杭电 hdu 2008

数值统计：

#include<iostream>
#include<cstring>
using namespace std;
#define N 120
double a[N];
int main(){
    int n;
    while(cin>>n&&n){
        int i;
        int sum0=0,sum1=0,sum2=0;
        memset(a,0,N*sizeof(int));
        for(i=0;i<n;++i){
            cin>>a[i];
            if(a[i]<0)
                sum1++;
            else{
                if(a[i]==0)
                    sum0++;
                else
                    sum2++;
            }
        }
        cout<<sum1<<" "<<sum0<<" "<<sum2<<endl;
    }
    return 0;
}