摘要:
实验任务4 1 #include<stdio.h> 2 int main(){ 3 FILE *fp; 4 int i; 5 char ch; 6 fp=fopen("data4.txt","r"); 7 if(fp==NULL){ 8 printf("fail to open file\n"); 阅读全文
posted @ 2023-12-21 23:14
Sakana25
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