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Doc_Ghi_Ma_Tran.cpp
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// Doc_Ghi_Ma_Tran.cpp #include <bits/stdc++.h> using namespace std; void nhapMaTran(int n, int m) { int a; ofstream ofs("MATRIX.txt"); ofs<<n<<" "<<m<<"\n"; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout<<"Nhap a["<<i<<","<<j<<"]: "; cin>>a; ofs<<a<<" "; } ofs<<"\n"; } ofs.close(); } void docMaTran(int a[][100], int &n, int &m) { ifstream ifs("MATRIX.txt"); ifs>>n; ifs>>m; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { ifs>>a[i][j]; } } ifs.close(); } void inMaTran(int a[][100], int n, int m) { for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cout<<"\t"<<a[i][j]; } cout<<endl; } cout<<endl; } int main() { int n, m; int a[100][100]; cout<<"Nhap n: "; cin>>n; cout<<"Nhap m: "; cin>>m; nhapMaTran(n, m); docMaTran(a, n, m); inMaTran(a, n, m); return 0; }