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89 lines (85 loc) · 2.15 KB
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Copy pathArray.cpp
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89 lines (85 loc) · 2.15 KB
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//sum of an array
// #include<iostream>
// using namespace std;
// int main(){
// int a[3][3],b[3][3],c[3][3],i,j;
// cout<<"Enter 9 elemenbt for first array :" ;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// cin>>a[i][j];
// }
// }
// cout<<"Enter 9 elemenbt for second array :" ;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// cin>>b[i][j];
// }
// }
// cout<<"Addition of matrices"<<endl;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// c[i][j]=a[i][j]+b[i][j];
// cout<<c[i][j]<<" ";
// }
// cout<<endl;
// }
// return 0;
// }
//Substraction of an array
// #include<iostream>
// using namespace std;
// int main(){
// int a[3][3],b[3][3],c[3][3],i,j;
// cout<<"Enter 9 elemenbt for first array :" ;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// cin>>a[i][j];
// }
// }
// cout<<"Enter 9 elemenbt for second array :" ;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// cin>>b[i][j];
// }
// }
// cout<<"substraction of matrices"<<endl;
// for(i=0;i<=2;i++){
// for(j=0;j<=2;j++){
// c[i][j]=a[i][j]-b[i][j];
// cout<<c[i][j]<<" ";
// }
// cout<<endl;
// }
// return 0;
// }
//Multiplication of matrix
#include<iostream>
using namespace std;
int main(){
int a[3][3],b[3][3],c[3][3],i,j, sum, k;
cout<<"Enter 9 elemenbt for first array :" ;
for(i=0;i<=2;i++){
for(j=0;j<=2;j++){
cin>>a[i][j];
}
}
cout<<"Enter 9 elemenbt for second array :" ;
for(i=0;i<=2;i++){
for(j=0;j<=2;j++){
cin>>b[i][j];
}
}
cout<<"Multiplication of matrices"<<endl;
for(i=0;i<=2;i++){
for(j=0;j<=2;j++){
sum=0;
for(k=0; k<=2; k++){
sum=sum+a[i][k]*b[k][j] ;
}
c[i][j]=sum;
cout<<c[i][j]<<" ";
}
cout<<endl;
}
return 0;
}