#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a,b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a,b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
/*
refs:
https://codeforces.com/blog/entry/74871?#comment-592237
*/
const int MOD = 1e9 + 7;
const int N = 5e3 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
vector<ll> adj[N];
void solve(int test_case)
{
ll m,n; cin >> m >> n;
vector<array<ll,4>> a(n+5);
rep1(i,n) rep(j,4) cin >> a[i][j];
rep1(i,n){
rep1(j,n){
if(i == j) conts;
auto [ti,li,ri,ci] = a[i];
auto [tj,lj,rj,cj] = a[j];
if(ti <= tj){
if(lj <= ri-(tj-ti-1)){
adj[i].pb(j);
}
}
else{
if(ri >= lj+(ti-tj-1)){
adj[i].pb(j);
}
}
}
}
priority_queue<pll,vector<pll>,greater<pll>> pq;
rep1(i,n){
auto [t,l,r,c] = a[i];
if(l == 1){
pq.push({c,i});
}
}
vector<bool> vis(n+5);
while(!pq.empty()){
auto [cost,u] = pq.top();
pq.pop();
if(a[u][2] == m){
cout << cost << endl;
return;
}
if(vis[u]) conts;
vis[u] = 1;
trav(v,adj[u]){
ll cost2 = cost+a[v][3];
pq.push({cost2,v});
}
}
cout << -1 << endl;
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
718 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
568 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
572 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
568 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
572 KB |
Output is correct |
20 |
Correct |
2218 ms |
196428 KB |
Output is correct |
21 |
Correct |
2229 ms |
194972 KB |
Output is correct |
22 |
Correct |
94 ms |
3460 KB |
Output is correct |
23 |
Correct |
84 ms |
3328 KB |
Output is correct |
24 |
Correct |
123 ms |
101872 KB |
Output is correct |
25 |
Correct |
765 ms |
73392 KB |
Output is correct |
26 |
Correct |
689 ms |
62336 KB |
Output is correct |
27 |
Correct |
777 ms |
75748 KB |
Output is correct |
28 |
Correct |
137 ms |
102844 KB |
Output is correct |
29 |
Correct |
526 ms |
68976 KB |
Output is correct |
30 |
Correct |
62 ms |
71308 KB |
Output is correct |
31 |
Correct |
67 ms |
76636 KB |
Output is correct |
32 |
Correct |
201 ms |
120912 KB |
Output is correct |
33 |
Correct |
221 ms |
189868 KB |
Output is correct |
34 |
Correct |
2009 ms |
137436 KB |
Output is correct |
35 |
Correct |
200 ms |
120916 KB |
Output is correct |
36 |
Correct |
207 ms |
188948 KB |
Output is correct |
37 |
Correct |
2304 ms |
137032 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
718 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |