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matrixMultiplication.cpp
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54 lines (42 loc) · 917 Bytes
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#include<bits/stdc++.h>
using namespace std;
int main(){
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int n1, n2, n3;
cin>>n1>>n2>>n3;
int m1[n1][n2];
int m2[n2][n3];
for(int i=0;i<n1;i++){
for(int j=0;j<n2;j++){
cin>>m1[i][j];
}
}
for(int i=0;i<n2;i++){
for(int j=0;j<n3;j++){
cin>>m2[i][j];
}
}
int ans[n1][n3];
for(int i=0;i<n1;i++){
for(int j=0;j<n3;j++){
ans[i][j]=0;
}
}
for(int i=0;i<n1;i++){
for(int j=0;j<n3;j++){
for(int k=0;k<n2;k++){
ans[i][j] += m1[i][k]*m2[k][j];
}
}
}
for(int i=0;i<n1;i++){
for(int j=0;j<n3;j++){
cout<<ans[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}