#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define fm first
#define t second
const int MAXN = 5e4 + 10;
vector<pii> rec[MAXN];
int ans[MAXN];
void calc(int a, int b) {
for (int i = max(a - 5, 0); i <= b; i++) ans[i] = -1;
ans[a] = 0;
for (int i = a + 1; i <= b; i++) {
for (auto u : rec[i]) {
if (ans[u.fm] != -1) {
if (ans[i] == -1) ans[i] = (ans[u.fm] + u.t);
else ans[i] = min(ans[i], ans[u.fm] + u.t);
}
}
}
}
int32_t main() {
int k, n, m, o;
cin >> k >> n >> m >> o;
for (int i = 0; i < m; i++) {
int a, b, toll;
cin >> a >> b >> toll;
rec[b].push_back({a, toll});
}
for (int i = 0; i < o; i++) {
int a, b;
cin >> a >> b;
calc(a, b);
cout << ans[b] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
468 ms |
4304 KB |
Output is correct |
2 |
Correct |
2 ms |
1620 KB |
Output is correct |
3 |
Correct |
1 ms |
1620 KB |
Output is correct |
4 |
Correct |
1 ms |
1616 KB |
Output is correct |
5 |
Correct |
4 ms |
1620 KB |
Output is correct |
6 |
Correct |
4 ms |
1620 KB |
Output is correct |
7 |
Correct |
4 ms |
1784 KB |
Output is correct |
8 |
Correct |
389 ms |
4180 KB |
Output is correct |
9 |
Correct |
379 ms |
4180 KB |
Output is correct |
10 |
Correct |
150 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1142 ms |
4856 KB |
Output is correct |
2 |
Correct |
2 ms |
1620 KB |
Output is correct |
3 |
Correct |
2 ms |
1620 KB |
Output is correct |
4 |
Correct |
1 ms |
1620 KB |
Output is correct |
5 |
Correct |
1 ms |
1620 KB |
Output is correct |
6 |
Correct |
1 ms |
1620 KB |
Output is correct |
7 |
Correct |
25 ms |
1756 KB |
Output is correct |
8 |
Correct |
35 ms |
1620 KB |
Output is correct |
9 |
Correct |
540 ms |
4172 KB |
Output is correct |
10 |
Correct |
1879 ms |
6540 KB |
Output is correct |
11 |
Correct |
1346 ms |
4940 KB |
Output is correct |
12 |
Correct |
1412 ms |
4572 KB |
Output is correct |
13 |
Correct |
619 ms |
6732 KB |
Output is correct |
14 |
Correct |
370 ms |
4684 KB |
Output is correct |
15 |
Correct |
427 ms |
4172 KB |
Output is correct |
16 |
Correct |
424 ms |
4172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1620 KB |
Output is correct |
2 |
Correct |
1 ms |
1748 KB |
Output is correct |
3 |
Correct |
1 ms |
1364 KB |
Output is correct |
4 |
Correct |
1 ms |
1620 KB |
Output is correct |
5 |
Incorrect |
1 ms |
1620 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1620 KB |
Output is correct |
2 |
Correct |
1 ms |
1748 KB |
Output is correct |
3 |
Correct |
1 ms |
1364 KB |
Output is correct |
4 |
Correct |
1 ms |
1620 KB |
Output is correct |
5 |
Incorrect |
1 ms |
1620 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
468 ms |
4304 KB |
Output is correct |
2 |
Correct |
2 ms |
1620 KB |
Output is correct |
3 |
Correct |
1 ms |
1620 KB |
Output is correct |
4 |
Correct |
1 ms |
1616 KB |
Output is correct |
5 |
Correct |
4 ms |
1620 KB |
Output is correct |
6 |
Correct |
4 ms |
1620 KB |
Output is correct |
7 |
Correct |
4 ms |
1784 KB |
Output is correct |
8 |
Correct |
389 ms |
4180 KB |
Output is correct |
9 |
Correct |
379 ms |
4180 KB |
Output is correct |
10 |
Correct |
150 ms |
1868 KB |
Output is correct |
11 |
Correct |
1142 ms |
4856 KB |
Output is correct |
12 |
Correct |
2 ms |
1620 KB |
Output is correct |
13 |
Correct |
2 ms |
1620 KB |
Output is correct |
14 |
Correct |
1 ms |
1620 KB |
Output is correct |
15 |
Correct |
1 ms |
1620 KB |
Output is correct |
16 |
Correct |
1 ms |
1620 KB |
Output is correct |
17 |
Correct |
25 ms |
1756 KB |
Output is correct |
18 |
Correct |
35 ms |
1620 KB |
Output is correct |
19 |
Correct |
540 ms |
4172 KB |
Output is correct |
20 |
Correct |
1879 ms |
6540 KB |
Output is correct |
21 |
Correct |
1346 ms |
4940 KB |
Output is correct |
22 |
Correct |
1412 ms |
4572 KB |
Output is correct |
23 |
Correct |
619 ms |
6732 KB |
Output is correct |
24 |
Correct |
370 ms |
4684 KB |
Output is correct |
25 |
Correct |
427 ms |
4172 KB |
Output is correct |
26 |
Correct |
424 ms |
4172 KB |
Output is correct |
27 |
Correct |
2 ms |
1620 KB |
Output is correct |
28 |
Correct |
1 ms |
1748 KB |
Output is correct |
29 |
Correct |
1 ms |
1364 KB |
Output is correct |
30 |
Correct |
1 ms |
1620 KB |
Output is correct |
31 |
Incorrect |
1 ms |
1620 KB |
Output isn't correct |
32 |
Halted |
0 ms |
0 KB |
- |