#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,popcnt,abm,mmx,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=array<int,2>;
using tii=array<int,3>;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...)
#endif
const int N=2005;
int n,m,s,k,p[N];
vector<tii> E;
ll ans;
int Find(int x){
if(!p[x]) return x;
return p[x]=Find(p[x]);
}
bool Union(int x,int y){
x=Find(x); y=Find(y);
if(x==y) return false;
p[y]=x; return true;
}
int main(){
ios::sync_with_stdio(false); cin.tie(0);
cin>>n>>m>>s>>k;
for(int l,r,s,e,c,i=1;i<=k;i++){
cin>>l>>r>>s>>e>>c;
for(int j=l;j<r;j++) E.push_back({c,j,j+1});
for(int j=s;j<e;j++) E.push_back({c,n+j,n+j+1});
E.push_back({c,l,n+s});
}
sort(E.begin(),E.end(),greater<>());
for(auto [c,u,v]: E) if(Union(u,v)) ans+=c;
for(int i=2;i<=n+m;i++) if(Find(1)!=Find(i)){
cout<<"-1\n";
return 0;
}
cout<<ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
1208 KB |
Output is correct |
3 |
Correct |
7 ms |
2004 KB |
Output is correct |
4 |
Correct |
2 ms |
856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
3536 KB |
Output is correct |
2 |
Correct |
38 ms |
8140 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
126 ms |
26304 KB |
Output is correct |
2 |
Correct |
3 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
128 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
89 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
56 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
58 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
56 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
59 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
55 ms |
131072 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |