Accepted
/in/foo.cc: In function 'int main()': /in/foo.cc:17:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] for(int i=1;i+(1<<j-1)<=n;i++) ~^~ /in/foo.cc:18:33: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] f[i][j]=max(f[i][j-1],f[i+(1<<j-1)][j-1]); ~^~