OJ Board

It is passing all the test cases give here! can someone find the error please!!! using namespace std; #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<vector> #include<limits> #include<cmath> #define LLU long long unsigned int #define LLD long long double #define FO...

can someone tell me why this gets a WA? using namespace std; #include<iostream> #define LLU long long unsigned LLU rev(LLU x) { LLU i=0; while (x!=0) { i=i*10+(x%10); x/=10; } return i; } bool ispalin(LLU x) { int NO[20],i=0; while (x!=0) { NO[i++]=x%10; x/=10; } i--; for (int j=0;j<i;j++,i--) if(NO...

can someone give me critical cases? I tried all cases on this thread, my pro is running perfectly for all of them. But still WA