Time Exceeded
/in/foo.cc: In function 'int main()':
/in/foo.cc:16:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
rep(i,1,n) if(mp[a[i]]&1) if(ans1==0) ans1=a[i]; else{
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:16:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
rep(i,1,n) if(mp[a[i]]&1) if(ans1==0) ans1=a[i]; else{
^
