Submission #828762

#	Time	Username	Problem	Language	Result	Execution time	Memory
828762		cgiosy	격자 보존하기 (GA9_preserve)	C++17	0 / 100	11 ms	1748 KiB

preserve

#include <bits/stdc++.h>
using namespace std;

int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	int M, N, K;
	cin>>M>>N>>K;
	int A[N+1], x=0;
	for(int i=0, y; i<N; i++) cin>>y, A[i]=y-x-1, x=y;
	A[N]=M-x;
	K=max(0, 2*N-K+2)>>1;
	nth_element(A, A+K, A+N+1);
	for(int i=0; i<K; i++) M-=A[i];
	cout<<M-N<<'\n';
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 17
• Subtask 3: 0 / 22
• Subtask 4: 0 / 17
• Subtask 5: 0 / 35