题解 | 小红的01串

#include <iostream>
#include<vector>

using namespace std;

int main() {
    int t;
    cin>>t;
    for(int i=0;i<t;i++){
        string x;
        cin>>x;
        int x1=0,x0=0;
        for(int j=0;x[j]!='\0';j++){
            if(x[j]=='1') x1++;
            else if(x[j]=='0') x0++;
        }if(x0%2==0||x1%2==0) cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}