#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
const int maxn = 1e5 + 2;
int n,m;
struct node {
int64 v;
node* left;
node* right;
node(int64 _v): v(_v) {};
void extend() {
if (left != NULL) return;
left = new node(1e15);
right = new node(1e15);
}
int64 query (int l, int r, int il, int ir) {
if (il <= l && r <= ir) return v;
if (l > ir || r < il) return 1e15;
extend();
int mid = (l + r) / 2;
return min(left->query(l, mid, il, ir), right->query(mid + 1, r, il, ir));
}
void update (int l, int r, int x, int64 nval) {
if (l == r && l == x) return void(v = min(v, nval));
if (l > x || r < x) return;
extend();
int mid = (l + r) / 2;
left->update(l, mid, x, nval);
right->update(mid + 1, r, x, nval);
v = min(left->v, right->v);
}
};
int main() {
cin >> n >> m;
node* lf = new node(1e15);
node* rt = new node(1e15);
int64 rs = 1e15;
lf->update(1, m, 1, 0);
rt->update(1, m, m, 0);
for (int i = 0; i < n; i++){
int64 a,b,c,cost;
cin >> a >> b >> c >> cost;
int64 p1 = lf->query(1, m, a,b);
int64 p2 = rt->query(1, m, a,b);
rs = min(rs, p1 + p2 + cost);
lf->update(1, m, c, p1 + cost);
rt->update(1, m, c, p2 + cost);
}
cout << (rs >= 1e15 ? -1: rs);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
2 ms |
724 KB |
Output is correct |
12 |
Correct |
3 ms |
1492 KB |
Output is correct |
13 |
Correct |
2 ms |
1584 KB |
Output is correct |
14 |
Correct |
5 ms |
1748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
2 ms |
724 KB |
Output is correct |
12 |
Correct |
3 ms |
1492 KB |
Output is correct |
13 |
Correct |
2 ms |
1584 KB |
Output is correct |
14 |
Correct |
5 ms |
1748 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
2 ms |
1108 KB |
Output is correct |
17 |
Correct |
7 ms |
2644 KB |
Output is correct |
18 |
Correct |
5 ms |
340 KB |
Output is correct |
19 |
Correct |
15 ms |
5812 KB |
Output is correct |
20 |
Correct |
6 ms |
1920 KB |
Output is correct |
21 |
Correct |
3 ms |
1748 KB |
Output is correct |
22 |
Correct |
11 ms |
5716 KB |
Output is correct |
23 |
Correct |
11 ms |
6568 KB |
Output is correct |
24 |
Correct |
11 ms |
6712 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 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 |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
2 ms |
724 KB |
Output is correct |
12 |
Correct |
3 ms |
1492 KB |
Output is correct |
13 |
Correct |
2 ms |
1584 KB |
Output is correct |
14 |
Correct |
5 ms |
1748 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
2 ms |
1108 KB |
Output is correct |
17 |
Correct |
7 ms |
2644 KB |
Output is correct |
18 |
Correct |
5 ms |
340 KB |
Output is correct |
19 |
Correct |
15 ms |
5812 KB |
Output is correct |
20 |
Correct |
6 ms |
1920 KB |
Output is correct |
21 |
Correct |
3 ms |
1748 KB |
Output is correct |
22 |
Correct |
11 ms |
5716 KB |
Output is correct |
23 |
Correct |
11 ms |
6568 KB |
Output is correct |
24 |
Correct |
11 ms |
6712 KB |
Output is correct |
25 |
Correct |
42 ms |
10300 KB |
Output is correct |
26 |
Correct |
181 ms |
54800 KB |
Output is correct |
27 |
Correct |
462 ms |
92904 KB |
Output is correct |
28 |
Correct |
331 ms |
2324 KB |
Output is correct |
29 |
Correct |
425 ms |
111440 KB |
Output is correct |
30 |
Correct |
445 ms |
20056 KB |
Output is correct |
31 |
Correct |
795 ms |
200920 KB |
Output is correct |
32 |
Correct |
696 ms |
135340 KB |
Output is correct |
33 |
Correct |
115 ms |
47000 KB |
Output is correct |
34 |
Correct |
460 ms |
197080 KB |
Output is correct |
35 |
Correct |
775 ms |
393036 KB |
Output is correct |
36 |
Execution timed out |
1060 ms |
401980 KB |
Time limit exceeded |
37 |
Halted |
0 ms |
0 KB |
- |