摘要: 4.task4 1 #include <stdio.h> 2 3 int main() { 4 char ch; 5 int k=0; 6 FILE *fp; 7 8 fp = fopen("data4.txt", "r"); 9 if(fp == NULL) { 10 printf("fail t 阅读全文
posted @ 2023-06-09 18:04 202113020120张艳 阅读(18) 评论(0) 推荐(0)