C language design A sparkling Christmas tree _c language

Console Print a Christmas tree: simple C language knowledge, really very basic, small white also can see understand oh

/******************************* Christmas Tree BYC language small white primer *******************************/#include <stdio.h> #include
<stdlib.h> #include <time.h> #include <Windows.h> #define X 25//Screen length int background[20][2 * x] = {0}; int SNOW = 30; Snowflake density/******************************* *******************************/void tree () {int I, j, X, y; for (i = 0; I &l T 3; i++) {y = i; for (j = 0; J < 2 * i + 1; j + +) {background[y][(x-i) + j] = 1;} for (i = 0; i < 5; i++) {y++; f
or (j = 0; J < 2 * (i + 1) + 1; j +) {background[y][(X-(i + 1)) + j] = 1;}  for (i = 0; i < 7; i++) {y++; for (j = 0; J < 2 * (i + 3) + 1; j +) {background[y][(X-(i + 3)) + j] = 1;}
(i = 0; i < 5; i++)
{y++ for (j = 0; J < 3; J + +) {background[y][x + (2 * j-2)] = 2;}} /******************************* Draw Snowflakes *******************************/void Snow () {int i; Srand (Time (NULL)); for (i = 0 ; i < SNOW;
i++) {int x, y; x = rand ()% (2 * x); y = rand ()% 20;if ((background[y][x] = = 0)) {background[y][x] = 3;}} /******************************* print *******************************/void display () {int x, y; for (y = 0; y < y
+ +) {for (x = 0; x < 2 * x + + +) {if (background[y][x] = = 0) {printf ("");} if (background[y][x] = = 1) {printf ("0");} if (background[y][x] = = 2) {printf ("|");} if (background[y][x] = = 3) {print
F ("*");
printf ("\ n"); }/******************************* clear Snowflake *******************************/void Clear_snow () {int i, J; for (i = 0; ; 20;
i++) {for (j = 0; J < 2 * X; j +) {if (background[i][j] = = 3) {Background[i][j] = 0;}}}
void Main () {tree (), while (1) {snow (); display ();
Sleep (1);
System ("CLS");
Clear_snow (); }
}

The final effect chart

Also not so big on the, it is very simple, the effect of words is dynamic, can be flashing it.

If you look at the above code is not enjoyable, you can refer to this article.

Use c language to write Christmas confession program

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