message
stringlengths
2
11.9k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
137
108k
cluster
float64
18
18
__index_level_0__
int64
274
217k
Provide a correct Python 3 solution for this coding contest problem. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23w
instruction
0
46,946
18
93,892
"Correct Solution: ``` n=input() print(n[::-1]) ```
output
1
46,946
18
93,893
Provide a correct Python 3 solution for this coding contest problem. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23w
instruction
0
46,947
18
93,894
"Correct Solution: ``` n=list(input()) k=len(n) for i in range(int(k/2)): n[i],n[k-i-1]=n[k-i-1],n[i] for i in range(k): print(n[i], end="") print("") ```
output
1
46,947
18
93,895
Provide a correct Python 3 solution for this coding contest problem. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23w
instruction
0
46,948
18
93,896
"Correct Solution: ``` # -*- coding: utf-8 -*- print ( input ( )[::-1] ) ```
output
1
46,948
18
93,897
Provide a correct Python 3 solution for this coding contest problem. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23w
instruction
0
46,949
18
93,898
"Correct Solution: ``` # Aizu Problem 0006: Reverse Sequence # import sys, math, os # read input: PYDEV = os.environ.get('PYDEV') if PYDEV=="True": sys.stdin = open("sample-input.txt", "rt") print(input().strip()[::-1]) ```
output
1
46,949
18
93,899
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,950
18
93,900
Yes
output
1
46,950
18
93,901
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,951
18
93,902
Yes
output
1
46,951
18
93,903
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,952
18
93,904
Yes
output
1
46,952
18
93,905
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,953
18
93,906
Yes
output
1
46,953
18
93,907
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,954
18
93,908
No
output
1
46,954
18
93,909
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,955
18
93,910
No
output
1
46,955
18
93,911
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,956
18
93,912
No
output
1
46,956
18
93,913
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Write a program which reverses a given string str. Input str (the size of str ≤ 20) is given in a line. Output Print the reversed str in a line. Example Input w32nimda Output admin23...
instruction
0
46,957
18
93,914
No
output
1
46,957
18
93,915
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple. zscoder is g...
instruction
0
47,526
18
95,052
Yes
output
1
47,526
18
95,053
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple. zscoder is g...
instruction
0
47,528
18
95,056
Yes
output
1
47,528
18
95,057
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. zscoder loves simple strings! A string t is called simple if every pair of adjacent characters are distinct. For example ab, aba, zscoder are simple whereas aa, add are not simple. zscoder is g...
instruction
0
47,529
18
95,058
Yes
output
1
47,529
18
95,059
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,704
18
95,408
"Correct Solution: ``` import collections import sys S=collections.deque(input()) Q=int(input()) r=0 for _ in range(Q): fs=next(sys.stdin).split() T=int(fs[0]) if T==1: r^=1 else: F,C=int(fs[1])-1,fs[2] if F==r: S.appendleft(C) else: S.append(C) ...
output
1
47,704
18
95,409
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,705
18
95,410
"Correct Solution: ``` s=input() n=int(input()) t="" for _ in range(n): q=input().split() if q[0]=="1": t,s=s,t else: if q[1]=="1": t+=q[2] else: s+=q[2] t=t[::-1] print(t+s) ```
output
1
47,705
18
95,411
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,706
18
95,412
"Correct Solution: ``` import sys s=input() q=int(input()) a=[] b=[] c=0 for i in sys.stdin: if '1' in i.split()[0]: a,b=b,a c+=1 else: if '1' in i.split()[1]: a.append(i.split()[2]) else: b.append(i.split()[2]) if c%2==1: s=''.join(list(s)[::-1]) print(''.join(a[::-1])+s+''.join(b)) `...
output
1
47,706
18
95,413
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,707
18
95,414
"Correct Solution: ``` s = input() q = int(input()) Q = [list(map(str, input().split())) for _ in range(q)] t = '' for qi in Q: if int(qi[0]) == 1: s, t = t, s else: if int(qi[1]) == 1: t += qi[2] else: s += qi[2] t = t[::-1] t += s print(t) ```
output
1
47,707
18
95,415
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,708
18
95,416
"Correct Solution: ``` S=input() n=int(input()) t=0 L="" R="" for i in range(n): Q=list(input().split()) if Q[0]=="1": if t==0: t=1 else: t=0 else: if int(Q[1])+t==2: R=R+Q[2] else: L=Q[2]+L ans=L+S+R if t==0: p...
output
1
47,708
18
95,417
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,709
18
95,418
"Correct Solution: ``` s=input() q=int(input()) rev=1 sf="" sb=s for _ in range(0,q): n=input().split() if n[0]=="1": rev*=-1 else: if (n[1]=="1" and rev==1) or (n[1]=="2" and rev==-1): sf+=n[2] else: sb+=n[2] s=sf[::-1]+sb if rev==1: print(s) else: print(s[::-1]) ```
output
1
47,709
18
95,419
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,710
18
95,420
"Correct Solution: ``` from collections import deque S=deque(input()) q=int(input()) rev=False for _ in range(q): inp=input() if inp=="1": rev= not rev else: t,f,c=inp.split() if (rev and f=="1") or (not rev and f=="2"): S.append(c) else: S.appendleft(c) if rev: S.r...
output
1
47,710
18
95,421
Provide a correct Python 3 solution for this coding contest problem. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations. In Operation i (1 \leq i \leq Q), an integer T_i is pr...
instruction
0
47,711
18
95,422
"Correct Solution: ``` s1=list(input()) q=int(input()) s0=[] f=1 for i in range(q): a=list(input().split()) #print(i,a,s) if int(a[0])==1: f=(f+1)%2 else: if (f+int(a[1]))%2==0: s0.append(a[2]) else: s1.append(a[2]) if f==1: print("".join(s0[::-1])+"".join(s1)) else: print("".join(s1...
output
1
47,711
18
95,423
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,712
18
95,424
Yes
output
1
47,712
18
95,425
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,713
18
95,426
Yes
output
1
47,713
18
95,427
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,714
18
95,428
Yes
output
1
47,714
18
95,429
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,715
18
95,430
Yes
output
1
47,715
18
95,431
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,716
18
95,432
No
output
1
47,716
18
95,433
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,717
18
95,434
No
output
1
47,717
18
95,435
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,718
18
95,436
No
output
1
47,718
18
95,437
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi has a string S consisting of lowercase English letters. Starting with this string, he will produce a new one in the procedure given as follows. The procedure consists of Q operations...
instruction
0
47,719
18
95,438
No
output
1
47,719
18
95,439
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Given is a string S. Let T be the concatenation of K copies of S. We can repeatedly perform the following operation: choose a character in T and replace it with a different character. Find the m...
instruction
0
47,728
18
95,456
Yes
output
1
47,728
18
95,457
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Given is a string S. Let T be the concatenation of K copies of S. We can repeatedly perform the following operation: choose a character in T and replace it with a different character. Find the m...
instruction
0
47,732
18
95,464
No
output
1
47,732
18
95,465
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in `yyyy/mm/dd` format. For example, January 23, 2018 should be written as ...
instruction
0
47,795
18
95,590
Yes
output
1
47,795
18
95,591
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in `yyyy/mm/dd` format. For example, January 23, 2018 should be written as ...
instruction
0
47,798
18
95,596
No
output
1
47,798
18
95,597
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,822
18
95,644
"Correct Solution: ``` import re print('Yes' if re.search(r'C.*F', input()) else 'No') ```
output
1
47,822
18
95,645
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,823
18
95,646
"Correct Solution: ``` s = input() t = s.find("C") if s[t:].find("F") > 0: print("Yes") else: print("No") ```
output
1
47,823
18
95,647
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,824
18
95,648
"Correct Solution: ``` s = input() a = s.find("C") b = s.rfind("F") if a == -1 or b == -1: print ("No") else: if a < b: print ("Yes") else: print ("No") ```
output
1
47,824
18
95,649
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,825
18
95,650
"Correct Solution: ``` S = input() i1 = S.find('C') i2 = S.rfind('F') print('Yes' if i1!=-1 and i1<i2 else 'No') ```
output
1
47,825
18
95,651
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,826
18
95,652
"Correct Solution: ``` s=input() Cflag=0 for i in range(len(s)): if s[i]=='C': Cflag=1 if s[i]=='F' and Cflag==1: print('Yes') exit() print('No') ```
output
1
47,826
18
95,653
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,827
18
95,654
"Correct Solution: ``` s = input() c = s.rfind('C') f = s.rfind('F') print('Yes') if c >= 0 and f >= 0 and (c - f) < 0 else print('No') ```
output
1
47,827
18
95,655
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,828
18
95,656
"Correct Solution: ``` s = input() C = s.find("C") F = s.rfind("F") if C != -1 and F != -1 and C < F: print("Yes") else: print("No") ```
output
1
47,828
18
95,657
Provide a correct Python 3 solution for this coding contest problem. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in the same way. You are given a string s consisting of upp...
instruction
0
47,829
18
95,658
"Correct Solution: ``` s = input() if 'C' in s and 'F' in s and s.index('C') < s.rindex('F'): print('Yes') else: print('No') ```
output
1
47,829
18
95,659
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,830
18
95,660
Yes
output
1
47,830
18
95,661
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,831
18
95,662
Yes
output
1
47,831
18
95,663
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,832
18
95,664
Yes
output
1
47,832
18
95,665
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,833
18
95,666
Yes
output
1
47,833
18
95,667
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,834
18
95,668
No
output
1
47,834
18
95,669
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,835
18
95,670
No
output
1
47,835
18
95,671
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. This contest is `CODEFESTIVAL`, which can be shortened to the string `CF` by deleting some characters. Mr. Takahashi, full of curiosity, wondered if he could obtain `CF` from other strings in t...
instruction
0
47,836
18
95,672
No
output
1
47,836
18
95,673