제출 #1165968

#제출 시각아이디문제언어결과실행 시간메모리
1165968aminabouakazPyramids (IOI24_pyramids)C++20
30 / 100
35 ms4296 KiB
#include "pyramids.h"
#include <vector>
using namespace std;

vector<int> prefixA, prefixB;

void init(vector<int> A, 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) {
    if (prefixA[R + 1] - prefixA[L] != prefixB[Y + 1] - prefixB[X]) return false;
    return true;
}
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