#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream baca;
ofstream tulis;
baca.open("D:/readwrite.txt",ios::app);
while(baca.fail() ){
cout<<"file tidak dapat dibuka"<<endl;
return 1;
}
int nilai [4][2];
for (int i=0;i<4;i++){
for(int j=0;j<2;j++){
baca>>nilai[i][j];
}
}
for (int i=0;i<4;i++){
cout<<nilai[i][0]<<"\t"<<nilai[i][1]<<endl;
}
tulis.open("D:/readwrite.txt",ios::app);
cout<<"\nProgram penjumlahan matriks"<<endl;
tulis<<"\nProgram penjumlahan matriks\n";
for (int i=0;i<4;i++){
cout<<nilai[i][0]<<"+"<<nilai[i][1]<<"="<<nilai[i][0]+nilai[i][1]<<endl;
tulis<<nilai[i][0]<<"+"<<nilai[i][1]<<"="<<nilai[i][0]+nilai[i][1]<<endl;
}
cout<<"\nProgram pengurangan matriks"<<endl;
tulis<<"\nProgram pengurangan matriks\n";
for(int i=0;i<4;i++){
cout<<nilai[i][0]<<"-"<<nilai[i][1]<<"="<<nilai[i][0]-nilai[i][1]<<endl;
tulis<<nilai[i][0]<<"-"<<nilai[i][1]<<"="<<nilai[i][0]-nilai[i][1]<<endl;
}
cout<<"\nProgram perkalian matriks"<<endl;
tulis<<"\nProgram perkalian matriks\n";
for(int i=0;i<4;i++){
cout<<nilai[i][0]<<"*"<<nilai[i][1]<<"="<<nilai[i][0]*nilai[i][1]<<endl;
tulis<<nilai[i][0]<<"*"<<nilai[i][1]<<"="<<nilai[i][0]*nilai[i][1]<<endl;
}
baca.close();
tulis.close();
}
Program read and write dengan C++
Berikut contoh program read and write (matriks) dengan menggunakan Dev-C++

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