/in/foo.c: In function 'main':
/in/foo.c:47:10: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if((p)&&(pp)||(t==0))break;
       ~~~^~~~~~
/in/foo.c:23:12: warning: variable 'k1' set but not used [-Wunused-but-set-variable]
  int i,j,k,k1,k2,t,p,ii,jj,pp;
            ^~