제출 #163424

#제출 시각아이디문제언어결과실행 시간메모리
163424iefnah06Stove (JOI18_stove)C++11
100 / 100
58 ms2420 KiB
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 3e5;
int N, K;
int T[MAXN];

int main() {
	scanf("%d %d", &N, &K);
	for (int i = 0; i < N; i++) {
		scanf("%d", &T[i]);
	}

	vector<int> gaps;
	for (int i = 0; i < N - 1; i++) {
		gaps.push_back(T[i + 1] - T[i] - 1);
	}
	nth_element(gaps.begin(), gaps.begin() + K - 1, gaps.end(), greater<int>());
	int ans = T[N - 1] - T[0] + 1;
	for (int i = 0; i < K - 1; i++) {
		ans -= gaps[i];
	}
	printf("%d\n", ans);

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &K);
  ~~~~~^~~~~~~~~~~~~~~~~
stove.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &T[i]);
   ~~~~~^~~~~~~~~~~~~
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