제출 #975166

#제출 시각아이디문제언어결과실행 시간메모리
975166mxrsStove (JOI18_stove)C++14
100 / 100
17 ms2516 KiB
#include <bits/stdc++.h>

#define long long long

using namespace std;

vector<int> v, d;
int n, k, ans;

int main() {
    scanf("%d %d", &n, &k);
    for(int i = 0, t; i < n; i++) {
        scanf("%d", &t);
        v.emplace_back(t);
    }
    for(int i = 1; i < n; i++) {
        d.emplace_back(v[i] - v[i-1] - 1);
    }
    sort(d.begin(), d.end(), greater<int>());
    ans = v.back() - v[0] + 1;
    for(int i = 0; i < k-1; i++) {
        ans -= d[i];
    }
    printf("%d\n", ans);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

stove.cpp: In function 'int main()':
stove.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
stove.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         scanf("%d", &t);
      |         ~~~~~^~~~~~~~~~
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