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## Re:按多机调度问题贪心做的，谁有测试数据

Posted by 792976879 at 2018-02-12 19:31:20 on Problem 1948
In Reply To:按多机调度问题贪心做的，谁有测试数据 Posted by:xtu1014 at 2010-08-01 15:32:18
```> #include<iostream>
> #include<cmath>
> #define N 40
> using namespace std;
>
> int A[N],tri[3],n;
>
> int cmp(const void *x,const void *y){
>     return -(*(int *)x-*(int *)y);
> }
>
> int main(){
>     int i,j,k,m;
>     double a,b,c,P;
>     scanf("%d",&n);
>     for(i=0;i<n;i++)
>         scanf("%d",&A[i]);
>     qsort(A,n,sizeof(int),cmp);//由边值从大到小排序
>     memset(tri,0,sizeof(tri));
>     j=0;
>     for(i=0;i<n;i++){//对边值贪心
>         tri[j]+=A[i];
>         m=tri[j];
>         for(k=0;k<3;k++)
>             if(tri[k]<m){
>                 m=tri[k];
>                 j=k;
>             }
>     }
>     if((tri[0]<tri[1]+tri[2])&&(tri[1]<tri[0]+tri[2])&&
>     (tri[2]<tri[0]+tri[1])){
>         a=(double)tri[0];
>         b=(double)tri[1];
>         c=(double)tri[2];
>         P=(a+b+c)/2;
>         printf("%d\n",(int)(100*sqrt(P*(P-a)*(P-b)*(P-c))));
>     }
>     else
>         printf("-1\n");
>     system("pause");
>     return 0;
> }
```

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