#include <bits/stdc++.h>
using namespace std;
using di = pair<int, int>;
using vd = vector<di>;
vd dis;
const int MAXN = 2600;
int dp[MAXN][MAXN];
int _compute (int l, int r) {
if (l == 0 && r == dis.size() - 1) return 0;
if (dp[l][r] != -1) return dp[l][r];
dp[l][r] = 1e9;
for (int i = l; i <= r; i ++) {
dp[l][r] = min(
dp[l][r],
_compute(min(l, dis[i].first), max(r, dis[i].second)) + 1
);
}
return dp[l][r];
}
int compute (int l, int r) {
return _compute(l, r) >= 1e9 ? -1 : _compute(l, r);
}
int main () {
int N;
cin >> N;
for (int i = 0; i < N; i ++)
for (int j = 0; j < N; j ++)
dp[i][j] = -1;
dis = vd(N);
for (int i = 0; i < N; i ++) {
int l, r;
cin >> l >> r;
l --;
r --;
dis[i] = { l, r };
}
int Q; cin >> Q;
for (int i = 0; i < Q; i ++) {
int x; cin >> x;
x --;
cout << compute(x, x) << "\n";
}
}
Compilation message
passport.cpp: In function 'int _compute(int, int)':
passport.cpp:15:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | if (l == 0 && r == dis.size() - 1) return 0;
| ~~^~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Runtime error |
75 ms |
53964 KB |
Execution killed with signal 11 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1748 KB |
Output is correct |
14 |
Correct |
2 ms |
1788 KB |
Output is correct |
15 |
Correct |
6 ms |
1876 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1748 KB |
Output is correct |
14 |
Correct |
2 ms |
1788 KB |
Output is correct |
15 |
Correct |
6 ms |
1876 KB |
Output is correct |
16 |
Execution timed out |
2074 ms |
24020 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
296 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
3 ms |
1748 KB |
Output is correct |
12 |
Correct |
5 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1748 KB |
Output is correct |
14 |
Correct |
2 ms |
1788 KB |
Output is correct |
15 |
Correct |
6 ms |
1876 KB |
Output is correct |
16 |
Execution timed out |
2074 ms |
24020 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Runtime error |
75 ms |
53964 KB |
Execution killed with signal 11 |
5 |
Halted |
0 ms |
0 KB |
- |