#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int) (x).size()
#define L first
#define R second
using namespace std;
typedef long long lint;
typedef pair<int,int> ii;
const lint inf = 1e17;
struct node{
int s, e, m;
lint val;
node *l = nullptr, *r = nullptr;
node(int S, int E){
s = S, e = E, m = (s+e)/2;
val = inf;
}
void create(){
if(s != e){
l = new node(s,m);
r = new node(m+1,e);
}
}
void update(int P, lint V){
val = min(val, V);
if(s == e) return;
else if(P <= m){
if(l == nullptr) create();
l->update(P,V);
}
else{
if(r == nullptr) create();
r->update(P,V);
}
}
lint query(int S, int E){
if(s == S && E == e) return val;
else{
if(l == nullptr) create();
if(E <= m) return l->query(S,E);
else if(S >= m+1) return r->query(S,E);
else return min(l->query(S,m), r->query(m+1,E));
}
}
} *Left, *Right;
int main(){
ios_base::sync_with_stdio(false); cin.tie(0);
int n, len; cin >> n >> len;
Left = new node(1, len), Right = new node(1, len);
Left->update(1, 0); Right->update(len, 0);
lint ans = inf;
for(int i = 0;i < n;i++){
int L, R, M, cost; cin >> L >> R >> M >> cost;
lint fromLeft = Left->query(L, R);
lint fromRight = Right->query(L, R);
ans = min(ans, fromLeft + fromRight + cost);
Left->update(M, fromLeft + cost);
Right->update(M, fromRight + cost);
}
if(ans == inf) ans = -1;
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
640 KB |
Output is correct |
11 |
Correct |
2 ms |
1024 KB |
Output is correct |
12 |
Correct |
3 ms |
2304 KB |
Output is correct |
13 |
Correct |
3 ms |
2432 KB |
Output is correct |
14 |
Correct |
3 ms |
2560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
640 KB |
Output is correct |
11 |
Correct |
2 ms |
1024 KB |
Output is correct |
12 |
Correct |
3 ms |
2304 KB |
Output is correct |
13 |
Correct |
3 ms |
2432 KB |
Output is correct |
14 |
Correct |
3 ms |
2560 KB |
Output is correct |
15 |
Correct |
1 ms |
512 KB |
Output is correct |
16 |
Correct |
2 ms |
1536 KB |
Output is correct |
17 |
Correct |
7 ms |
3840 KB |
Output is correct |
18 |
Correct |
2 ms |
640 KB |
Output is correct |
19 |
Correct |
12 ms |
8704 KB |
Output is correct |
20 |
Correct |
5 ms |
2688 KB |
Output is correct |
21 |
Correct |
4 ms |
2688 KB |
Output is correct |
22 |
Correct |
12 ms |
8576 KB |
Output is correct |
23 |
Correct |
13 ms |
9856 KB |
Output is correct |
24 |
Correct |
13 ms |
9984 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
640 KB |
Output is correct |
11 |
Correct |
2 ms |
1024 KB |
Output is correct |
12 |
Correct |
3 ms |
2304 KB |
Output is correct |
13 |
Correct |
3 ms |
2432 KB |
Output is correct |
14 |
Correct |
3 ms |
2560 KB |
Output is correct |
15 |
Correct |
1 ms |
512 KB |
Output is correct |
16 |
Correct |
2 ms |
1536 KB |
Output is correct |
17 |
Correct |
7 ms |
3840 KB |
Output is correct |
18 |
Correct |
2 ms |
640 KB |
Output is correct |
19 |
Correct |
12 ms |
8704 KB |
Output is correct |
20 |
Correct |
5 ms |
2688 KB |
Output is correct |
21 |
Correct |
4 ms |
2688 KB |
Output is correct |
22 |
Correct |
12 ms |
8576 KB |
Output is correct |
23 |
Correct |
13 ms |
9856 KB |
Output is correct |
24 |
Correct |
13 ms |
9984 KB |
Output is correct |
25 |
Correct |
50 ms |
15352 KB |
Output is correct |
26 |
Correct |
227 ms |
82532 KB |
Output is correct |
27 |
Correct |
555 ms |
141304 KB |
Output is correct |
28 |
Correct |
227 ms |
6648 KB |
Output is correct |
29 |
Correct |
468 ms |
168568 KB |
Output is correct |
30 |
Correct |
485 ms |
33532 KB |
Output is correct |
31 |
Correct |
959 ms |
304760 KB |
Output is correct |
32 |
Correct |
870 ms |
206072 KB |
Output is correct |
33 |
Correct |
118 ms |
70660 KB |
Output is correct |
34 |
Correct |
581 ms |
296696 KB |
Output is correct |
35 |
Runtime error |
754 ms |
524292 KB |
Execution killed with signal 9 |
36 |
Halted |
0 ms |
0 KB |
- |