这题怎么做？？？？

常规
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用三个变量记录，（举个例子）ans1,ans2,ans3
cin>>n;
for(){
cin>>x;
if(x是负数，也就是x<0) ans1++;
else if(x是正数，也就是x>0) ans2++;
else if(x==0) ans3++;
}
cout<<三个答案；

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