제출 #124461

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
124461		HassenAissa	Strange Device (APIO19_strange_device)	C++14	0 / 100	2 ms	376 KiB

strange_device

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


int main()
{
    long long unsigned n,a,b,t,l;
    scanf("%llu%llu%llu",&n,&a,&b);
    int res=0;
    for(long long unsigned i=0;i<n;i++)
    {
        scanf("%llu%llu",&t,&l);
        if(l-t>=a)
            res+=a*t;
        else
        {
            res+=(l-t)*t;
        }
    }
    printf("%d",res);
}

컴파일 시 표준 에러 (stderr) 메시지

strange_device.cpp: In function 'int main()':
strange_device.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%llu%llu%llu",&n,&a,&b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%llu%llu",&t,&l);
         ~~~~~^~~~~~~~~~~~~~~~~~

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