将标准输入重定向到文件input.dat的语句是
A.freopen(stdin,"r","input.dat");
B.freopen(stdout,"r","input.dat");
C.freopen("input.dat","r",stdin);
D.freopen("input.dat","r",stdout);
正确答案D
将标准输入重定向到文件input.dat的语句是
A.freopen(stdin,"r","input.dat");
B.freopen(stdout,"r","input.dat");
C.freopen("input.dat","r",stdin);
D.freopen("input.dat","r",stdout);
正确答案D