#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define int long long
const int mxM = (int)5e3+10;
const int LINF = (int)1e18;
using pii = pair<int,int>;
int n, m, ans=LINF;
int dis[mxM], vis[mxM];
vector<pii> adj[mxM], v;
struct Project{ int t, l, r, c; } a[mxM];
int dijkstra(vector<pii> v){
fill(dis,dis+m,LINF); fill(vis,vis+m,0);
for(auto [u,w] : v) dis[u]=w;
for(int i = 0; i < m; i++){
int mn = LINF, a = -1;
for(int j = 0; j < m; j++)
if(!vis[j] and mn>dis[j]) mn=dis[j],a=j;
if(a==-1) break; vis[a]=1;
for(auto [b,w]: adj[a])
if(dis[a]+w < dis[b])
dis[b]=dis[a]+w;
}
int d = LINF;
for(int i = 0; i < m; i++)
if(a[i].r==n) d=min(d,dis[i]);
return d;
}
int32_t main() {
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> m;
for(int i = 0; i < m; i++)
cin >> a[i].t >> a[i].l >> a[i].r >> a[i].c;
for(int i = 0; i < m; i++)
for(int j = 0; j < m; j++)
if(a[i].r-abs(a[i].t-a[j].t)>=a[j].l-1 and i!=j)
adj[i].pb({j,a[j].c});
for(int i = 0; i < m; i++) if(a[i].l==1) v.pb({i,a[i].c});
ans = dijkstra(v);
cout << (ans==LINF?-1:ans);
}
Compilation message
treatment.cpp: In function 'long long int dijkstra(std::vector<std::pair<long long int, long long int> >)':
treatment.cpp:21:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
21 | if(a==-1) break; vis[a]=1;
| ^~
treatment.cpp:21:20: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
21 | if(a==-1) break; vis[a]=1;
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
6 ms |
1748 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
452 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
440 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
452 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
440 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
360 ms |
246104 KB |
Output is correct |
| 21 |
Correct |
377 ms |
245924 KB |
Output is correct |
| 22 |
Correct |
105 ms |
5948 KB |
Output is correct |
| 23 |
Correct |
84 ms |
5868 KB |
Output is correct |
| 24 |
Correct |
291 ms |
174600 KB |
Output is correct |
| 25 |
Correct |
177 ms |
117860 KB |
Output is correct |
| 26 |
Correct |
161 ms |
112356 KB |
Output is correct |
| 27 |
Correct |
189 ms |
137996 KB |
Output is correct |
| 28 |
Correct |
263 ms |
173160 KB |
Output is correct |
| 29 |
Correct |
182 ms |
116232 KB |
Output is correct |
| 30 |
Correct |
156 ms |
131872 KB |
Output is correct |
| 31 |
Correct |
163 ms |
140768 KB |
Output is correct |
| 32 |
Correct |
353 ms |
226608 KB |
Output is correct |
| 33 |
Correct |
455 ms |
355020 KB |
Output is correct |
| 34 |
Correct |
339 ms |
226628 KB |
Output is correct |
| 35 |
Correct |
370 ms |
226916 KB |
Output is correct |
| 36 |
Correct |
485 ms |
354928 KB |
Output is correct |
| 37 |
Correct |
322 ms |
226424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
6 ms |
1748 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
