/in/foo.cc: In function 'int main()':
/in/foo.cc:19:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
     if((dp[j]+1) / k % 2 == 0)
       ^
/in/foo.cc:28:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
     if(((dp[j]+1)/k+1) % 2 == 0)
       ^