杭电2803The MAX

The MAX

Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 2054    Accepted Submission(s): 890

Problem Description

Giving N integers, V1, V2,,,,Vn, you should find the biggest value of F.

 

Input

Each test case contains a single integer N (1<=N<=100). The next line contains N integers, meaning the value of V1, V2....Vn.(1<= Vi <=10^8).The input is terminated by a set starting with N = 0. This set should not be processed.

 

Output

For each test case, output the biggest value of F you can find on a line.

 

Sample Input

21 20

 

Sample Output

4017

 

Source

HDU 2009-4 Programming Contest

 

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把最大的乘以最大的，其余的都按照1 算就得到最大的了。

#include<stdio.h>#include<string.h>#include<algorithm>using namespace std;__int64 a[1100],i,j,k,l,m,n,ans,num;int main(){while(scanf("%I64d",&n),n){ans=0;for(i=0;i<n;i++){scanf("%I64d",&a[i]);ans+=a[i];}sort(a,a+n);ans-=a[n-1];num=a[n-1]*(2010-n)+ans;//最大的放一个，其余的都化为1 printf("%I64d\n",num);}return 0;}