#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
const int N = (int)1e5 + 10;
const ll inf = (ll)1e18;
int T[N];
int L[N];
int R[N];
ll C[N];
ll dist[N];
bool pro[N];
int main(){
fastIO;
int n, m;
cin >> n >> m;
for(int i = 1; i <= m; i ++ ){
cin >> T[i] >> L[i] >> R[i] >> C[i];
}
for(int i = 1; i <= m ; i ++ ){
dist[i] = inf;
if(L[i] == 1){
dist[i] = C[i];
}
}
int low = -1;
ll outp = inf;
for(int go = 1; go <= m ; go ++ ){
low = -1;
for(int i = 1; i <= m ; i ++ ){
if(pro[i]) continue;
if(dist[i] == inf) continue;
if(low == -1 || dist[i] < dist[low]){
low = i;
}
}
if(low == -1) break;
pro[low] = true;
if(R[low] == n){
outp = min(outp, dist[low]);
}
for(int nex = 1; nex <= m ; nex ++ ){
if(pro[nex]) continue;
if(L[nex] > L[low]){
if(T[nex] >= T[low]){
if(R[low] + 1 - (T[nex] - T[low]) >= L[nex]){
dist[nex] = min(dist[nex], dist[low] + C[nex]);
}
}
else{
if((L[nex] - 1) + (T[low] - T[nex]) <= R[low]){
dist[nex] = min(dist[nex], dist[low] + C[nex]);
}
}
}
}
}
if(outp == inf)
cout << "-1\n";
else
cout << outp << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3068 ms |
6212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3068 ms |
6212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |