#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("Ofast,unroll-loops")
#define pii pair<int,int>
using namespace __gnu_pbds;
using namespace std;
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int long long
#define f first
#define s second
#define pii pair<int,int>
template<class T>bool umax(T &a,T b){if(a<b){a=b;return true;}return false;}
template<class T>bool umin(T &a,T b){if(b<a){a=b;return true;}return false;}
typedef tree<int, null_type, less_equal<int>, rb_tree_tag,
tree_order_statistics_node_update> ordered_set;
const int mod= 1e17 +7;
const int N=1e5*4;
int binpow (int a, int n) {
if (n == 0)
return 1;
if (n % 2 == 1)
return binpow (a, n-1) * a;
else {
int b = binpow (a, n/2);
return b * b;
}
}
void solve(){
int n,m,k;
cin>>n>>m;
vector<pair<pii,pii>>v(n);
for(int i = 0;i<n;i++){
cin>>v[i].f.f>>v[i].f.s>>v[i].s.f>>v[i].s.s;
}
int ans = mod;
for(int mask = 0;mask<(1<<n);mask++){
set<pii>st;
int sum = 0;
st.insert({1,m});
for(int i = 0;i<n;i++){
if(((mask>>i)&1)==0)continue;
sum += v[i].s.s;
vector<pii>del,add;
int l = v[i].f.f;
int r = v[i].f.s;
add.pb({v[i].s.f,v[i].s.f});
for(auto [l1,r1]:st){
if(l1<=l&&r<=r1){
del.pb({l1,r1});
if(l!=l1)add.pb({l1,l-1});
if(r!=r1)add.pb({r+1,r1});
}
else if(l1 <= l && r1 <= r && l <= r1){
del.pb({l1,r1});
if(l1!=l)add.pb({l1,l-1});
}
else if(r1 >= r && l1 >= l && l1 <= r){
del.pb({l1,r1});
if(r1!=r)add.pb({r+1,r1});
}
else if(l<=l1&&r1<=r){
del.pb({l1,r1});
}
}
for(auto to:del)st.erase(st.find(to));
for(auto to:add)st.insert(to);
}
if(st.size()==1&&sum>0){
umin(ans,sum);
}
}
if(ans==mod)ans=-1;
cout<<ans<<"\n";
}
signed main()
{
// freopen("seq.in", "r", stdin);
// freopen("seq.out", "w", stdout);
ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
int cnt=0;
int tt=1;//cin>>tt;
while(tt--)solve();
}
Compilation message
pinball.cpp: In function 'void solve()':
pinball.cpp:35:10: warning: unused variable 'k' [-Wunused-variable]
35 | int n,m,k;
| ^
pinball.cpp: In function 'int main()':
pinball.cpp:103:6: warning: unused variable 'cnt' [-Wunused-variable]
103 | int cnt=0;
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
452 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |