제출 #1313717

#제출 시각아이디문제언어결과실행 시간메모리
1313717code_jahidulStove (JOI18_stove)C++20
0 / 100
0 ms400 KiB
#include <bits/stdc++.h> using namespace std; int main(){ int n,k; cin >> n >> k; vector<int>t(n); for(int i=0; i<n; i++){ cin >> t[i]; } if(k == 1){ cout << (t[n-1]+1 ) - t[0] << endl; return 0; } else if(k == n){ cout << n << endl; return 0; }else{ vector<int>gaps; for(int i=0; i<n-2; i++){ gaps[i] = t[i+2] - t[i+1]; } sort(gaps.begin(), gaps.end()); reverse(gaps.begin(), gaps.end()); int sum = 0; for(int i=0; i < k-1; i++){ sum += gaps[i]; } int ans = (t[n-1]+1 - t[0]) - sum; cout << ans; return 0; } }
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