제출 #658736

#제출 시각아이디문제언어결과실행 시간메모리
658736mariaclaraStove (JOI18_stove)C++17
100 / 100
55 ms2324 KiB
#include <bits/stdc++.h> using namespace std; typedef pair<int,int> pii; const int maxn = 1e5+10; #define pb push_back #define f first #define s second int n, k, com, last, resp; vector<pii> L; int func(pii a, pii b) { return a.s - a.f > b.s - b.f; } int main () { cin >> n >> k; for(int i = 1; i <= n; i++) { int aux; cin >> aux; if(i>1) L.pb({last, aux}); else com = aux; last = aux+1; } resp = last-com; sort(L.begin(), L.end(), func); for(int i = 0; i < k-1; i++) resp -= L[i].s - L[i].f; cout << resp << endl; }
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