'C语言 定义一个包含年月日的结构体变量,任意输入一天,计算该日是本...答:include <stdio.h> #include<string.h>struct date{int year, mouth, day;};int main(){struct date d;int i, k=0, nday=0;printf("请输入当前年月日: ");scanf("%d%d%d", &d.year, &d.mouth, &d.day);///先判断是否是闰年,符合条件就是闰年,k置为1if(d.year%4==0 && d...
c语言程序:某班有10名同学,建立学生结构体类型,包括学号,姓名,3门课程...答:include <stdio.h> include"string.h"include <stdlib.h> define N 100000 struct st{ char a[15];char b[20];int x,y,z;};int fun1(int *x,int *y){ int t;t=*x;x=*y;y=t;} int fun2(char *x,char *y){ char *t;strcpy(t,x);strcpy(x,y);strcpy(y,t);} int ...