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  1. PO
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    <p>Keep in mind that a previous winner of the Obfuscated C Code Contest implemented a pretty good tetris game (for VT100 terminals on BSD unix) in fewer than 512 bytes of obfuscated C:</p> <pre><code>long h[4];t(){h[3]-=h[3]/3000;setitimer(0,h,0);}c,d,l,v[]={(int)t,0,2},w,s,I,K =0,i=276,j,k,q[276],Q[276],*n=q,*m,x=17,f[]={7,-13,-12,1,8,-11,-12,-1,9,-1,1, 12,3,-13,-12,-1,12,-1,11,1,15,-1,13,1,18,-1,1,2,0,-12,-1,11,1,-12,1,13,10,-12, 1,12,11,-12,-1,1,2,-12,-1,12,13,-12,12,13,14,-11,-1,1,4,-13,-12,12,16,-11,-12, 12,17,-13,1,-1,5,-12,12,11,6,-12,12,24};u(){for(i=11;++i&lt;264;)if((k=q[i])-Q[i] ){Q[i]=k;if(i-++I||i%12&lt;1)printf("\033[%d;%dH",(I=i)/12,i%12*2+28);printf( "\033[%dm "+(K-k?0:5),k);K=k;}Q[263]=c=getchar();}G(b){for(i=4;i--;)if(q[i?b+ n[i]:b])return 0;return 1;}g(b){for(i=4;i--;q[i?x+n[i]:x]=b);}main(C,V,a)char* *V,*a;{h[3]=1000000/(l=C&gt;1?atoi(V[1]):2);for(a=C&gt;2?V[2]:"jkl pq";i;i--)*n++=i&lt; 25||i%12&lt;2?7:0;srand(getpid());system("stty cbreak -echo stop u");sigvec(14,v, 0);t();puts("\033[H\033[J");for(n=f+rand()%7*4;;g(7),u(),g(0)){if(c&lt;0){if(G(x+ 12))x+=12;else{g(7);++w;for(j=0;j&lt;252;j=12*(j/12+1))for(;q[++j];)if(j%12==10){ for(;j%12;q[j--]=0);u();for(;--j;q[j+12]=q[j]);u();}n=f+rand()%7*4;G(x=17)||(c =a[5]);}}if(c==*a)G(--x)||++x;if(c==a[1])n=f+4**(m=n),G(x)||(n=m);if(c==a[2])G (++x)||--x;if(c==a[3])for(;G(x+12);++w)x+=12;if(c==a[4]||c==a[5]){s=sigblock( 8192);printf("\033[H\033[J\033[0m%d\n",w);if(c==a[5])break;for(j=264;j--;Q[j]= 0);while(getchar()-a[4]);puts("\033[H\033[J\033[7m");sigsetmask(s);}}d=popen( "stty -cbreak echo stop \023;cat - HI|sort -rn|head -20&gt;/tmp/$$;mv /tmp/$$ HI\ ;cat HI","w");fprintf(d,"%4d on level %1d by %s\n",w,l,getlogin());pclose(d);} </code></pre> <p><a href="http://www.ioccc.org/1989/tromp.hint" rel="nofollow noreferrer">http://www.ioccc.org/1989/tromp.hint</a></p>
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    1. POHow To Make a Tetris Clone?
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    1. USPaul Tomblin
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    1. COyes i know I could just brute force my way through the problem. That's not what I'm interested in doing or else I would have gone ahead with my theory. I asked the question to see if anyone had an elegant/better solution to the way I plan to proceed.
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    2. COI see now, everything is clear!
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    3. COWriting good soundly structured code is important. Hacks not wanted here
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