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Doc_Ghi_Da_Thuc.cpp
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// Doc_Ghi_Da_Thuc.cpp #include <bits/stdc++.h> using namespace std; void ghiTapTin(float a[], int n) { ofstream ofs("DATHUC.txt"); ofs<<n<<"\n"; for (int i = 0; i < n; i++) { ofs<<a[i]<<" "; } ofs<<"\n"; for (int i = 0; i < n; i++) { ofs<<a[i]<<" x "<<i; if (i != n-1) ofs<<" + "; } ofs.close(); } void docTapTin() { string data; cout<<"Noi dung cua tap tin DATHUC.txt"<<endl; ifstream ifs("DATHUC.txt"); while (getline(ifs, data)) { cout<<data<<"\n"; } ifs.close(); } int main() { int n; float a[100]; cout<<"Nhap n: "; cin>>n; for (int i = 0; i < n; i++) { cout<<"Nhap a["<<i<<"]: "; cin>>a[i]; } ghiTapTin(a, n); docTapTin(); return 0; }