oj.uz

Submission #1032013

# Submission time Handle Problem Language Result Execution time Memory
1032013 2024-07-23T10:00:43 Z juicy Secret (JOI14_secret) C++17
100 / 100
 299 ms 8532 KB 
#include <bits/stdc++.h>

#include "secret.h"

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

int n;
int a[1000], F[1000][1000];
bool vs[1000];

void dc(int l = 0, int r = n - 1) {
	if (l == r) {
		return;
	}
	int md = (l + r) / 2;
	dc(l, md);
	dc(md + 1, r);
	F[md][md] = a[md];
	for (int i = md - 1; i >= l; --i) {
		if (F[i][md] == -1) {
			F[i][md] = Secret(a[i], F[i + 1][md]);
		}
	}
	F[md + 1][md + 1] = a[md + 1];
	for (int i = md + 2; i <= r; ++i) {
		if (F[md + 1][i] == -1) {
			F[md + 1][i] = Secret(F[md + 1][i - 1], a[i]);
		}
	}
}

int Query(int L, int R) {
	for (int K = L; K < R; ++K) {
		if (F[L][K] != -1 && F[K + 1][R] != -1) {
			return Secret(F[L][K], F[K + 1][R]);
		}
	} 
	return a[L];
}

void Init(int _n, int *A) {
	n = _n;
	for (int i = 0; i < n; ++i) {
		a[i] = A[i];
	}
	memset(F, -1, sizeof(F));
	for (int i = 0; i < n; ++i) {
		F[i][i] = a[i];
	}
	dc();
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 8280 KB Output is correct - number of calls to Secret by Init = 3084, maximum number of calls to Secret by Query = 1
2 Correct 90 ms 8292 KB Output is correct - number of calls to Secret by Init = 3092, maximum number of calls to Secret by Query = 1
3 Correct 79 ms 8272 KB Output is correct - number of calls to Secret by Init = 3101, maximum number of calls to Secret by Query = 1
4 Correct 274 ms 8276 KB Output is correct - number of calls to Secret by Init = 6989, maximum number of calls to Secret by Query = 1
5 Correct 272 ms 8280 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1
6 Correct 275 ms 8240 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1
7 Correct 263 ms 8280 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1
8 Correct 283 ms 8280 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1
9 Correct 299 ms 8208 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1
10 Correct 295 ms 8532 KB Output is correct - number of calls to Secret by Init = 6997, maximum number of calls to Secret by Query = 1