#include <bits/stdc++.h>
using namespace std;
int main()
{
long long n,m;
cin>>m>>n;
long long a[m],b[m],c[m],d[m];
set<long long> s;
for(long long i=0; i<m; i++)
{
cin>>a[i]>>b[i]>>c[i]>>d[i];
a[i]--;b[i]--;c[i]--;
for(long long k=a[i]; k<=b[i]; k++)s.insert(k);
}
if(s.size()!=n)
{
cout<<-1<<endl;
return 0;
}
long long res=long long_MAX;
long long last[n];
for(long long mask=0; mask<(1<<m); mask++)
{
long long cena=0;
memset(last,-1,sizeof(last));
for(long long i=0; i<m; i++)
{
if(mask&(1<<i))
{
for(long long k=a[i]; k<=b[i]; k++)last[k]=0;
last[c[i]]=-1;
cena+=d[i];
}
}
long long cnt=0;
for(long long i=0; i<n; i++)
{
if(last[i]==-1)cnt++;
}
if(cnt==1)res=min(res,cena);
}
if(res==long long_MAX)res=-1;
cout<<res<<endl;
return 0;
}
Compilation message
pinball.cpp: In function 'int main()':
pinball.cpp:17:16: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
17 | if(s.size()!=n)
| ~~~~~~~~^~~
pinball.cpp:22:19: error: expected primary-expression before 'long'
22 | long long res=long long_MAX;
| ^~~~
pinball.cpp:45:13: error: expected primary-expression before 'long'
45 | if(res==long long_MAX)res=-1;
| ^~~~
pinball.cpp:45:13: error: expected ')' before 'long'
45 | if(res==long long_MAX)res=-1;
| ~ ^~~~
| )
