摘要: task 4 源代码 #include <stdio.h> #include <stdlib.h> int main(void){ FILE *fp; char ch; int letter=0; if((fp=fopen("data4.txt","r"))==NULL) { printf("Fil 阅读全文
posted @ 2023-06-15 12:54 陈奕函 阅读(14) 评论(0) 推荐(0)