//#pragma optimize("Ofast")
//#pragma optimize("unroll-loops")
//#pragma traget("avx,avx2")
#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define el '\n'
#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define point pair <ll, ll>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using namespace std;
#include <random>
mt19937 rnd(time(0));
const ll INF = 1e18 + 10;
const ll inf = 1e9 + 10;
const ll maxn = 1e3 + 10;
const ll mod = 1e9 + 7;
const ll K = 7e6 + 100;
const ll LOG = 20;
bool dp[maxn][maxn];
ll a[maxn][maxn];
void solve() {
ll n, m;
cin >> n >> m;
for (ll i = 1; i <= n; i++)
for (ll j = 1; j <= m; j++)
cin >> a[i][j], a[i][j] ^= 1;
ll q;
cin >> q;
dp[0][1] = 1;
while (q--) {
ll x, y;
cin >> x >> y;
for (ll i = 1; i <= n; i++)
for (ll j = 1; j <= m; j++)
dp[i][j] = 0;
a[x][y] = 0;
for (ll i = 1; i <= n; i++)
for (ll j = 1; j <= m; j++)
dp[i][j] = (dp[i - 1][j] | dp[i][j - 1]) & a[i][j];
if (dp[n][m])
cout << 1 << el;
else
cout << 0 << el, a[x][y] = 1;
}
return;
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int tests = 1;
//cin >> tests;
while (tests--)
solve();
return 0;
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
856 KB |
Output is correct |
2 |
Correct |
72 ms |
856 KB |
Output is correct |
3 |
Correct |
158 ms |
856 KB |
Output is correct |
4 |
Correct |
362 ms |
1104 KB |
Output is correct |
5 |
Correct |
408 ms |
1116 KB |
Output is correct |
6 |
Correct |
515 ms |
1144 KB |
Output is correct |
7 |
Correct |
517 ms |
1360 KB |
Output is correct |
8 |
Correct |
518 ms |
1112 KB |
Output is correct |
9 |
Correct |
515 ms |
1112 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
856 KB |
Output is correct |
2 |
Correct |
72 ms |
856 KB |
Output is correct |
3 |
Correct |
158 ms |
856 KB |
Output is correct |
4 |
Correct |
362 ms |
1104 KB |
Output is correct |
5 |
Correct |
408 ms |
1116 KB |
Output is correct |
6 |
Correct |
515 ms |
1144 KB |
Output is correct |
7 |
Correct |
517 ms |
1360 KB |
Output is correct |
8 |
Correct |
518 ms |
1112 KB |
Output is correct |
9 |
Correct |
515 ms |
1112 KB |
Output is correct |
10 |
Execution timed out |
5064 ms |
1276 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |