/in/foo.c: In function 'main':
/in/foo.c:16:24: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
      else if(m==2||m==0&&(t-n)==2)
                        ^
/in/foo.c:5:6: warning: unused variable 'j' [-Wunused-variable]
  int j,i,n;
      ^
/in/foo.c:34:11: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
     printf("No\n%d",i);
           ^