message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today we will be playing a red and white colouring game (no, this is not the Russian Civil War; these are just the colours of the Canadian flag).
You are given an n × m grid of "R", "W", and ".... | instruction | 0 | 83,654 | 7 | 167,308 |
No | output | 1 | 83,654 | 7 | 167,309 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today we will be playing a red and white colouring game (no, this is not the Russian Civil War; these are just the colours of the Canadian flag).
You are given an n × m grid of "R", "W", and ".... | instruction | 0 | 83,655 | 7 | 167,310 |
No | output | 1 | 83,655 | 7 | 167,311 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Today we will be playing a red and white colouring game (no, this is not the Russian Civil War; these are just the colours of the Canadian flag).
You are given an n × m grid of "R", "W", and ".... | instruction | 0 | 83,656 | 7 | 167,312 |
No | output | 1 | 83,656 | 7 | 167,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,662 | 7 | 167,324 |
Tags: binary search, dp, two pointers
Correct Solution:
```
n, m, k =map(int,input().split())
a =list(map(int,input().split()))
col = [[] for i in range(m + 1)]
for i in range(n):
col[a[i]] += [i]
pref_c = [[0] * len(col[i]) for i in range(m + 1)]
for i in range(1, m + 1):
for j in range(1, len(col[i])):
... | output | 1 | 83,662 | 7 | 167,325 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,663 | 7 | 167,326 |
Tags: binary search, dp, two pointers
Correct Solution:
```
from sys import stdout
from sys import stdin
def get():
return stdin.readline().strip()
def getf():
return [int(i) for i in get().split()]
def put(a, end = "\n"):
stdout.write(str(a) + end)
def putf(a, sep = " ", end = "\n"):
stdout.write(sep.j... | output | 1 | 83,663 | 7 | 167,327 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,664 | 7 | 167,328 |
Tags: binary search, dp, two pointers
Correct Solution:
```
# ---------------------------iye ha aam zindegi---------------------------------------------
import math
import heapq, bisect
import sys
from collections import deque, defaultdict
from fractions import Fraction
mod = 10 ** 9 + 7
mod1 = 998244353
# ----------... | output | 1 | 83,664 | 7 | 167,329 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,665 | 7 | 167,330 |
Tags: binary search, dp, two pointers
Correct Solution:
```
from sys import stdin, stdout
n, q, k = map(int, stdin.readline().split())
colours = list(map(int, stdin.readline().split()))
position = [[] for i in range(q + 1)]
cnt = [[] for i in range(q + 1)]
ans = 0
c, l, r = colours[0], 0, 0
for i in range(1, n):
... | output | 1 | 83,665 | 7 | 167,331 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,666 | 7 | 167,332 |
Tags: binary search, dp, two pointers
Correct Solution:
```
R = lambda: map(int, input().split())
n, m, k = R()
arr = list(R())
arrs = [list() for i in range(m)]
for i, x in enumerate(arr):
arrs[x - 1].append(i)
res = 1
for ar in arrs:
l = -1
for r in range(len(ar)):
while r - l + k < ar[r] - ar[l +... | output | 1 | 83,666 | 7 | 167,333 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,667 | 7 | 167,334 |
Tags: binary search, dp, two pointers
Correct Solution:
```
n,m,k = map(int,input().split())
a = list(map(int,input().split()))
from collections import defaultdict
mp = defaultdict(list)
for i in range(n):
mp[a[i]].append(i)
res = 0
for i in range(n):
val = a[i]
st = 0
tmp = 1
ll =0
rr = len(mp[... | output | 1 | 83,667 | 7 | 167,335 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's imagine that you're playing the following simple computer game. The screen displays n lined-up cubes. Each cube is painted one of m colors. You are allowed to delete not more than k cubes (that do not necessarily go one after another).... | instruction | 0 | 83,668 | 7 | 167,336 |
Tags: binary search, dp, two pointers
Correct Solution:
```
n,m,k = map(int,input().split())
a = list(map(int,input().split()))
from collections import defaultdict
mp = defaultdict(list)
for i in range(n):
mp[a[i]].append(i)
res = 0
for i in range(n):
val = a[i]
st = 0
l =0
r = len(mp[val])-1
wh... | output | 1 | 83,668 | 7 | 167,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,932 | 7 | 167,864 |
Tags: implementation
Correct Solution:
```
while True:
try:
def solution(n, m):
cnt =[0]*(m)
lights = []
for i in range(n):
a = input()
for j in range(m):
if a[j] == '1':
cnt[j] += 1
lights.append(a)
has="NO"
for i in range(n):
has = "NO"
cunt = 0
for j in range(m):
... | output | 1 | 83,932 | 7 | 167,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,933 | 7 | 167,866 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
a=[]
b=[0]*m
for i in range(n):
s=input()
for j in range(m):
if s[j]=='1':
b[j]+=1
a.append(s)
ans="NO"
for i in range(n):
s=a[i]
flag=True
for j in range(m):
if s[j]=='1':
if b[j]<=1:... | output | 1 | 83,933 | 7 | 167,867 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,934 | 7 | 167,868 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
a=[int(input(),2)for _ in range(n)]
s=t=0
for x in a:
t|=s&x;s|=x
print(('YES','NO')[all(x&s&~t for x in a)])
``` | output | 1 | 83,934 | 7 | 167,869 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,935 | 7 | 167,870 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
l=[int(input(),2) for i in range(n)]
c=int('1'*m,2)
b=True
for i in range(len(l)):
s=0
for j in range(len(l)):
if i!=j:
s=s|l[j]
if s==c:
b=False
print('YES')
break
if b:
print('NO')
``` | output | 1 | 83,935 | 7 | 167,871 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,936 | 7 | 167,872 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
ar=[]
for i in range(n):
ar.append(list(map(int,list(input()))))
br=[0]*m
for i in range(n):
for j in range(m):
br[j]+=ar[i][j]
flag=False
for i in range(n):
f1=True
for j in range(m):
if(ar[i][j]==1 and br[j]==1):
... | output | 1 | 83,936 | 7 | 167,873 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,937 | 7 | 167,874 |
Tags: implementation
Correct Solution:
```
s, l= list(map(int,input().split()))
sig = []
utp = []
if s == 0 or l ==0:
print('NO')
quit()
for i in range(s):
sig.append(list(map(int,input())))
for i in range(0,l):
out = 0
for x in range(0,s):
out+=sig[x][i]
utp.append(out)
sig = sorted(sig... | output | 1 | 83,937 | 7 | 167,875 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,938 | 7 | 167,876 |
Tags: implementation
Correct Solution:
```
n, m = [int(i) for i in input().split()]
lst = [input() for i in range(n)]
count = [0 for _ in range(m)]
for i in range(n):
for j in range(m):
if lst[i][j] == '1':
count[j] += 1
flag = True
for i in range(n):
flag = True
for j in range(m):
... | output | 1 | 83,938 | 7 | 167,877 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th switch turns on the j-th lamp and ai, j = 0 if ... | instruction | 0 | 83,939 | 7 | 167,878 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
l=[]
cnt=[0 for i in range(m)]
for i in range(n):
s=input()
l.append(s)
for j in range(m):
if s[j]=='1':
cnt[j]+=1
c=0
for i in l:
ok=True
for j in range(m):
if i[j]=='1' and cnt[j]==1:
ok... | output | 1 | 83,939 | 7 | 167,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,940 | 7 | 167,880 |
Yes | output | 1 | 83,940 | 7 | 167,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,941 | 7 | 167,882 |
Yes | output | 1 | 83,941 | 7 | 167,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,942 | 7 | 167,884 |
Yes | output | 1 | 83,942 | 7 | 167,885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,943 | 7 | 167,886 |
Yes | output | 1 | 83,943 | 7 | 167,887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,944 | 7 | 167,888 |
No | output | 1 | 83,944 | 7 | 167,889 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,945 | 7 | 167,890 |
No | output | 1 | 83,945 | 7 | 167,891 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,946 | 7 | 167,892 |
No | output | 1 | 83,946 | 7 | 167,893 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given n switches and m lamps. The i-th switch turns on some subset of the lamps. This information is given as the matrix a consisting of n rows and m columns where ai, j = 1 if the i-th ... | instruction | 0 | 83,947 | 7 | 167,894 |
No | output | 1 | 83,947 | 7 | 167,895 |
Provide a correct Python 3 solution for this coding contest problem.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are white, the complexity is 0.
* Otherwise, divide the grid i... | instruction | 0 | 84,837 | 7 | 169,674 |
"Correct Solution:
```
H, W = map(int, input().split())
A = [[1 if a == "#" else 0 for a in input()] for _ in range(H)]
X = [[[-2] * (H + 2) for _ in range(W + 2)] for _ in range(H + 2)]
Y = [[[-2] * (W + 2) for _ in range(W + 2)] for _ in range(H + 2)]
for i in range(H):
for j in range(W):
X[i][j][i] = j
... | output | 1 | 84,837 | 7 | 169,675 |
Provide a correct Python 3 solution for this coding contest problem.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are white, the complexity is 0.
* Otherwise, divide the grid i... | instruction | 0 | 84,838 | 7 | 169,676 |
"Correct Solution:
```
h, w = map(int, input().split())
field = [input() for _ in [0] * h]
HR = list(range(h))
WR = list(range(w))
WR2 = list(range(w - 2, -1, -1))
# horizontal dp, vertical dp
hor = [[[-1] * h for _ in WR] for _ in HR] # hor[top][left][bottom] = right
ver = [[[-1] * w for _ in WR] for _ in HR] # ver... | output | 1 | 84,838 | 7 | 169,677 |
Provide a correct Python 3 solution for this coding contest problem.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are white, the complexity is 0.
* Otherwise, divide the grid i... | instruction | 0 | 84,839 | 7 | 169,678 |
"Correct Solution:
```
h, w = map(int, input().split())
field = [input() for _ in [0] * h]
HR = list(range(h))
WR = list(range(w))
WR2 = list(range(w - 2, -1, -1))
# horizontal dp, vertical dp
hor = [[[-1] * h for _ in WR] for _ in HR] # hor[top][left][bottom] = right
ver = [[[-1] * w for _ in WR] for _ in HR] # ver... | output | 1 | 84,839 | 7 | 169,679 |
Provide a correct Python 3 solution for this coding contest problem.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are white, the complexity is 0.
* Otherwise, divide the grid i... | instruction | 0 | 84,840 | 7 | 169,680 |
"Correct Solution:
```
H, W = map(int, input().split())
A = [[1 if a == "#" else 0 for a in input()] for _ in range(H)]
X = [[[-2] * (H + 2) for _ in range(W + 2)] for _ in range(H + 2)]
Y = [[[-2] * (W + 2) for _ in range(W + 2)] for _ in range(H + 2)]
for i in range(H):
Xi = X[i]
Yi = Y[i]
for j in range... | output | 1 | 84,840 | 7 | 169,681 |
Provide a correct Python 3 solution for this coding contest problem.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are white, the complexity is 0.
* Otherwise, divide the grid i... | instruction | 0 | 84,841 | 7 | 169,682 |
"Correct Solution:
```
H, W = map(int, input().split())
A = [[1 if a == "#" else 0 for a in input()] for _ in range(H)]
X = [[[-2] * (H + 2) for _ in range(W + 2)] for _ in range(H + 2)]
Y = [[[-2] * (W + 2) for _ in range(W + 2)] for _ in range(H + 2)]
for i in range(H):
Xi = X[i]
Yi = Y[i]
for j in range... | output | 1 | 84,841 | 7 | 169,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are wh... | instruction | 0 | 84,842 | 7 | 169,684 |
No | output | 1 | 84,842 | 7 | 169,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are wh... | instruction | 0 | 84,843 | 7 | 169,686 |
No | output | 1 | 84,843 | 7 | 169,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are wh... | instruction | 0 | 84,844 | 7 | 169,688 |
No | output | 1 | 84,844 | 7 | 169,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note the unusual memory limit.
For a rectangular grid where each square is painted white or black, we define its complexity as follows:
* If all the squares are black or all the squares are wh... | instruction | 0 | 84,845 | 7 | 169,690 |
No | output | 1 | 84,845 | 7 | 169,691 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,846 | 7 | 169,692 |
"Correct Solution:
```
S = input()
ans, cnt = 0, 0
for i in range(len(S)):
if S[i] == "W":
ans += i - cnt
cnt += 1
print(ans)
``` | output | 1 | 84,846 | 7 | 169,693 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,847 | 7 | 169,694 |
"Correct Solution:
```
S = input()
r = 0
nB = 0
for c in S:
if c == "B":
nB += 1
if c == "W":
r += nB
print(r)
``` | output | 1 | 84,847 | 7 | 169,695 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,848 | 7 | 169,696 |
"Correct Solution:
```
cnt = ans = 0
for c in input():
if c is 'W':
ans += cnt
else:
cnt += 1
print(ans)
``` | output | 1 | 84,848 | 7 | 169,697 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,849 | 7 | 169,698 |
"Correct Solution:
```
S=input()
k=0
ans=0
for i in range(len(S)):
if S[i]=="W":
ans+=i-k
k+=1
print(ans)
``` | output | 1 | 84,849 | 7 | 169,699 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,850 | 7 | 169,700 |
"Correct Solution:
```
S=input()
ans=0
b_cnt=0
for i in range(len(S)):
if S[i]=="B":
b_cnt+=1
else:
ans+=b_cnt
print(ans)
``` | output | 1 | 84,850 | 7 | 169,701 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,851 | 7 | 169,702 |
"Correct Solution:
```
S=list(input())
c=0
ans=0
for i in range(len(S)):
if S[i]=='W':
ans+=i-c
c+=1
print(ans)
``` | output | 1 | 84,851 | 7 | 169,703 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,852 | 7 | 169,704 |
"Correct Solution:
```
S = input()
k1 = k2 = 0
for i in S[::-1]:
if i == 'W':
k2 += 1
else:
k1 += k2
print(k1)
``` | output | 1 | 84,852 | 7 | 169,705 |
Provide a correct Python 3 solution for this coding contest problem.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-th piece from the left is showing black; If S_i=`W`, the... | instruction | 0 | 84,853 | 7 | 169,706 |
"Correct Solution:
```
s = list(input())
c = 0
ans = 0
for i in s:
if i == "B":
c += 1
else:
ans += c
print(ans)
``` | output | 1 | 84,853 | 7 | 169,707 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,854 | 7 | 169,708 |
Yes | output | 1 | 84,854 | 7 | 169,709 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,855 | 7 | 169,710 |
Yes | output | 1 | 84,855 | 7 | 169,711 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,856 | 7 | 169,712 |
Yes | output | 1 | 84,856 | 7 | 169,713 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,857 | 7 | 169,714 |
Yes | output | 1 | 84,857 | 7 | 169,715 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,858 | 7 | 169,716 |
No | output | 1 | 84,858 | 7 | 169,717 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,859 | 7 | 169,718 |
No | output | 1 | 84,859 | 7 | 169,719 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N Reversi pieces arranged in a row. (A Reversi piece is a disc with a black side and a white side.) The state of each piece is represented by a string S of length N. If S_i=`B`, the i-... | instruction | 0 | 84,860 | 7 | 169,720 |
No | output | 1 | 84,860 | 7 | 169,721 |
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