666

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define N 5
#define R1 586
#define R2 701

int main()
{
    int number;
    int i;
    srand( time(0) );
    
    for(i = 0; i < N; ++i)
    {
        number = rand() % (R2 - R1 + 1) + R1; 
        printf("20228330%04d\n", number); 
    }
    return 0;
 } 

#include<stdio.h>
int main()
{
    double x, y;
    char c1, c2 ,c3;
    int a1, a2, a3;
    scanf("%d%d%d", &a1, &a2, &a3);
    printf("a1 = %d, a2 = %d, a3 = %d\n", a1,a2,a3);
    
    scanf("%c%c%c",&c1, &c2, &c3);
    printf("c1 = %c, c2 = %c, c3 =%c\n",c1, c2, c3 );
    
    scanf("%lf %lf",&x , &y);
    printf("x = %f , y = %lf\n",x, y); 
    return 0;
  
}

#include <stdio.h>
#include <math.h>
int main()
{
 double F, C;
 while(scanf("%lf", &C) != EOF)
 {
  F = 1.8*C + 32;
  printf("摄氏度C = %.2lf, 华氏度F = %.2lf\n", C, F);
  printf("\n");
  
 }
 return 0;
}