摘要：
#include<stdio.h> #include<stdlib.h> int main(){ FILE *fp; char al; int count=0; fp=fopen("C:\\data4.txt","r"); if(fp==NULL){ printf("fail to open fil 阅读全文
摘要：
#include <stdio.h> #include<stdlib.h> #include <string.h> #define N 5 typedef struct student { char name[10]; int num; int maths; int computer; int en 阅读全文