#include <bits/stdc++.h>
#define f first
#define s second
#define int long long
using namespace std;
const int N = 5e4 + 69;
const int inf = 1e12;
int n, m, k, q, dis[N][6], d[N];
vector<pair<int, int>> g[N];
vector<pair<int, int>> dd[N];
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt = 1;
//cin >> tt;
while (tt--) {
cin >> k >> n >> m >> q;
const int B = 100 * k;
for (int i = 1;i <= m;i++) {
int a, b, c;
cin >> a >> b >> c;
g[a].push_back({b, c});
}
for (int i = 0;i < n;i++) {
int en = (i / B + 1) * B;
d[i] = 0;
for (int j = i + 1;j < en + k;j++)
d[j] = inf;
for (int j = i;j < en + k;j++) {
for (auto u : g[j]) {
d[u.f] = min(d[u.f], d[j] + u.s);
}
}
for (int j = en + k - 1;j >= en;j--)
dd[i].push_back({j, d[j]});
}
while (q--) {
int a, b;
cin >> a >> b;
int x = (b / B) * B;
for (int j = x;j <= b;j++)
d[j] = inf;
for (int j = a;j < a + k;j++)
d[j] = inf;
d[a] = 0;
while (a / B != b / B) {
int en = (a / B + 1) * B;
for (int j = en;j < en + k;j++)
d[j] = inf;
for (int j = a;j < a + k;j++) {
for (auto u : dd[j])
d[u.f] = inf;
}
for (int j = a;j < a + k;j++) {
for (auto u : dd[j])
d[u.f] = min(d[u.f], d[j] + u.s);
}
a = en;
}
for (int i = a;i < b;i++) {
for (auto u : g[i])
d[u.f] = min(d[u.f], d[i] + u.s);
}
if (d[b] >= inf)
cout << "-1\n";
else
cout << d[b] << '\n';
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
7760 KB |
Output is correct |
2 |
Correct |
1 ms |
4696 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4700 KB |
Output is correct |
5 |
Correct |
2 ms |
4700 KB |
Output is correct |
6 |
Correct |
2 ms |
4700 KB |
Output is correct |
7 |
Correct |
2 ms |
4700 KB |
Output is correct |
8 |
Correct |
39 ms |
8804 KB |
Output is correct |
9 |
Correct |
35 ms |
8540 KB |
Output is correct |
10 |
Correct |
17 ms |
6488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
69 ms |
9632 KB |
Output is correct |
2 |
Correct |
1 ms |
4696 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4700 KB |
Output is correct |
5 |
Correct |
2 ms |
4700 KB |
Output is correct |
6 |
Correct |
1 ms |
4696 KB |
Output is correct |
7 |
Correct |
5 ms |
4700 KB |
Output is correct |
8 |
Correct |
7 ms |
4956 KB |
Output is correct |
9 |
Correct |
40 ms |
8776 KB |
Output is correct |
10 |
Correct |
111 ms |
14676 KB |
Output is correct |
11 |
Correct |
70 ms |
11600 KB |
Output is correct |
12 |
Correct |
88 ms |
11924 KB |
Output is correct |
13 |
Correct |
114 ms |
15952 KB |
Output is correct |
14 |
Correct |
56 ms |
11092 KB |
Output is correct |
15 |
Correct |
69 ms |
12116 KB |
Output is correct |
16 |
Correct |
77 ms |
12172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4700 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4700 KB |
Output is correct |
5 |
Correct |
1 ms |
4700 KB |
Output is correct |
6 |
Correct |
1 ms |
4700 KB |
Output is correct |
7 |
Correct |
2 ms |
4696 KB |
Output is correct |
8 |
Correct |
5 ms |
4956 KB |
Output is correct |
9 |
Correct |
3 ms |
4956 KB |
Output is correct |
10 |
Correct |
24 ms |
8436 KB |
Output is correct |
11 |
Correct |
47 ms |
11088 KB |
Output is correct |
12 |
Correct |
97 ms |
14680 KB |
Output is correct |
13 |
Correct |
85 ms |
15380 KB |
Output is correct |
14 |
Correct |
67 ms |
13396 KB |
Output is correct |
15 |
Correct |
62 ms |
12116 KB |
Output is correct |
16 |
Correct |
60 ms |
11956 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4700 KB |
Output is correct |
2 |
Correct |
1 ms |
4700 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4700 KB |
Output is correct |
5 |
Correct |
1 ms |
4700 KB |
Output is correct |
6 |
Correct |
1 ms |
4700 KB |
Output is correct |
7 |
Correct |
2 ms |
4696 KB |
Output is correct |
8 |
Correct |
5 ms |
4956 KB |
Output is correct |
9 |
Correct |
3 ms |
4956 KB |
Output is correct |
10 |
Correct |
24 ms |
8436 KB |
Output is correct |
11 |
Correct |
47 ms |
11088 KB |
Output is correct |
12 |
Correct |
97 ms |
14680 KB |
Output is correct |
13 |
Correct |
85 ms |
15380 KB |
Output is correct |
14 |
Correct |
67 ms |
13396 KB |
Output is correct |
15 |
Correct |
62 ms |
12116 KB |
Output is correct |
16 |
Correct |
60 ms |
11956 KB |
Output is correct |
17 |
Correct |
52 ms |
11092 KB |
Output is correct |
18 |
Correct |
1 ms |
4696 KB |
Output is correct |
19 |
Correct |
1 ms |
4700 KB |
Output is correct |
20 |
Correct |
1 ms |
4700 KB |
Output is correct |
21 |
Correct |
1 ms |
4700 KB |
Output is correct |
22 |
Correct |
1 ms |
4700 KB |
Output is correct |
23 |
Correct |
3 ms |
4760 KB |
Output is correct |
24 |
Correct |
4 ms |
4700 KB |
Output is correct |
25 |
Correct |
8 ms |
4956 KB |
Output is correct |
26 |
Correct |
5 ms |
4964 KB |
Output is correct |
27 |
Correct |
27 ms |
8540 KB |
Output is correct |
28 |
Correct |
85 ms |
14732 KB |
Output is correct |
29 |
Correct |
89 ms |
15424 KB |
Output is correct |
30 |
Correct |
74 ms |
13652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
37 ms |
7760 KB |
Output is correct |
2 |
Correct |
1 ms |
4696 KB |
Output is correct |
3 |
Correct |
1 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4700 KB |
Output is correct |
5 |
Correct |
2 ms |
4700 KB |
Output is correct |
6 |
Correct |
2 ms |
4700 KB |
Output is correct |
7 |
Correct |
2 ms |
4700 KB |
Output is correct |
8 |
Correct |
39 ms |
8804 KB |
Output is correct |
9 |
Correct |
35 ms |
8540 KB |
Output is correct |
10 |
Correct |
17 ms |
6488 KB |
Output is correct |
11 |
Correct |
69 ms |
9632 KB |
Output is correct |
12 |
Correct |
1 ms |
4696 KB |
Output is correct |
13 |
Correct |
1 ms |
4700 KB |
Output is correct |
14 |
Correct |
1 ms |
4700 KB |
Output is correct |
15 |
Correct |
2 ms |
4700 KB |
Output is correct |
16 |
Correct |
1 ms |
4696 KB |
Output is correct |
17 |
Correct |
5 ms |
4700 KB |
Output is correct |
18 |
Correct |
7 ms |
4956 KB |
Output is correct |
19 |
Correct |
40 ms |
8776 KB |
Output is correct |
20 |
Correct |
111 ms |
14676 KB |
Output is correct |
21 |
Correct |
70 ms |
11600 KB |
Output is correct |
22 |
Correct |
88 ms |
11924 KB |
Output is correct |
23 |
Correct |
114 ms |
15952 KB |
Output is correct |
24 |
Correct |
56 ms |
11092 KB |
Output is correct |
25 |
Correct |
69 ms |
12116 KB |
Output is correct |
26 |
Correct |
77 ms |
12172 KB |
Output is correct |
27 |
Correct |
1 ms |
4700 KB |
Output is correct |
28 |
Correct |
1 ms |
4700 KB |
Output is correct |
29 |
Correct |
1 ms |
4700 KB |
Output is correct |
30 |
Correct |
1 ms |
4700 KB |
Output is correct |
31 |
Correct |
1 ms |
4700 KB |
Output is correct |
32 |
Correct |
1 ms |
4700 KB |
Output is correct |
33 |
Correct |
2 ms |
4696 KB |
Output is correct |
34 |
Correct |
5 ms |
4956 KB |
Output is correct |
35 |
Correct |
3 ms |
4956 KB |
Output is correct |
36 |
Correct |
24 ms |
8436 KB |
Output is correct |
37 |
Correct |
47 ms |
11088 KB |
Output is correct |
38 |
Correct |
97 ms |
14680 KB |
Output is correct |
39 |
Correct |
85 ms |
15380 KB |
Output is correct |
40 |
Correct |
67 ms |
13396 KB |
Output is correct |
41 |
Correct |
62 ms |
12116 KB |
Output is correct |
42 |
Correct |
60 ms |
11956 KB |
Output is correct |
43 |
Correct |
52 ms |
11092 KB |
Output is correct |
44 |
Correct |
1 ms |
4696 KB |
Output is correct |
45 |
Correct |
1 ms |
4700 KB |
Output is correct |
46 |
Correct |
1 ms |
4700 KB |
Output is correct |
47 |
Correct |
1 ms |
4700 KB |
Output is correct |
48 |
Correct |
1 ms |
4700 KB |
Output is correct |
49 |
Correct |
3 ms |
4760 KB |
Output is correct |
50 |
Correct |
4 ms |
4700 KB |
Output is correct |
51 |
Correct |
8 ms |
4956 KB |
Output is correct |
52 |
Correct |
5 ms |
4964 KB |
Output is correct |
53 |
Correct |
27 ms |
8540 KB |
Output is correct |
54 |
Correct |
85 ms |
14732 KB |
Output is correct |
55 |
Correct |
89 ms |
15424 KB |
Output is correct |
56 |
Correct |
74 ms |
13652 KB |
Output is correct |
57 |
Correct |
158 ms |
16212 KB |
Output is correct |
58 |
Correct |
40 ms |
8808 KB |
Output is correct |
59 |
Correct |
70 ms |
11348 KB |
Output is correct |