제출 #648181

#제출 시각아이디문제언어결과실행 시간메모리
648181vnjsStove (JOI18_stove)C++14
100 / 100
51 ms1060 KiB
#include <bits/stdc++.h> #define ll unsigned long long using namespace std; int main() { ll n, k; cin >> n >> k; ll d = n-k; ll difs[n-1]; ll a, b; ll rez=n; for(ll i = 0; i < n; i++){ a=b; cin >> b; if(i==0)continue; difs[i-1]=b-a; } sort(difs, difs+n-1); for(ll i = 0; i < d;i++){ //cout << difs[i] << '\n'; rez+=difs[i]-1; } cout << rez << '\n'; return 0; }
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