摘要: 任务4 #include <stdio.h> int main(){ FILE *fp; fp = fopen("data4.txt", "r"); int n,c; if(fp == NULL) { printf("fail to open file\n"); return 1; } while( 阅读全文
posted @ 2023-06-11 21:52 郑之行 阅读(8) 评论(0) 推荐(0)