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GETTING WRONG ANSWER.....SOMEBODY PLZ TELL ME WATS WRNG WID DA CODE

#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstdlib>
#include<cstring>
#include<algorithm>
#include<vector>
#include<stack>
#include<deque>
#include<queue>
#include<utility>
# define U unsigned long ...