06 2023 档案

实验7
摘要：TEST4 #include<stdio.h> #include<stdlib.h> int main(){ int num=0; char ch; FILE *fp; fp=fopen("data4.txt","r"); if(fp==NULL) {printf("fail\n"); return 阅读全文
posted @ 2023-06-13 17:39 超级peipei 阅读(29) 评论(0) 推荐(0)