#include <bits/stdc++.h>
using namespace std;
int n, m;
int C[1010][1010];
int dp[110][110];
bool Check() {
memset(dp, 0, sizeof(dp));
dp[1][1] = 1;
for (int i=1; i<=n; i++) {
for (int j=1; j<=m; j++) {
if (C[i][j]) continue;
dp[i][j] |= dp[i-1][j];
dp[i][j] |= dp[i][j-1];
}
}
return dp[n][m];
}
int main() {
ios_base :: sync_with_stdio(false); cin.tie(NULL);
cin >> n >> m;
for (int i=1; i<=n; i++) {
for (int j=1; j<=m; j++) {
cin >> C[i][j];
}
}
int q;
cin >> q;
while (q --) {
int x, y;
cin >> x >> y;
C[x][y] = 1;
bool ret = Check();
cout << ret << '\n';
if (!ret) C[x][y] = 0;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
600 KB |
Output is correct |
2 |
Correct |
20 ms |
860 KB |
Output is correct |
3 |
Correct |
43 ms |
856 KB |
Output is correct |
4 |
Correct |
99 ms |
928 KB |
Output is correct |
5 |
Correct |
111 ms |
1104 KB |
Output is correct |
6 |
Correct |
149 ms |
976 KB |
Output is correct |
7 |
Correct |
126 ms |
964 KB |
Output is correct |
8 |
Correct |
214 ms |
860 KB |
Output is correct |
9 |
Correct |
119 ms |
988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
600 KB |
Output is correct |
2 |
Correct |
20 ms |
860 KB |
Output is correct |
3 |
Correct |
43 ms |
856 KB |
Output is correct |
4 |
Correct |
99 ms |
928 KB |
Output is correct |
5 |
Correct |
111 ms |
1104 KB |
Output is correct |
6 |
Correct |
149 ms |
976 KB |
Output is correct |
7 |
Correct |
126 ms |
964 KB |
Output is correct |
8 |
Correct |
214 ms |
860 KB |
Output is correct |
9 |
Correct |
119 ms |
988 KB |
Output is correct |
10 |
Incorrect |
3918 ms |
1036 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |