#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll,ll>
#define pb push_back
#define fi first
#define se second
const ll N = 2003;
ll n,m,q,a,b;
ll l[N],r[N],s[N],e[N];
ll tmp[N];
ll ans[N][N];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> q;
for(int i=1; i<=m; i++) {
cin >> l[i] >> r[i];
ans[l[i]][r[i]] = true;
}
for(int i=1; i<=m; i++) {
for(int j=1; j<l[i]; j++) {
if(ans[j][l[i]-1]) {
ans[j][r[i]] = true;
}
}
}
while(q--) {
cin >> a >> b;
if(ans[a][b]) cout << "YES" << endl;
else cout << "NO" << endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
4556 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Incorrect |
2 ms |
4444 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |