제출 #850925

#제출 시각아이디문제언어결과실행 시간메모리
850925askowStove (JOI18_stove)C++14
20 / 100
39 ms436 KiB
#include <bits/stdc++.h> #define int long long using namespace std; signed main(){ ios::sync_with_stdio(false); cin.tie(0); int n,k; cin>>n>>k; int a[n]; for(int i=0;i<n;i++)cin>>a[i]; if(n<=20){ int ans=1e18; for(int i=0;i<(1LL<<n);i++){ if(__builtin_popcount(i)>k)continue; int R=0; int pret=0; for(int j=0;j<n;j++){ if(i&(1LL<<j)){ // ovde gasim R+=(a[j]+1)-(a[pret]); pret=j+1; } } //return 0; if(i&(1LL<<(n-1))){ //cout<<i<<" "<<R; //cout<<endl; ans=min(ans,R); //cout<<i<<" "<<R; //cout<<endl; } } cout<<ans; return 0; } } //011
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