제출 #71665

#제출 시각아이디문제언어결과실행 시간메모리
71665team (#119)천사의 모래시계 (FXCUP3_hourglass)C++98
58 / 100
4 ms676 KiB
#include <bits/stdc++.h> #define INF 100000000 using namespace std; int main(){ int n;scanf("%d",&n); int ans=INF; int i=0; while(1){ if((3*i)>n) break; if(!((n-3*i)%5)){ ans=min(ans,i+(n-3*i)/5); } i++; } if(ans>=INF) ans=-1; printf("%d\n",ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

hourglass.cpp: In function 'int main()':
hourglass.cpp:5:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n;scanf("%d",&n);
           ~~~~~^~~~~~~~~
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