searchingamatrix.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,m;
    cin>>n>>m;
    int arr[n][m];
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++){
            cin>>arr[i][j];
        }
    }
    int x;
    cin>>x;
    bool flag=false;
    int i,j;
     for( i=0;i<n;i++){
        for(j=0;j<m;j++){
            if(arr[i][j]==x)      //1st row
            cout<<i<<" "<<j;
            flag=true;
        }
        
    }
    if(flag){
cout<<"element is found";
    }
    else{
        cout<<"element not found"<<endl;
    }
    return 0;

}