#include <iostream>
#include <vector>
using namespace std;
int main() {
    vector<vector<int>> v
    {
        {0,1,1,0},
        {1,1,0,1},
        {1,1,1,1}
    };
    cout<<"Before setting matrix\n";
    int rows=v.size();
    int cols=v[0].size();
    for(int i=0;i<rows;i++){
        for(int j=0;j<cols;j++){
            cout<<v[i][j]<<" ";
        }
        cout<<"\n";
    }
    bool row_flag = false;
    bool col_flag = false;
    for(int i = 0; i < rows; i++){
        for(int j = 0; j < cols; j++){
            if(i == 0 && v[i][j] == 0)
                row_flag = true;
            if(j == 0 && v[i][j] == 0)
                col_flag = true;
            if(v[i][j] == 0){
                v[i][0] = 0;
                v[0][j] = 0;
            }        
        }
    }
    for(int i = 1; i < rows; i++){
        for(int j = 1; j < cols; j++){
            if(v[0][j] == 0 || v[i][0] == 0)
                v[i][j] = 0;
        }
    }
    if(row_flag == true){
        for(int i = 0; i < cols; i++){
            v[0][i] = 0;
        }
    }
    if(col_flag == true){
        for(int i = 0; i < rows; i++){
            v[i][0] = 0;
        }
    }
    cout<<"After setting matrix\n";
    for(int i=0;i<rows;i++){
        for(int j=0;j<cols;j++){
            cout<<v[i][j]<<" ";
        }
        cout<<"\n";
}
    return 0;
}