摘要: 实验任务4 #include <stdio.h> int main() { int line=0,cnt=0; int ch,i; FILE *fp; fp=fopen("data4.txt","r"); if(!fp) { printf("fail to open file to read!\n" 阅读全文
posted @ 2025-06-07 16:48 LYHD 阅读(21) 评论(0) 推荐(0)