标签:des blog http io ar os sp java for
Time Limit: 5000/1500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 3439 Accepted Submission(s): 1164
#include<iostream>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<string>
#include<cmath>
#include<algorithm>
#include<queue>
#include<vector>
#include<set>
using namespace std;
set<long long> sset;
int t,n,aar[20];
void dfs(int a,int b,int c,int rt)
{
if(rt==n)
{
if(a>b||b>c||a>c) return ;
if(a&&b&&c&&(a+b)>c)
{
long long temp=100000000*a+1000000*b+c;
sset.insert(temp);
}
return ;
}
dfs(a+aar[rt],b,c,rt+1);
dfs(a,b+aar[rt],c,rt+1);
dfs(a,b,c+aar[rt],rt+1);
}
int main()
{
scanf("%d",&t);
while(t--)
{
sset.clear();
scanf("%d",&n);
for(int i=0;i<n;i++)
scanf("%d",&aar[i]);
dfs(0,0,0,0);
printf("%I64d\n",sset.size());
}
return 0;
}
标签:des blog http io ar os sp java for
原文地址:http://www.cnblogs.com/a972290869/p/4108592.html