Update my Blog with some C Programming

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Ok, to busy in live, and i don’t have time to update my blog 🙁
So, today i got some exam with C Programming and turn out bad

here some code i work on in the exam, a little bit messy code 🙂

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#include <stdio.h>

void main()
{
    int xn, yn, i, j, x[4], y[4], done = 0, jalan, gerakan[100], jml = 0, temp;
    scanf("%d %d", &xn, &yn);
    int papan[xn][yn];
    for(i = 0; i < 4;i++)
    {
        scanf("%d %d", &x[i], &y[i]);
    }
    scanf("%d", &jalan);
    i = 0;
    while(jalan > 0)
    {
        temp = (jalan/10)*10;
        gerakan[i] = jalan - temp;
        jalan = temp/10;
        jml++;
        i++;
    }
   
    for(i = 0;i < yn;i++ )
    {
        for(j = 0; j < xn; j++)
        {
            papan[j][i] = 0;
        }
    }

    for(i = jml-1; i >= 0;i--)
    {
        if(gerakan[i] == 1)
        {
            if((x[0] + 1) < xn)
            {
                x[3] = x[2];
                x[2] = x[1];
                x[1] = x[0];
                y[3] = y[2];
                y[2] = y[1];
                y[1] = y[0];
                x[0]++;
            }
        }
        else if(gerakan[i] == 2)
        {
            if((y[0] + 1) < yn)
            {
                x[3] = x[2];
                x[2] = x[1];
                x[1] = x[0];
                y[3] = y[2];
                y[2] = y[1];
                y[1] = y[0];
                y[0]++;            
            }
        }
        else if(gerakan[i] == 3)
        {
            if((x[0] - 1) >= 0)
            {
                x[3] = x[2];
                x[2] = x[1];
                x[1] = x[0];
                y[3] = y[2];
                y[2] = y[1];
                y[1] = y[0];
                x[0]--;            
            }
        }
        else if(gerakan[i] == 4)
        {
            if((y[0] - 1) >= 0)
            {
                x[3] = x[2];
                x[2] = x[1];
                x[1] = x[0];
                y[3] = y[2];
                y[2] = y[1];
                y[1] = y[0];
                y[0]--;            
            }
        }
    }

    printf("\n");
    for(i = 0; i < 4; i++)
    {
        papan[x[i]][y[i]] = 1;
    }
   
    for(i = 0;i < yn;i++ )
    {
        for(j = 0; j < xn; j++)
        {
            printf("%d ", papan[j][i]);
        }
        printf("\n");
    }
   
}

Ok here’s the screenshot :

So first input the size of the matrix x X y
and then put the snake coordinate x y
put the snake body coordinate
and the last one is for the tail
and then put some integer value from 1 to 4
the rule is 1 to go right, 2 to go down, 3 to go left, and 4 to go up

I hope this helpful to who ever read this 😀

Math With Latex and PMath

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Today i’m trying wordpress plugin for math, so here some example :
Using latex
e^{\i \pi} + 1 = 0

E = mc^2 \lambda,\xi,\pi,\theta,\mu,\Phi,\Omega,\Delta \sqrt{x^{2} + \sqrt{y}} (\overline{x} - t^)

Using pmath
[pmath size=16]\alpha, \theta, \upsilon, \beta, \vartheta, \pi, \phi, \gamma, \iota, \varpi, \varphi, \delta[/pmath]
[pmath size=16]\kappa, \rho, \chi, \epsilon, \lambda, \varrho, \psi, \varepsilon, \mu, \sigma, \omega, \zeta [/pmath]
[pmath size=16]\nu, \varsigma, \eta, \xi, \tau, \Gamma, \Lambda, \Sigma, \Psi, \Delta, \Xi, \Upsilon, \Omega, \Theta, \Pi, \Phi[/pmath]

[pmath size=16]P(\overline{x} – z_{\alpha/2} * {\sigma/\sqrt{n}} < \mu < \overline{x} + z_{\alpha/2} * {\sigma/\sqrt{n}})[/pmath] [pmath size=16](\overline{x} - t_{\alpha/2, n-1} * {S/\sqrt{n}} , \overline{x} + t_{\alpha/2, n-1} * {S/\sqrt{n}})[/pmath] [pmath size=16]n = (2z_{\alpha/2} * {\sigma/w})[/pmath]