tempCodeRunnerFile.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
    int rowsA,colsA,rowsB,colsB;
    cin>>rowsA>>colsA;
    cin>>rowsB>>colsB;
    if(colsA!=rowsB){
        cout<<"matrix multiplication are not posible"<<endl;
        return 0;
    }
    vector<vector<int>>A(rowsA,vector<int>(colsA));
    vector<vector<int>>B(rowsB,vector<int>(colsB));
    for(int i=0;i<rowsA;i++){
        for(int j=0;j<colsA;j++){
            cin>>A[i][j];
        }
    }
    for(int i=0;i<rowsB;i++){
        for(int j=0;j<colsB;j++){
            cin>>B[i][j];
        }
    }
    vector<vector<int>>C(rowsA,vector<int>(colsB));
    for(int i=0;i<rowsA;i++){
        for(int j=0;j<colsB;j++){
            C[i][j]=0;
            for(int k=0;k<colsA;k++){
                C[i][j]+=A[i][k]*B[k][j];
            }
        }
    }
    for(int i=0;i<rowsA;i++){
        for(int j=0;j<colsB;j++){
            cout<<C[i][j]<<" ";
        }
        cout<<endl;
    }
    return 0;
}