#include <bits/stdc++.h>
using namespace std;
int k, n, m, o;
int dp[50000][17][5][5], ans[5][5], tmp[5][5];
void combine(int target[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++) target[x][y] = min(target[x][y], a[x][z] + b[z][y]);
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> k >> n >> m >> o;
memset(dp, 0x3f, sizeof dp);
while (m--) {
int a, b, t;
cin >> a >> b >> t;
dp[a / k][0][a % k][b % k] = t;
}
for (int j = 1; j < 17; j++) for (int i = 0; i + (1 << j) < (n + k - 1) / k; i++) combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][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 curr = a / k, dest = b / k, i = 16; ~i; i--) {
if (curr + (1 << i) <= dest) {
memset(tmp, 0x3f, sizeof tmp);
combine(tmp, ans, dp[curr][i]);
memcpy(ans, tmp, sizeof ans);
curr += (1 << i);
}
}
cout << (ans[a % k][b % k] == 0x3f3f3f3f ? -1 : ans[a % k][b % k]) << '\n';
}
return 0;
}
Compilation message
toll.cpp: In function 'int main()':
toll.cpp:21:131: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
21 | for (int j = 1; j < 17; j++) for (int i = 0; i + (1 << j) < (n + k - 1) / k; i++) combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][j - 1]);
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
64 ms |
84480 KB |
Output is correct |
2 |
Correct |
14 ms |
83544 KB |
Output is correct |
3 |
Correct |
11 ms |
83544 KB |
Output is correct |
4 |
Correct |
11 ms |
83544 KB |
Output is correct |
5 |
Correct |
12 ms |
83544 KB |
Output is correct |
6 |
Correct |
12 ms |
83548 KB |
Output is correct |
7 |
Correct |
12 ms |
83548 KB |
Output is correct |
8 |
Correct |
45 ms |
84308 KB |
Output is correct |
9 |
Correct |
43 ms |
84312 KB |
Output is correct |
10 |
Correct |
29 ms |
83548 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
52 ms |
85076 KB |
Output is correct |
2 |
Correct |
11 ms |
83548 KB |
Output is correct |
3 |
Correct |
11 ms |
83456 KB |
Output is correct |
4 |
Correct |
11 ms |
83548 KB |
Output is correct |
5 |
Correct |
11 ms |
83548 KB |
Output is correct |
6 |
Correct |
11 ms |
83408 KB |
Output is correct |
7 |
Correct |
14 ms |
83548 KB |
Output is correct |
8 |
Correct |
14 ms |
83548 KB |
Output is correct |
9 |
Correct |
41 ms |
84308 KB |
Output is correct |
10 |
Correct |
58 ms |
85844 KB |
Output is correct |
11 |
Correct |
55 ms |
85252 KB |
Output is correct |
12 |
Correct |
50 ms |
84828 KB |
Output is correct |
13 |
Correct |
51 ms |
85840 KB |
Output is correct |
14 |
Correct |
39 ms |
85072 KB |
Output is correct |
15 |
Correct |
37 ms |
84828 KB |
Output is correct |
16 |
Correct |
39 ms |
84684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
83548 KB |
Output is correct |
2 |
Correct |
11 ms |
83548 KB |
Output is correct |
3 |
Correct |
13 ms |
83488 KB |
Output is correct |
4 |
Correct |
12 ms |
83548 KB |
Output is correct |
5 |
Correct |
11 ms |
83544 KB |
Output is correct |
6 |
Correct |
12 ms |
83548 KB |
Output is correct |
7 |
Correct |
12 ms |
83636 KB |
Output is correct |
8 |
Correct |
12 ms |
83500 KB |
Output is correct |
9 |
Correct |
12 ms |
83472 KB |
Output is correct |
10 |
Correct |
36 ms |
84316 KB |
Output is correct |
11 |
Correct |
48 ms |
85072 KB |
Output is correct |
12 |
Correct |
53 ms |
85772 KB |
Output is correct |
13 |
Correct |
57 ms |
86032 KB |
Output is correct |
14 |
Correct |
49 ms |
85328 KB |
Output is correct |
15 |
Correct |
34 ms |
84560 KB |
Output is correct |
16 |
Correct |
35 ms |
84560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
83548 KB |
Output is correct |
2 |
Correct |
11 ms |
83548 KB |
Output is correct |
3 |
Correct |
13 ms |
83488 KB |
Output is correct |
4 |
Correct |
12 ms |
83548 KB |
Output is correct |
5 |
Correct |
11 ms |
83544 KB |
Output is correct |
6 |
Correct |
12 ms |
83548 KB |
Output is correct |
7 |
Correct |
12 ms |
83636 KB |
Output is correct |
8 |
Correct |
12 ms |
83500 KB |
Output is correct |
9 |
Correct |
12 ms |
83472 KB |
Output is correct |
10 |
Correct |
36 ms |
84316 KB |
Output is correct |
11 |
Correct |
48 ms |
85072 KB |
Output is correct |
12 |
Correct |
53 ms |
85772 KB |
Output is correct |
13 |
Correct |
57 ms |
86032 KB |
Output is correct |
14 |
Correct |
49 ms |
85328 KB |
Output is correct |
15 |
Correct |
34 ms |
84560 KB |
Output is correct |
16 |
Correct |
35 ms |
84560 KB |
Output is correct |
17 |
Correct |
51 ms |
85128 KB |
Output is correct |
18 |
Correct |
11 ms |
83600 KB |
Output is correct |
19 |
Correct |
11 ms |
83548 KB |
Output is correct |
20 |
Correct |
12 ms |
83544 KB |
Output is correct |
21 |
Correct |
11 ms |
83548 KB |
Output is correct |
22 |
Correct |
11 ms |
83544 KB |
Output is correct |
23 |
Correct |
12 ms |
83544 KB |
Output is correct |
24 |
Correct |
13 ms |
83544 KB |
Output is correct |
25 |
Correct |
13 ms |
83548 KB |
Output is correct |
26 |
Correct |
13 ms |
83548 KB |
Output is correct |
27 |
Correct |
39 ms |
84256 KB |
Output is correct |
28 |
Correct |
58 ms |
85636 KB |
Output is correct |
29 |
Correct |
58 ms |
86048 KB |
Output is correct |
30 |
Correct |
53 ms |
85332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
64 ms |
84480 KB |
Output is correct |
2 |
Correct |
14 ms |
83544 KB |
Output is correct |
3 |
Correct |
11 ms |
83544 KB |
Output is correct |
4 |
Correct |
11 ms |
83544 KB |
Output is correct |
5 |
Correct |
12 ms |
83544 KB |
Output is correct |
6 |
Correct |
12 ms |
83548 KB |
Output is correct |
7 |
Correct |
12 ms |
83548 KB |
Output is correct |
8 |
Correct |
45 ms |
84308 KB |
Output is correct |
9 |
Correct |
43 ms |
84312 KB |
Output is correct |
10 |
Correct |
29 ms |
83548 KB |
Output is correct |
11 |
Correct |
52 ms |
85076 KB |
Output is correct |
12 |
Correct |
11 ms |
83548 KB |
Output is correct |
13 |
Correct |
11 ms |
83456 KB |
Output is correct |
14 |
Correct |
11 ms |
83548 KB |
Output is correct |
15 |
Correct |
11 ms |
83548 KB |
Output is correct |
16 |
Correct |
11 ms |
83408 KB |
Output is correct |
17 |
Correct |
14 ms |
83548 KB |
Output is correct |
18 |
Correct |
14 ms |
83548 KB |
Output is correct |
19 |
Correct |
41 ms |
84308 KB |
Output is correct |
20 |
Correct |
58 ms |
85844 KB |
Output is correct |
21 |
Correct |
55 ms |
85252 KB |
Output is correct |
22 |
Correct |
50 ms |
84828 KB |
Output is correct |
23 |
Correct |
51 ms |
85840 KB |
Output is correct |
24 |
Correct |
39 ms |
85072 KB |
Output is correct |
25 |
Correct |
37 ms |
84828 KB |
Output is correct |
26 |
Correct |
39 ms |
84684 KB |
Output is correct |
27 |
Correct |
12 ms |
83548 KB |
Output is correct |
28 |
Correct |
11 ms |
83548 KB |
Output is correct |
29 |
Correct |
13 ms |
83488 KB |
Output is correct |
30 |
Correct |
12 ms |
83548 KB |
Output is correct |
31 |
Correct |
11 ms |
83544 KB |
Output is correct |
32 |
Correct |
12 ms |
83548 KB |
Output is correct |
33 |
Correct |
12 ms |
83636 KB |
Output is correct |
34 |
Correct |
12 ms |
83500 KB |
Output is correct |
35 |
Correct |
12 ms |
83472 KB |
Output is correct |
36 |
Correct |
36 ms |
84316 KB |
Output is correct |
37 |
Correct |
48 ms |
85072 KB |
Output is correct |
38 |
Correct |
53 ms |
85772 KB |
Output is correct |
39 |
Correct |
57 ms |
86032 KB |
Output is correct |
40 |
Correct |
49 ms |
85328 KB |
Output is correct |
41 |
Correct |
34 ms |
84560 KB |
Output is correct |
42 |
Correct |
35 ms |
84560 KB |
Output is correct |
43 |
Correct |
51 ms |
85128 KB |
Output is correct |
44 |
Correct |
11 ms |
83600 KB |
Output is correct |
45 |
Correct |
11 ms |
83548 KB |
Output is correct |
46 |
Correct |
12 ms |
83544 KB |
Output is correct |
47 |
Correct |
11 ms |
83548 KB |
Output is correct |
48 |
Correct |
11 ms |
83544 KB |
Output is correct |
49 |
Correct |
12 ms |
83544 KB |
Output is correct |
50 |
Correct |
13 ms |
83544 KB |
Output is correct |
51 |
Correct |
13 ms |
83548 KB |
Output is correct |
52 |
Correct |
13 ms |
83548 KB |
Output is correct |
53 |
Correct |
39 ms |
84256 KB |
Output is correct |
54 |
Correct |
58 ms |
85636 KB |
Output is correct |
55 |
Correct |
58 ms |
86048 KB |
Output is correct |
56 |
Correct |
53 ms |
85332 KB |
Output is correct |
57 |
Correct |
72 ms |
86864 KB |
Output is correct |
58 |
Correct |
48 ms |
84316 KB |
Output is correct |
59 |
Correct |
65 ms |
85640 KB |
Output is correct |