160809322 Wang Xiangjun-12 jobs

#include <stdio.h>struct student{   char number[10];   Char name[4];   Char gender[20];   Char phone[20];   Char dept[20];   int age;   int score;}; int main () {        return 0;}

　　

#include <stdio.h>struct student{    char number[10];    Char name[20];    int age  ;    }; int main () {    student class3[31];    int i=0,j;    FILE *fp=fopen ("G:\\input.txt", "R");    while (!feof (FP))    {        fscanf (FP, "%s%s%d", class3[i].number,class3[i].name,&class3[i].age);        i++;    }    Fclose (FP);    Fp=fopen ("G:\\output.txt", "w");    for (j=0;j<i;j++)        fprintf (FP, "%s    %s    %d\n", class3[j].number,class3[j].name,class3[j].age);    Fclose (FP);        return 0;}

　　

#include <stdio.h>struct student{Char number[10];    Char name[20]; int age;};    void Add () {student class3;    int i=0,j;    Char W;    FILE *fp=fopen ("F:\\student.txt", "A +");    printf ("Please enter Name:");    scanf ("%s", Class3.name);p rintf ("Please enter the study number:");    scanf ("%s", Class3.number);    printf ("Please enter Age:");    scanf ("%d", &class3.age);    fprintf (FP, "%s%s%d\n", class3.number,class3.name,class3.age);    printf ("Information added successfully, whether to continue adding student information (y/n)");    scanf ("%s", &w);        Do {printf ("Enter name:");        scanf ("%s", Class3.name);p rintf ("Please enter the study number:");        scanf ("%s", Class3.number);        printf ("Please enter Age:");        scanf ("%d", &class3.age);        fprintf (FP, "%s%s%d\n", class3.number,class3.name,class3.age);        printf ("Information added successfully, whether to continue adding student information (y/n)");    scanf ("%s", &w); }while (w== ' Y ');}    int main () {printf ("Class three student management system \ n");     printf ("Add student information \ n");    int A;    scanf ("%d", &a);    if (a==1) add (); return 0;}

In this question, both Y and N have to continue to add student information, and the judgment in the loop of do while seems useless.

160809322 Wang Xiangjun-12 jobs