摘要:
1 #define _CRT_SECURE_NO_WARNINGS 2 #include<stdio.h> 3 int main() 4 { 5 int num=0; 6 FILE* fp; 7 char ch; 8 if ((fp = fopen("data4.txt", "r"))==NULL) 阅读全文
posted @ 2022-12-25 19:23
汪毅恒
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