#include <stdio.h> main() { printf("%d\n",sizeof(1)); printf("%d\n",sizeof(0.1)); printf("%f\n",1); printf("%f\n",(1+2*2+3)); printf("%d\n",1+3/2); printf("%f\n",1/3*3); printf("%f\n",1/3*3); getchar(); }
原文：https://www.cnblogs.com/xkdn/p/14687745.html