#include "pyramids.h"
#include <vector>
std::vector<int> prefixA, prefixB;
void init(std::vector<int> A, std::vector<int> B) {
int N = A.size();
prefixA.resize(N + 1, 0);
prefixB.resize(N + 1, 0);
for (int i = 0; i < N; ++i) {
prefixA[i + 1] = prefixA[i] + A[i];
prefixB[i + 1] = prefixB[i] + B[i];
}
}
bool can_transform(int L, int R, int X, int Y) {
int sumA = prefixA[R + 1] - prefixA[L];
int sumB = prefixB[Y + 1] - prefixB[X];
return sumA == sumB;
}
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