QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #500431 | #6723. Grid with Arrows | Umok | WA | 519ms | 11648kb | C++20 | 1.7kb | 2024-08-01 11:43:55 | 2024-08-01 11:43:56 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
const int N = 2e5 + 5;
#define int long long
typedef pair<int, int> PII;
#define MAX LONG_LONG_MAX
char mp[N];
int st[N], ar[N], f[N];
int n, m, ans;
int dfs(int x, int y, int deep)
{
if (st[(x - 1) * m + y])
return 0;
if (deep == ans)
return 1;
f[(x - 1) * m + y] = 1;
st[(x - 1) * m + y] = 1;
int xx = x, yy = y;
if (mp[(x - 1) * m + y] == 'r')
yy += ar[(x - 1) * m + y];
else if (mp[(x - 1) * m + y] == 'd')
xx += ar[(x - 1) * m + y];
else if (mp[(x - 1) * m + y] == 'l')
yy -= ar[(x - 1) * m + y];
else
xx -= ar[(x - 1) * m + y];
if (xx < 1 || xx > n || yy < 1 || yy > m)
return 0;
if (dfs(xx, yy, deep + 1))
return 1;
st[(x - 1) * m + y] = 0;
return 0;
}
void solve()
{
cin >> n >> m;
ans = n * m;
memset(ar, 0, sizeof ar);
memset(f, 0, sizeof f);
memset(st, 0, sizeof st);
for (int i = 1; i <= n; i++)
scanf("%s", mp + 1 + (i - 1) * m);
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
{
int x;
cin >> x;
ar[(i - 1) * m + j] = x;
}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
{
if (!f[(i - 1) * m + j])
if (dfs(i, j, 1))
{
cout << "Yes" << endl;
return;
}
}
cout << "No" << endl;
}
signed main()
{
int tcase;
cin >> tcase;
while (tcase--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 8444kb
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: 519ms
memory: 11648kb
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 No No Yes No No Yes No No Yes Yes Yes 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 Yes Yes No No Yes Yes No No Yes Yes Yes Yes Ye...
result:
wrong answer expected YES, found NO [27th token]