zhaocong 2022-04-03 9:34:02 13 返回题目
#include<bits/stdc++.h>
using namespace std;
string x[3]={"positive","zero","negative"};
int a,b;
int main(){
cin>>a; if(a>0) b=0; else if(a==0) b=1; else b=2; cout<<x[b]; return 0;
}
