Best code水题之路

BestCoder 2nd Anniversary：

1001.Oracle

There is once a king and queen, rulers of an unnamed city, who have three daughters of conspicuous beauty.

The youngest and most beautiful is Psyche, whose admirers, neglecting the proper worship of the love goddess Venus, instead pray and make offerings to her. Her father, the king, is desperate to know about her destiny, so he comes to the Delphi Temple to ask for an oracle.

The oracle is an integer n n n without leading zeroes.

To get the meaning, he needs to rearrange the digits and split the number into two positive integers without leading zeroes, and their sum should be as large as possible.

Help him to work out the maximum sum. It might be impossible to do that. If so, print Uncertain.

数据比较大，用字符串输入，要处理进位

#include<stdio.h>
#include<string.h>
#include<string>
#include<iostream>
#include<algorithm>
#include<math.h>
#include<stdlib.h>
using namespace std;
#define LL long long
#define M 100010
#define inf 0x7f7f7f7f
#define PI 3.1415926
#define mod 1000000007
int n,m;
int a[25];
void dfs()
{

}
int main()
{
    scanf("%d",&n);
    while(n--)
    {
        int sum=0,ave=0;
        scanf("%d",&m);
        for(int i=0;i<m;i++)
        {
            scanf("%d",&a[i]);
            sum+=a[i];
        }
        ave=sum/4;
        sort(a,a+m);
        if(sum%4||ave<a[m-1]||m<4)
        {
            printf("no
");
            continue;
        }


    }
}