[NOIP2016普及] 买铅笔

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题目描述

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样例数据

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题目分析

整除与取余，水过

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源代码

#include
#include
#include
#include
#include
#include
#include
#include
#include
using namespace std;
inline const int Get_Int() {
    int num=0,bj=1;
    char x=getchar();
    while(x<'0'||x>'9') {
        if(x=='-')bj=-1;
        x=getchar();
    }
    while(x>='0'&&x<='9') {
        num=num*10+x-'0';
        x=getchar();
    }
    return num*bj;
}
int n,Num[15],Price[15],Min=0x7fffffff/2;
int main() {
    n=Get_Int();
    for(int i=1; i<=3; i++) {
        int tmp;
        Num[i]=Get_Int();
        Price[i]=Get_Int();
        if(n%Num[i]==0)tmp=n/Num[i];
        else tmp=n/Num[i]+1;
        Min=min(Min,tmp*Price[i]);
    }
    printf("%d\n",Min);
    return 0;
}

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