用C语言写个代码，利用空格和符号拼写出生日快乐之类的

#include <stdioh>

#include <mathh>

float f(float x, float y, float z) {

    float a = x  x + 90f / 40f  y  y + z  z - 1;

    return a  a  a - x  x  z  z  z - 90f / 800f  y  y  z  z  z;}float h(float x, float z) {

    for (float y = 10f; y >= 00f; y -= 0001f)

        if (f(x, y, z) <= 00f)

            return y;

    return 00f;}

int main() {

    for (float z = 15f; z > -15f; z -= 005f) {

        for (float x = -15f; x < 15f; x += 0025f) {

            float v = f(x, 00f, z);

            if (v <= 00f) {

                float y0 = h(x, z);

                float ny = 001f;

                float nx = h(x + ny, z) - y0;

                float nz = h(x, z + ny) - y0;

                float nd = 10f / sqrtf(nx  nx + ny  ny + nz  nz);

                float d = (nx + ny - nz)  nd  05f + 05f;

                putchar(":-=+#%@"[(int)(d  50f)]);

            }

            else

                putchar(' ');

        }

        putchar('\n');

    }

}

#include<stdioh>

#include<stringh>

unsigned char code = "12345678";

unsigned char input[56];

int main(void)

{

while(1)

{

printf("请输入密码\n");

scanf("%s", input);

if(strcmp( code, input) == 0)

{

printf("\n");

printf(" 元旦快乐！ \n");

printf("\n");

exit(0);

}

}

return 0;

}

#include <reg51h>

sbit speaker=P1^2;

unsigned char timer0h,timer0l,time;

//生日歌

code unsigned char sszymmh[]={5,1,1, 5,1,1, 6,1,2, 5,1,2, 1,2,2, 7,1,4,

5,1,1, 5,1,1, 6,1,2, 5,1,2, 2,2,2, 1,2,4,

5,1,1, 5,1,1, 5,2,2, 3,2,2, 1,2,2, 7,1,2, 6,1,2,

4,2,1, 4,2,1, 3,2,2, 1,2,2, 2,2,2, 1,2,4};

// 音阶频率表 高八位

code unsigned char FREQH[]={

0xF2,0xF3,0xF5,0xF5,0xF6,0xF7,0xF8,

0xF9,0xF9,0xFA,0xFA,0xFB,0xFB,0xFC,0xFC, //1,2,3,4,5,6,7,8,i

0xFC,0xFD,0xFD,0xFD,0xFD,0xFE,

0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFF,

} ;

// 音阶频率表 低八位

code unsigned char FREQL[]={

0x42,0xC1,0x17,0xB6,0xD0,0xD1,0xB6,

0x21,0xE1,0x8C,0xD8,0x68,0xE9,0x5B,0x8F, //1,2,3,4,5,6,7,8,i

0xEE,0x44, 0x6B,0xB4,0xF4,0x2D,

0x47,0x77,0xA2,0xB6,0xDA,0xFA,0x16,

};

void delay(unsigned char t)

{

unsigned char t1;

unsigned long t2;

for(t1=0;t1<t;t1++)

{

for(t2=0;t2<8000;t2++)

{

;

}

}

TR0=0;

}

void t0int() interrupt 1

{

TR0=0;

speaker=!speaker;

TH0=timer0h;

TL0=timer0l;

TR0=1;

}

void song()

{

TH0=timer0h;

TL0=timer0l;

TR0=1;

delay(time);

}

void main(void)

{

unsigned char k,i;

TMOD=1; //置CT0定时工作方式1

EA=1;

ET0=1;//IE=0x82 //CPU开中断,CT0开中断

while(1)

{

i=0;

while(i<75){ //音乐数组长度 ，唱完从头再来

k=sszymmh[i]+7sszymmh[i+1]-1;

timer0h=FREQH[k];

timer0l=FREQL[k];

time=sszymmh[i+2];

i=i+3;

song();

}

}

}

#include<windowsh>

#include<stdioh>

unsigned int rhythm[] = {

0x188, 0x188, 0x1B8, 0x188, 0x20B, 0x1EE,

0x188, 0x188, 0x1B8, 0x188, 0x24B, 0x20B,

0x188, 0x188, 0x310, 0x293, 0x20B, 0x1EE,

0x1B8, 0x2BA, 0x2BA, 0x293, 0x20B, 0x24B,

0x20B

};

unsigned int delay[] = {

0x177, 0x07D, 0x1F4, 0x1F4, 0x1F4, 0x3E8,

0x177, 0x07D, 0x1F4, 0x1F4, 0x1F4, 0x3E8,

0x177, 0x07D, 0x1F4, 0x1F4, 0x1F4, 0x1F4, 0x3E8,

0x177, 0x07D, 0x1F4, 0x1F4, 0x1F4, 0x3E8,

};

void play_music();//奏乐

int main(int argc, char argv[])

{

puts("happy birthday ! \n");

play_music();

return 0;

}

void play_music()

{

int i = 0;

for(; i < 25; ++i)

{

Beep(rhythm[i]5, delay[i]);

if(i == 24)

{

Sleep(500);

i = 0;

}

}

}

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