#include <bits/stdc++.h>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
template <typename T >
using oset = tree < T, null_type, less < T > , rb_tree_tag, tree_order_statistics_node_update > ;
#define int long long
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define endl '\n'
using ll = long long;
using ld = long double;
#define send ios::sync_with_stdio(false);
#define help cin.tie(0);
void solve(int T);
const int N = 1005;
const int M = 405;
const int SQRT = sqrt(N);
const int LOG = 20;
const int INF = 1e12;
const int MOD = 45678;
const ld EPS = 1e-9;
int ans;
int n, m, q, l, r, x, y, mx, mn;
int32_t main(){
send help;
solve(1);
}
struct Dev{
ll i, a, b, c, d;
ll dp[2] = {INF, INF};
bool operator < (const Dev o) const {
return b < o.b;
}
};
Dev A[N];
void solve(int T){
cin>>n>>m;
for(int i = 0;i<n;i++){
cin>>A[i].a>>A[i].b>>A[i].c>>A[i].d;
A[i].i = i;
}
sort(A, A+n);
ans = INF;
for(int i = 0;i<n;i++){
if(A[i].a == 1) A[i].dp[0] = A[i].dp[1] = A[i].d;
for(int j = 0;j<n;j++){
if(A[i].i > A[j].i && A[i].a <= A[j].c && A[j].c <= A[i].b)A[i].dp[0] = min(A[i].dp[0], A[j].dp[0] + A[i].d);
else if(A[j].i > A[i].i && A[j].a <= A[i].c && A[i].c <= A[j].b)A[i].dp[1] = min(A[i].dp[1], min(A[j].dp[0] + A[i].d, A[j].dp[1] + A[i].d));
}
if(A[i].b == m){
ans = min(ans, min(A[i].dp[0], A[i].dp[1]));
}
}
if(ans == INF) cout<<-1<<endl;
else cout<<ans<<endl;
}
//Te molam da raboti !!
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
6 ms |
348 KB |
Output is correct |
| 18 |
Correct |
5 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
348 KB |
Output is correct |
| 20 |
Correct |
6 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
344 KB |
Output is correct |
| 23 |
Correct |
2 ms |
344 KB |
Output is correct |
| 24 |
Correct |
3 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
344 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
6 ms |
348 KB |
Output is correct |
| 18 |
Correct |
5 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
348 KB |
Output is correct |
| 20 |
Correct |
6 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
344 KB |
Output is correct |
| 23 |
Correct |
2 ms |
344 KB |
Output is correct |
| 24 |
Correct |
3 ms |
348 KB |
Output is correct |
| 25 |
Runtime error |
1 ms |
600 KB |
Execution killed with signal 11 |
| 26 |
Halted |
0 ms |
0 KB |
- |
