#include<stdio.h>
int main(){ fprintf(stdout,"hello"); int a; fscanf(stdin,"%d",&a); fprintf(stderr,"the err"); return 0;}本文共 180 字，大约阅读时间需要 1 分钟。
#include<stdio.h>
int main(){ fprintf(stdout,"hello"); int a; fscanf(stdin,"%d",&a); fprintf(stderr,"the err"); return 0;}转载于:https://www.cnblogs.com/eat-too-much/p/5932576.html