C++ 代码

#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
int main(){
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    char c;
    int d=0;
    while(cin>>c){
        if(c=='-')d++;
    }
    cout<<d<<" negative numbers";
}