txt读取及二维动态数组
大家好,能不能帮我看下这个程序哪错了。运用后显示:Can't open the file yyy.txtEnd of the file
yyy.txt为:1.1 2.1 3.1
3.1 2.1 1.1
程序代码:
#include <iostream> #include <fstream> #include <string> using namespace std; const int Gamma_row = 2; const int Gamma_arr = 3; float ** Conv(string &s1,const int row , const int arr); int main() { string str = "yyy.txt"; float ** Gamma1; Gamma1 = Conv(str , Gamma_row , Gamma_arr); cout<<Gamma1<<endl; for(int i=0;i!=Gamma_row;i++) { delete [] Gamma1[i]; } delete [] Gamma1; return 0; } float ** Conv(string &s1, const int row, const int arr) { float ** array = NULL; array = new float *[row]; for(int i=0;i!=row;i++) { array[i] = new float [arr]; } ifstream fin1; fin1.open("s1"); if(!fin1.is_open()) { cout<<"Can't open the file "<<s1<<endl; fin1.clear(); } float content; for(int i = 0; i != row*arr; i++) { fin1 >> content; array[i/arr][i%row] = content; } if(fin1.eof()) { cout<<"End of the file "<<endl; fin1.clear(); } fin1.close(); return array; }另外还想问下,动态数组释放后还能输出Gamma1这个数组吗??