβ–ˆβ•”β•β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•‘ β•šβ•β•β•β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ•‘β•šβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•”β•β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•—β•šβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•”β• β–ˆβ–ˆβ•‘ β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ•”β• β•šβ•β• β•šβ•β•β•β•β•β• β•šβ•β• β•šβ•...
output
1
55,949
6
111,899
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,950
6
111,900
Tags: greedy, implementation Correct Solution: ``` __author__ = 'Adela' def main(): # code w = [k for k in input().split('|')] l = len(w[0]) r = len(w[1]) rem = input() total = (l+r+len(rem)) if total % 2 == 0: if l <= total/2 and r <= total/2: total = int(total/2) ...
output
1
55,950
6
111,901
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,951
6
111,902
Tags: greedy, implementation Correct Solution: ``` def checkG(g): return g%2==0 x=input() g=input() n=len(g) l=x.find('|') r=len(x)-x.find('|')-1 if r==l: if checkG(n): print(x[:l]+g[:int(n/2)]+'|'+x[l+1:]+g[int(n/2):]) else: print("Impossible") else: d=abs(r-l) if n<d: p...
output
1
55,951
6
111,903
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,952
6
111,904
Tags: greedy, implementation Correct Solution: ``` (a, b) = input().split('|') c = input() i = 0 while len(c) > 0: if len(a) < len(b): a += c[0] else: b += c[0] c = c[1::] if len(a) == len(b): print(a + '|' + b) else: print("Impossible") ```
output
1
55,952
6
111,905
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,953
6
111,906
Tags: greedy, implementation Correct Solution: ``` s = input() t = input() ass = s.split("|") al= len(s)+len(t)-1 if al %2 or len(ass[0])>al//2 or len(ass[1])>al//2: print("Impossible") exit(0) lt = list(t) ml = al//2- len(ass[0]) ass[0]+=t[:ml] ass[1]+=t[ml:] print(ass[0]+"|"+ass[1]) ```
output
1
55,953
6
111,907
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,954
6
111,908
Tags: greedy, implementation Correct Solution: ``` def main(): current = input().strip().split("|") unused = input().strip() lengths = [ len(x) for x in current ] ll,lr,lu=min(lengths[0],lengths[1]),max(lengths[0],lengths[1]),len(unused) r = None if (ll+lr+lu)%2==1 or ll+lu<lr: r = "Impossible" else: ...
output
1
55,954
6
111,909
Provide tags and a correct Python 3 solution for this coding contest problem. Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possible to put all the remaining weights on the...
instruction
0
55,955
6
111,910
Tags: greedy, implementation Correct Solution: ``` l,r = input().split('|') q = input() for i in q: if len(l)>len(r): r+=i elif len(l)<len(r): l+=i else: l+=i if len(l)==len(r): print(l+"|"+r) else: print('Impossible') ```
output
1
55,955
6
111,911
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,003
6
112,006
Tags: implementation, strings Correct Solution: ``` n, m = map(int, input().split()) a= {} for i in range(m): n, m = input().split() a[n] = m st = input() #print(st) st1 = '' for i in st.split(): #print(i) if(len(a[i]) < len(i)): st1 += a[i] + " " else: st1 += i + " " print(st1) ...
output
1
56,003
6
112,007
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,004
6
112,008
Tags: implementation, strings Correct Solution: ``` #!/usr/bin/env python # coding: utf-8 # In[2]: n,m=map(int,input().split()) d=dict() while m: a,b=input().split() la=len(a) lb=len(b) if la<=lb: d[a]=a else: d[a]=b m-=1 text=input().split() ans=[] for i in text...
output
1
56,004
6
112,009
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,005
6
112,010
Tags: implementation, strings Correct Solution: ``` n,m = map(int,input().split()) dc = {} for i in range(m): a = input().split() dc[a[0]] = a[1] mat = input().split() for word in mat: if (len(word)>len(dc[word])): print(dc[word],end = " ") else: print(word , end = " ") ```
output
1
56,005
6
112,011
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,006
6
112,012
Tags: implementation, strings Correct Solution: ``` n, m = map(int, input().split()) words = dict() for i in range(m): w1, w2 = map(str, input().split()) w = w1 if len(w2) < len(w1): w = w2 words[w1] = w words[w2] = w data = input().split() for i in range(n): print(words[data[i]], end = ...
output
1
56,006
6
112,013
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,007
6
112,014
Tags: implementation, strings Correct Solution: ``` ## 499B (n, m) = (int(_) for _ in input().split(' ')) dictionary = {} for _ in range(m): (a, b) = input().split(' ') dictionary[a] = b output = [] for word in input().split(): if len(word) <= len(dictionary[word]): output.append(word) else:...
output
1
56,007
6
112,015
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,008
6
112,016
Tags: implementation, strings Correct Solution: ``` g=input() n,m=[int(x) for x in g.split()] dic={} lis=[] for i in range(m): r=input() r1,r2=r.split() if len(r1)<=len(r2): dic[r1]=r1 dic[r2]=r1 else: dic[r1]=r2 dic[r2]=r2 t=input() for x in t.split(): lis.append(x) result="" for x in lis: result=result...
output
1
56,008
6
112,017
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,009
6
112,018
Tags: implementation, strings Correct Solution: ``` def f(l,a): for i in range(0,len(l),2): if l[i]==a: if len(a)>len(l[i+1]): # print(0) return l[i+1] else: # print(1) return a n,m=map(int,input().split()) l=[] for i in range(m): l1=list(input().split()) l.append(l1[0]) l.append(l1[1]) # p...
output
1
56,009
6
112,019
Provide tags and a correct Python 3 solution for this coding contest problem. You have a new professor of graph theory and he speaks very quickly. You come up with the following plan to keep up with his lecture and make notes. You know two languages, and the professor is giving the lecture in the first one. The words...
instruction
0
56,010
6
112,020
Tags: implementation, strings Correct Solution: ``` from collections import defaultdict d=defaultdict(list) n,m=map(int,input().split()) for i in range(m): x,y=map(str,input().split()) if len(x)>len(y): d[x].append(y) else: d[x].append(x) s=list(map(str,input().split())) for i in ra...
output
1
56,010
6
112,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Everyone knows that DNA strands consist of nucleotides. There are four types of nucleotides: "A", "T", "G", "C". A DNA strand is a sequence of nucleotides. Scientists decided to track evolution ...
instruction
0
56,106
6
112,212
No
output
1
56,106
6
112,213
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Everyone knows that DNA strands consist of nucleotides. There are four types of nucleotides: "A", "T", "G", "C". A DNA strand is a sequence of nucleotides. Scientists decided to track evolution ...
instruction
0
56,107
6
112,214
No
output
1
56,107
6
112,215
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Everyone knows that DNA strands consist of nucleotides. There are four types of nucleotides: "A", "T", "G", "C". A DNA strand is a sequence of nucleotides. Scientists decided to track evolution ...
instruction
0
56,108
6
112,216
No
output
1
56,108
6
112,217
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,150
6
112,300
Tags: implementation, strings Correct Solution: ``` def main(): n = int(input()) forbidden = [input() for _ in range(n)] res = input() f = [0 for i in range(len(res))] letter = input() for i in range(n): for j in range(len(res)): if len(res[j:]) < len(forbidden[i]): break if res[j: j + len(forbidden[i]...
output
1
56,150
6
112,301
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,151
6
112,302
Tags: implementation, strings Correct Solution: ``` import sys f = sys.stdin #f = open("input.txt") n = int(f.readline()) fbs = [] for i in range(n): fbs.append(f.readline().strip()) s = f.readline().strip() ch = f.readline().strip() bChange = [0] * len(s) for i in range(n): idx = s.lower().find(fbs[i].lower(...
output
1
56,151
6
112,303
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,152
6
112,304
Tags: implementation, strings Correct Solution: ``` n = int(input()) b = [] for i in range(n): b.append(input()) w = input() let = input() bad = [False for i in range(len(w))] for i in range(len(w)): mx = 0 for j in range(n): if w[i:].lower().startswith(b[j].lower()): mx = max(mx, len(b...
output
1
56,152
6
112,305
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,153
6
112,306
Tags: implementation, strings Correct Solution: ``` #from bisect import bisect_left as bl #c++ lowerbound bl(array,element) #from bisect import bisect_right as br #c++ upperbound br(array,element) #from __future__ import print_function, division #while using python2 # from itertools impo...
output
1
56,153
6
112,307
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,154
6
112,308
Tags: implementation, strings Correct Solution: ``` from math import* a=[list(input().lower()) for i in range(int(input()))] s=input() s0=list(s) s=list(s.lower()) c=input() C=chr(ord(c)-ord('a')+ord('A')) r=['.']*len(s) for t in a: for i in range(len(s)-len(t)+1): #print(s[i:i+len(t)],t) if(s[i:i+...
output
1
56,154
6
112,309
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,155
6
112,310
Tags: implementation, strings Correct Solution: ``` import sys from math import * def minp(): return sys.stdin.readline().strip() def mint(): return int(minp()) def mints(): return map(int, minp().split()) def same(a, b): return a.lower() == b.lower() n = mint() w = [] for i in range(n): w.append(minp().low...
output
1
56,155
6
112,311
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,156
6
112,312
Tags: implementation, strings Correct Solution: ``` n=int(input()) a=[input() for i in range(n)] w=input() b=[False for i in range(len(w))] c=input() for i in range(len(w)): z=0 for s in a: if w[i:].lower().startswith(s.lower()): z=max(z,len(s)) for j in range(i,i+z): b[j]=True s='' for ...
output
1
56,156
6
112,313
Provide tags and a correct Python 3 solution for this coding contest problem. Petya loves hockey very much. One day, as he was watching a hockey match, he fell asleep. Petya dreamt of being appointed to change a hockey team's name. Thus, Petya was given the original team name w and the collection of forbidden substrin...
instruction
0
56,157
6
112,314
Tags: implementation, strings Correct Solution: ``` n= int(input())#how many word b = [] for i in range(n): b.append(input())# put the word in a list w = input()#what we whant to change let = input()#which we change in to bad=[] for i in range(len(w)): bad.append(True) for i in range(len(w)): mx = 0 f...
output
1
56,157
6
112,315
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem E with smaller constraints. Twilight Sparkle has received a new task from Princess Celestia. This time she asked to decipher the ancient scroll containi...
instruction
0
56,556
6
113,112
No
output
1
56,556
6
113,113
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem E with smaller constraints. Twilight Sparkle has received a new task from Princess Celestia. This time she asked to decipher the ancient scroll containi...
instruction
0
56,557
6
113,114
No
output
1
56,557
6
113,115
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem E with smaller constraints. Twilight Sparkle has received a new task from Princess Celestia. This time she asked to decipher the ancient scroll containi...
instruction
0
56,558
6
113,116
No
output
1
56,558
6
113,117
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This is an easier version of the problem E with smaller constraints. Twilight Sparkle has received a new task from Princess Celestia. This time she asked to decipher the ancient scroll containi...
instruction
0
56,559
6
113,118
No
output
1
56,559
6
113,119
Provide tags and a correct Python 3 solution for this coding contest problem. Inna and Dima bought a table of size n Γ— m in the shop. Each cell of the table contains a single letter: "D", "I", "M", "A". Inna loves Dima, so she wants to go through his name as many times as possible as she moves through the table. For ...
instruction
0
56,683
6
113,366
Tags: dfs and similar, dp, graphs, implementation Correct Solution: ``` import sys n, m = map(int, input().split()) m += 1 d = {'I': 0, 'M': 1, 'A': 2, 'D': 3, '\n': -7} t = list(map(d.get, sys.stdin.read())) + [-7] * m p = [[] for q in t] c = [0] * len(t) for a in range(n * m): for b in (a - m, a + m, a - 1, a + 1...
output
1
56,683
6
113,367
Provide tags and a correct Python 3 solution for this coding contest problem. Inna and Dima bought a table of size n Γ— m in the shop. Each cell of the table contains a single letter: "D", "I", "M", "A". Inna loves Dima, so she wants to go through his name as many times as possible as she moves through the table. For ...
instruction
0
56,684
6
113,368
Tags: dfs and similar, dp, graphs, implementation Correct Solution: ``` n, m = map(int, input().split()) m += 1 q = {'I': 0, 'M': 1, 'A': 2, 'D': 3} t = [] for i in range(n): t += map(q.get, input()) t.append(-7) t += [-7] * m p = [[] for q in t] c = [0] * len(t) for a in range(n * m): for b in (a - m, a + ...
output
1
56,684
6
113,369
Provide tags and a correct Python 3 solution for this coding contest problem. Inna and Dima bought a table of size n Γ— m in the shop. Each cell of the table contains a single letter: "D", "I", "M", "A". Inna loves Dima, so she wants to go through his name as many times as possible as she moves through the table. For ...
instruction
0
56,685
6
113,370
Tags: dfs and similar, dp, graphs, implementation Correct Solution: ``` import sys from functools import lru_cache, cmp_to_key from heapq import merge, heapify, heappop, heappush # from math import * from collections import defaultdict as dd, deque, Counter as C from itertools import combinations as comb, permutations ...
output
1
56,685
6
113,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Inna and Dima bought a table of size n Γ— m in the shop. Each cell of the table contains a single letter: "D", "I", "M", "A". Inna loves Dima, so she wants to go through his name as many times a...
instruction
0
56,686
6
113,372
No
output
1
56,686
6
113,373
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,689
6
113,378
Tags: implementation, strings Correct Solution: ``` i=input() l=input() j=len(l) n=0 while n<j: if i[n:n+1]!=l[j-n-1:j-n]: print('NO') exit() n=n+1 print('YES') ```
output
1
56,689
6
113,379
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,690
6
113,380
Tags: implementation, strings Correct Solution: ``` if __name__=="__main__": list1=input() list2=input() rev=[] flag=0 for i in range(len(list1)-1,-1,-1): rev.append(list1[i]) for i in range(0,len(rev)): if rev[i]!=list2[i]: flag=1 break if flag==1: ...
output
1
56,690
6
113,381
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,691
6
113,382
Tags: implementation, strings Correct Solution: ``` s_word = input() t_word = input() t_reword = "" for w in t_word: t_reword = w + t_reword if s_word == t_reword: print("YES") else: print("NO") ```
output
1
56,691
6
113,383
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,692
6
113,384
Tags: implementation, strings Correct Solution: ``` s=str(input()) b=str(input()) if s==b[::-1]: print("YES") elif(s==b): print("NO") else: print("NO") ```
output
1
56,692
6
113,385
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,693
6
113,386
Tags: implementation, strings Correct Solution: ``` Berland = input() Birland = input() print("YES" if Berland == Birland[::-1] else "NO") ```
output
1
56,693
6
113,387
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,694
6
113,388
Tags: implementation, strings Correct Solution: ``` s=input() t=input() r=t[::-1] if(r==s): print('YES') else: print('NO') ```
output
1
56,694
6
113,389
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,695
6
113,390
Tags: implementation, strings Correct Solution: ``` s=input() t=input() a=t[::-1] if a==s: print('YES') else: print('NO') ```
output
1
56,695
6
113,391
Provide tags and a correct Python 3 solution for this coding contest problem. The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) revers...
instruction
0
56,696
6
113,392
Tags: implementation, strings Correct Solution: ``` import math def ii(): return int(input()) def mi(): return map(int, input().split()) def li(): return list(mi()) a = input() b = input() a= list(a) b = list(b) f = 1 for i in range(len(a)): if a[i] != b[len(b)-i-1]: f= 0 break if f: print("YES"...
output
1
56,696
6
113,393
Provide tags and a correct Python 3 solution for this coding contest problem. A has a string consisting of some number of lowercase English letters 'a'. He gives it to his friend B who appends some number of letters 'b' to the end of this string. Since both A and B like the characters 'a' and 'b', they have made sure ...
instruction
0
56,908
6
113,816
Tags: implementation Correct Solution: ``` #!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Mon Apr 16 21:09:05 2018 @author: harman """ def check_string(st): i=0 while i!= (len(st)-1): if (ord(st[i])>ord(st[i+1])): return('NO') else: i += 1 ...
output
1
56,908
6
113,817