Binary matrix having maximum number of 1s

class Solution {
public:
    vector<int> findMaxRow(vector<vector<int>> mat, int n) {
       int maxr=0;
       int maxf=0;
       for(int i=0;i<n;i++){
           int count=0;
           for(int j=n-1;j>=0;j--){
                if(mat[i][j]==1){
                    count++;
                }else{
                    break;
                }
           }
           if(maxr<count){
               maxr=count;
               maxf=i;
           }
       }
       return {maxf,maxr};
    }
};