online compiler and debugger for c/c++

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Source Code    Language
#include <stdio.h> int main() { int a[]={1,2,3,4,5,6},h,i,j,k; int b[15][3][2]; for(i=0;i<3;i++){b[0][i][0]=a[2*i];b[0][i][1]=a[2*i+1];} // translate a to b for(i=1;i<5;i++)for(j=0;j<3;j++)for(k=0;k<2;k++){b[i][j][k]=b[0][j][k];} // dup 4 // generate 4 more seed arrays by swapping the last element of the first pair for(i=1;i<5;i++){ k=b[i][0][1]; b[i][0][1]=b[i][(i+1)/2][(i+1)%2]; // the "i+1" - th element of a from b[i] b[i][(i+1)/2][(i+1)%2]=k; // swap by k } for(h=1;h<3;h++)for(i=0;i<5;i++)for(j=0;j<3;j++)for(k=0;k<2;k++){b[5*h+i][j][k]=b[i][j][k];} // dup 10 // swap the the last element of the 2-nd pair ... in 2 instances for(i=0;i<5;i++){ k=b[5+i][1][1]; j=b[10+i][1][1]; // insane b[5+i][1][1]=b[5+i][2][0]; // no-comment , non-opt b[10+i][1][1]=b[10+i][2][1]; // just getting it done ... b[5+i][2][0]=k; // swap by k b[10+i][2][1]=j; // swap by j } for(k=0;k<5;k++){ j=5+k; i=10+k; printf("%d : (%d,%d)(%d,%d)(%d,%d) , ",k,b[k][0][0],b[k][0][1],b[k][1][0],b[k][1][1],b[k][2][0],b[k][2][1]); printf("%d : (%d,%d)(%d,%d)(%d,%d) , ",k,b[j][0][0],b[j][0][1],b[j][1][0],b[j][1][1],b[j][2][0],b[j][2][1]); printf("%d : (%d,%d)(%d,%d)(%d,%d)\n",k,b[i][0][0],b[i][0][1],b[i][1][0],b[i][1][1],b[i][2][0],b[i][2][1]); } printf("Done!\n"); return 0; }

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