QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #499486 | #6723. Grid with Arrows | ssmy | WA | 160ms | 5712kb | C++20 | 1.7kb | 2024-07-31 14:54:35 | 2024-07-31 14:54:37 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
int dx[4] = {0, 0, 1, -1};
int dy[4] = {1, -1, 0, 0};
int n, m;
const int N = 1e5 + 10;
map <char, int> mt;
// void dfs(int x, int y, char a[][N], int b[][N])
// {
// bool r[n + 2][m + 2];
// memset(r, 0, sizeof(r));
// int tx = x +
// }
void solve()
{
std:: cin >> n >> m;
char a[n + 2][m + 2];
for(int i = 1; i <= n; i ++ )
{
for(int j = 1; j <= m; j ++ )
{
std:: cin >> a[i][j];
}
}
int b[n + 2][m + 2];
for(int i = 1; i <= n; i ++ )
{
for(int j = 1; j <= m; j ++ )
{
std:: cin >> b[i][j];
}
}
bool st[n + 2][m + 2];
memset(st, 0, sizeof(0));
for(int i = 1; i <= n; i ++ )
{
for(int j = 1; j <= m; j ++ )
{
if(!st[i][j])
{
int x = i;
int y = j;
bool r[n + 2][m + 2];
memset(r, 0, sizeof(r));
st[x][y] = true;
r[x][y] = true;
while(1)
{
int tx = x + dx[mt[a[x][y]]] * b[x][y];
int ty = y + dy[mt[a[x][y]]] * b[x][y];
if(tx >= 1 && tx <= n && ty >= 1 && ty <= m && !r[tx][ty])
{
st[tx][ty] = true;
r[tx][ty] = true;
x = tx;
y = ty;
}
else
{
break;
}
}
bool is = true;
for(int i = 1; i <= n; i ++ )
{
for(int j = 1; j <= m; j ++ )
{
if(r[i][j] == false)
{
is = false;
}
}
}
if(is)
{
std:: cout << "Yes" << endl;
return ;
}
}
}
}
std:: cout << "No" << endl;
return ;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
mt['u'] = 3;
mt['l'] = 1;
mt['r'] = 0;
mt['d'] = 2;
int T;
std:: cin >> T;
while(T -- )
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3648kb
input:
2 2 3 rdd url 2 1 1 1 1 2 2 2 rr rr 1 1 1 1
output:
Yes No
result:
ok 2 token(s): yes count is 1, no count is 1
Test #2:
score: -100
Wrong Answer
time: 160ms
memory: 5712kb
input:
1109 5 8 rddddldl drruludl rrldrurd urrrlluu uurrulrl 4 4 1 2 4 3 1 6 1 3 5 1 1 1 3 6 2 4 1 1 2 1 1 1 2 3 4 2 4 3 3 3 4 1 1 2 2 5 1 5 7 9 rdrddrdll urrdruldl ruullrulu drrlrlddl rrrdddlll ruulururl ruurrlluu 7 1 1 1 2 1 2 3 6 1 7 3 1 3 1 2 1 8 2 2 1 2 4 3 1 2 2 2 2 4 1 1 5 3 3 1 3 4 6 1 2 1 2 7 7 6 ...
output:
Yes No No No Yes No Yes Yes Yes Yes No No No Yes Yes No Yes No Yes No No No Yes Yes No Yes Yes No No No No No No No Yes No No No No Yes Yes Yes No Yes No Yes No Yes Yes No Yes No Yes No Yes Yes No No Yes No Yes Yes Yes Yes No Yes Yes No Yes Yes No No No Yes No No Yes Yes No No Yes Yes Yes Yes No No ...
result:
wrong answer expected YES, found NO [29th token]