概勤奋跳糖/p # includesstreamstd :3360 string stream ss; tdxhd
# include iostream # include string # includefstreamusingnamespacestd; # includesstreamstd :3360 string stream ss; int main () { cout 'Hello World! n '; 双精度d=8.00; ostringstream stream; 流d; string str=stream.str (; 出局; getchar (; )运转效果