//#pragma GCC optimize("Ofast,unroll-loops,O3")
//#pragma GCC optimize("avx,avx2,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,fma,tune=native")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
//#pragma pack(1)
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define int long long
#define pii pair<int,int>
#define x first
#define y second
#define N 105
using namespace std;
//using namespace __gnu_pbds;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
//typedef tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> order_multiset;
//typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> order_set;
int dp[N][N],n,m;
int arr[N][N];
signed main(){
fast
cin>>n>>m;
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++)
cin>>arr[i][j];
}
int q; cin>>q;
while (q--){
int x,y; cin>>x>>y;
arr[x][y]=1;
dp[1][1]=1;
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++){
if (!arr[i][j])
dp[i][j]=(dp[i-1][j]|dp[i][j-1]);
else dp[i][j]=0;
dp[1][1]=1;
}
}
if (dp[n][m])
cout<<1<<'\n';
else {
cout<<0<<'\n';
arr[x][y]=0;
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
340 KB |
Output is correct |
2 |
Correct |
36 ms |
468 KB |
Output is correct |
3 |
Correct |
80 ms |
528 KB |
Output is correct |
4 |
Correct |
188 ms |
544 KB |
Output is correct |
5 |
Correct |
208 ms |
676 KB |
Output is correct |
6 |
Correct |
253 ms |
580 KB |
Output is correct |
7 |
Correct |
178 ms |
572 KB |
Output is correct |
8 |
Correct |
188 ms |
688 KB |
Output is correct |
9 |
Correct |
143 ms |
584 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
340 KB |
Output is correct |
2 |
Correct |
36 ms |
468 KB |
Output is correct |
3 |
Correct |
80 ms |
528 KB |
Output is correct |
4 |
Correct |
188 ms |
544 KB |
Output is correct |
5 |
Correct |
208 ms |
676 KB |
Output is correct |
6 |
Correct |
253 ms |
580 KB |
Output is correct |
7 |
Correct |
178 ms |
572 KB |
Output is correct |
8 |
Correct |
188 ms |
688 KB |
Output is correct |
9 |
Correct |
143 ms |
584 KB |
Output is correct |
10 |
Incorrect |
2513 ms |
848 KB |
Output isn't correct |
11 |
Halted |
0 ms |
0 KB |
- |