填空题

写出下列程序的运行结果 【13】 。 #include <iostream.h>. #include <fstream.h> #include <stdlib.h> void main() { fstream outfile, infile; outfile.open("data.clat", ios:: out); if(!outfile) { cout<<"Can’t open the file."<<end1; abort(); } outfile<<" 1234567890"<<end1; outfile<<"aaaaaaaaa"<<end1; outfile<<"**********"<<end1; outfile.close(); infile.open("data. dat ", ios:: in); if(!infile) { cout<<"Can’t open the file."<<end1; abort(); } char line[80]; int I=0; while(!infile. eof()) { I++; infile.getline(line, sizeof(line)); cout<<I<<":"<<line<<end1; } infile.close(); }

【参考答案】

1: 1234567890