Problem:Traverse 4×4 matrix spirally.
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#include <stdio.h> int main() { //code int t,i,j; int ar[4][4]; scanf("%d",&t); while(t--) { for(i=0;i<4;i++) { for(j=0;j<4;j++) scanf("%d",&ar[i][j]); } for(i=0;i<4;i++) printf("%d ",ar[0][i]); for(i=1;i<4;i++) printf("%d ",ar[i][3]); for(i=2;i>=0;i--) printf("%d ",ar[3][i]); printf("%d %d ",ar[2][0],ar[1][0]); printf("%d %d ",ar[1][1],ar[1][2]); printf("%d %d\n",ar[2][2],ar[2][1]); } return 0; } |