摘要:
#include<stdio.h> #define _CRT_SECURE_NO_WARNINGS #include<stdlib.h> int main(){ char ch; int count=0; FILE *fp; fp=fopen("data4.txt","r"); if(fp==NUL 阅读全文
posted @ 2022-12-27 20:32
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摘要:
#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <string.h> #define N 5 typedef struct student { char name[10]; int num; int maths; int com 阅读全文
posted @ 2022-12-27 19:19
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