Submission #1306867

#	Time	Username	Problem	Language	Result	Execution time	Memory
1306867		mncuchiinhuttt	비밀 (JOI14_secret)	C++20	0 / 100	332 ms	8324 KiB

secret

#include "secret.h";

int n;
int dnc[1007][1007];

void go(int l, int r, int A[]) {
    if (l == r) return;
    int mid = (l + r) >> 1;
    dnc[mid][mid] = A[mid];
    dnc[mid + 1][mid + 1] = A[mid + 1];
    dnc[mid][mid + 1] = Secret(A[mid], A[mid + 1]);
    for (int i = mid - 1; i >= l; --i) {
        dnc[i][mid] = Secret(dnc[i + 1][mid], A[i]);
    }
    for (int i = mid + 2; i <= r; ++i) {
        dnc[mid + 1][i] = Secret(dnc[mid + 1][i - 1], A[i]);
    }
    go(l, mid, A);
    go(mid + 1, r, A);
}

void Init(int N, int A[]) {
    n = N;
    go(0, n - 1, A);
}

int Query(int L, int R) {
    int a = 0, b = n - 1;
    while (a != b) {
        int mid = (a + b) >> 1;
        if (L <= mid and mid < R) {
            return Secret(dnc[L][mid], dnc[mid + 1][R]);
        } else if (mid == R) {
            return dnc[mid][L];
        } else if (mid < L) {
            a = mid + 1;
        } else {
            b = mid;
        }
    }
    return dnc[L][L];
}

Compilation message (stderr)

secret.cpp:1:20: warning: extra tokens at end of #include directive
    1 | #include "secret.h";
      |                    ^

• Subtask 1: 0 / 100