제출 #1290560

#제출 시각아이디문제언어결과실행 시간메모리
1290560cruel44Stove (JOI18_stove)C++20
100 / 100
17 ms4556 KiB
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int s,y; cin>>s>>y; vector<long long>z(s); for(int i=0;i<s;i++)cin>>z[i]; vector<pair<long long,long long>>a; for(int i=0;i<s;i++)a.push_back({z[i],z[i]+1}); vector<long long>f; for(int i=1;i<s;i++)f.push_back(a[i].first-a[i-1].second); sort(f.begin(),f.end()); long long t=0; for(int i=0;i<s;i++)t+=a[i].second-a[i].first; int b=s-y; for(int i=0;i<b;i++)t+=f[i]; cout<<t; }
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