poj2967

#include <iostream>
#include<cstdio>
#include<algorithm>
using namespace std;

int n,a[1000005];
int readin()
{
    char c;
    int ans=0;
    while(c=getchar())
    {
        if(c>='0'&&c<='9')
        {
            ans=ans*10+c-'0';
        }
        else break;
    }
    return ans;
}
bool ok(int a1,int a2,int a3)
{
    return a1>a3-a2;
}
bool judge()
{
    if(n<=3)
        return false;
    if(ok(a[0],a[1],a[n-1]))
        return false;
    for(int i=2;i<n;i++)
    {
        if(ok(a[i-2],a[i-1],a[i]))
            return true;
    }
    return false;
}
int main()
{
   n=readin();
        for(int i=0;i<n;i++)
        {
            a[i]=readin();
        }
        sort(a,a+n);
        if(judge())
            printf("The set is accepted.\n");
        else
        printf("The set is rejected.\n");

    return 0;
}

这一题算是水体，考察输入的

但是似乎只能使用G++，我用c++教了n遍都是runtime limited