爱心代码

#include<stdio.h> 
#include<math.h> 
#include<stdlib.h>
#define I 20    //爱心的上半部分两个小半圆的半径
#define R 340   //爱心的下半部分圆弧曲线半径
int main() 
{
FILE *fp;
if((fp=fopen("爱心.txt","w"))==NULL)
{
   printf("File open error!\n");
   exit(0);
}
    int i,j,e; 
    int a; 
//爱心的上半部分 为两个实心半圆
    for(i=1,a=I;i<I/2;i++,a--)
{ 
        for(j=(int) (   I-sqrt((double)(I*I-(a-i)*(a-i)))   );j>0;j--) 
   {
            printf(" "); 
    fprintf(fp,"%s"," ");
   }
        for(e=1;e<=2*sqrt((double)(I*I-(a-i)*(a-i)));e++) 
   {
            printf("\3");
    fprintf(fp,"%s","*");
   }
        for(j=(int) (   2*( I-sqrt((double)(I*I-(a-i)*(a-i))) )   );j>0;j--) 
   {
            printf(" ");
    fprintf(fp,"%s"," ");
   }
        for(e=1;e<=2*sqrt( (double) (I*I-(a-i)*(a-i)) );e++) 
   {
            printf("\3");
    fprintf(fp,"%s","*");
   }
        printf("\n");
   fprintf(fp,"%s","\n");
    } 
//爱心的中间一行 可以打印一些标记
    for(i=1;i<80;i++)
    {
        if(i==25)
     {
            printf("    I LOVE YOU！O(∩_∩)O~    ");
    fprintf(fp,"%s","    I LOVE YOU！O(∩_∩)O~    ");
            i+=30;
        }
        printf("\3");
   fprintf(fp,"%s","*");
    }
    printf("\n"); 
fprintf(fp,"%s","\n");
    
//爱心的下半部分 以R为半径的左右两条圆弧曲线 R设置为比较大
    for(i=1;i<=R/2;i++)
{ 
        if(i%2||i%3)continue;//因为R很大 两条曲线应该删去中间的一些点 这样就会更像爱心
        for(j=(int) (   R-sqrt( (double) (R*R-i*i) )   );j>0;j--) 
   {
            printf(" ");
    fprintf(fp,"%s"," ");
   }
        for(e=1;e<=2*( sqrt( (double)(R*R-i*i) ) - (R-2*I) );e++) 
   {
            printf("\3");
    fprintf(fp,"%s","*");
   }
        printf("\n"); 
   fprintf(fp,"%s","\n");
    } 
//以下是以time做时间变量来控制变色
//懒得查时间变量函数 故用这种超耗cpu的算法代替
//最好不要这么写 以下代码仅供娱乐
long time; 
for(; ;) 
{ 
   system("color a");
   for(time=0;time<99999999;time++); 
   system("color b");
   for(time=0;time<99999999;time++);
   system("color c");
   for(time=0;time<99999999;time++);
   system("color d");
   for(time=0;time<99999999;time++);
   system("color e");
   for(time=0;time<99999999;time++);
   system("color f");
   for(time=0;time<99999999;time++);
   system("color 0");
   for(time=0;time<99999999;time++);
   system("color 1");
   for(time=0;time<99999999;time++);
   system("color 2");
   for(time=0;time<99999999;time++);
   system("color 3");
   for(time=0;time<99999999;time++);
   system("color 4");
   for(time=0;time<99999999;time++);
   system("color 5");
   for(time=0;time<99999999;time++);
   system("color 6");
   for(time=0;time<99999999;time++);
   system("color 7");
   for(time=0;time<99999999;time++);
   system("color 8");
   for(time=0;time<99999999;time++);
   system("color 9");
   for(time=0;time<99999999;time++);
   system("color ab");
   for(time=0;time<99999999;time++);
   system("color ac");
   for(time=0;time<99999999;time++);
   system("color ad");
   for(time=0;time<99999999;time++);
   system("color ae");
   for(time=0;time<99999999;time++);
   system("color af");
   for(time=0;time<99999999;time++);
} 
    return 0;
}