//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int dx[4]={0,0,1,-1};
int dy[4]={1,-1,0,0};
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
const int mxn=1e5+5;
const ll inf=1e18;
int t[mxn],l[mxn],r[mxn],c[mxn];
vector<pair<int,int>> adj[mxn];
vector<ll> dij(int n){
vector<ll> d(n,inf);
d[0]=0;
priority_queue<pair<ll,int>,vector<pair<ll,int>>,greater<pair<ll,int>>> pq;
pq.push({0,0});
while(!pq.empty()){
auto tmp=pq.top();
pq.pop();
int v=tmp.s;
if(tmp.f!=d[v]) continue;
for(auto u:adj[v]){
if(d[v]+u.s<d[u.f]){
d[u.f]=d[v]+u.s;
pq.push({d[u.f],u.f});
}
}
}
return d;
}
int main() {_
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++){
for(int j=1;j<=m;j++){
if(i==j) continue;
int x=i,y=j;
if(t[x]<=t[y]){
if(r[x]+t[x]>=l[y]+t[y]-1) adj[x].push_back({y,c[y]});
}
else{
if(r[x]-t[x]>=l[y]-t[y]-1) adj[x].push_back({y,c[y]});
}
}
}
for(int i=1;i<=m;i++){
if(l[i]==1) adj[0].push_back({i,c[i]});
if(r[i]==n) adj[i].push_back({m+1,0});
}
vector<ll> d=dij(m+2);
cout<<(d[m+1]==inf?-1:d[m+1])<<'\n';
return 0;
}
//maybe its multiset not set
//yeeorz
//laborz
Compilation message
treatment.cpp: In function 'void setIO(std::string)':
treatment.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
15 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
treatment.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
905 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
3152 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2648 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
2648 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2648 KB |
Output is correct |
2 |
Correct |
1 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
1 ms |
3152 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2648 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
2648 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2652 KB |
Output is correct |
20 |
Correct |
269 ms |
131776 KB |
Output is correct |
21 |
Correct |
226 ms |
131324 KB |
Output is correct |
22 |
Correct |
91 ms |
5712 KB |
Output is correct |
23 |
Correct |
86 ms |
5460 KB |
Output is correct |
24 |
Correct |
146 ms |
95648 KB |
Output is correct |
25 |
Correct |
123 ms |
66288 KB |
Output is correct |
26 |
Correct |
103 ms |
63316 KB |
Output is correct |
27 |
Correct |
135 ms |
77104 KB |
Output is correct |
28 |
Correct |
146 ms |
94912 KB |
Output is correct |
29 |
Correct |
108 ms |
65504 KB |
Output is correct |
30 |
Correct |
107 ms |
73564 KB |
Output is correct |
31 |
Correct |
116 ms |
78676 KB |
Output is correct |
32 |
Correct |
235 ms |
122944 KB |
Output is correct |
33 |
Correct |
305 ms |
191472 KB |
Output is correct |
34 |
Correct |
229 ms |
121992 KB |
Output is correct |
35 |
Correct |
228 ms |
122964 KB |
Output is correct |
36 |
Correct |
285 ms |
191316 KB |
Output is correct |
37 |
Correct |
229 ms |
121936 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
905 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |