#include <bits/stdc++.h> using namespace std; #define ll long long const ll mmod = 998244353; #define vl vector<long long> #define vll vector<vector<long long>> #define pl pair<long long, long long> #define vb vector<bool> vl p1,p2; void init(std::vector<int> A, std::vector<int> B){ ll n = A.size(); p1 = {0}; p2 = {0}; for (ll i = 0; i < n; i++){ p1.push_back(p1[i] + A[i]); p2.push_back(p2[i] + B[i]); } } bool can_transform(int L, int R, int X, int Y){ if (p1[R+1] - p1[L] == p2[Y+1] - p2[X]){ return true; } else{ return false; } }