题解

#include<iostream>
using namespace std;
int main(){
    int n,m,a[110][110],x=0;
    cin>>n>>m;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            int sum=0;
            cin>>a[i][j];
            while(a[i][j]!=0){
                sum+=a[i][j]%10;
                a[i][j]/=10;
            }
            if(sum%2!=0){
                x++;
            }
        }
    }
    cout<<x;
    return 0;
}