/* Author: goats_9 */
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 500001;
const int K = 5;
int k, n, m, o;
int spt[N][17][K][K], ans[K][K], tmp[K][K];
void merge(int res[5][5], int a[5][5], int b[5][5]) {
for (int x = 0; x < k; x++) {
for (int y = 0; y < k; y++) {
for (int z = 0; z < k; z++) {
res[x][y] = min(res[x][y], a[x][z] + b[z][y]);
}
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> k >> n >> m >> o;
memset(spt, 0x3f, sizeof(spt));
for (int i = 0; i < m; i++) {
int a, b, t;
cin >> a >> b >> t;
spt[a/k][0][a%k][b%k] = t;
}
for (int j = 1; j < 17; j++) {
int bm = 1<<j;
for (int i = 0; i + bm < (n + k - 1) / k; i++) {
merge(spt[i][j], spt[i][j - 1], spt[i + bm/2][j - 1]);
}
}
while (o--) {
int a, b;
cin >> a >> b;
memset(ans, 0x3f, sizeof(ans));
for (int i = 0; i < 5; i++) ans[i][i] = 0;
for (int a1 = a / k, b1 = b / k, i = 16; i >= 0; i--) {
if (a1 + (1<<i) <= b1) {
memset(tmp, 0x3f, sizeof(tmp));
merge(tmp, ans, spt[a1][i]);
memcpy(ans, tmp, sizeof(ans));
a1 += (1<<i);
}
}
cout << (ans[a%k][b%k] == 0x3f3f3f3f ? -1 : ans[a%k][b%k]) << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
178 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
227 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
185 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
185 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
178 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |