제출 #28291

#제출 시각아이디문제언어결과실행 시간메모리
28291三( ε:) (#68)Wine Tasting (FXCUP2_wine)C++14
1 / 1
109 ms9420 KiB
#include <bits/stdc++.h> using namespace std; int t[300005]; vector<int> vt; int main() { int n, k; scanf("%d%d",&n,&k); for (int i = 0; i < n; i++) scanf("%d",&t[i]); sort(t, t + n); for (int i = 0; i < n; i++) { vt.push_back(t[n - i - 1]); vt.push_back(t[i]); } long long ans = 0; int last = 0; for (int i = 0; i < k; i++) { ans += max(vt[i] - last, 0); last = vt[i]; } printf("%lld\n", ans); }

컴파일 시 표준 에러 (stderr) 메시지

wine.cpp: In function 'int main()':
wine.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
                        ^
wine.cpp:11:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < n; i++) scanf("%d",&t[i]);
                                                  ^
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