Submission #657769

# Submission time Handle Problem Language Result Execution time Memory
657769 2022-11-11T02:00:28 Z hollwo_pelw Secret (JOI14_secret) C++17
0 / 100
452 ms 8648 KB
#include "secret.h"
#include <bits/stdc++.h>
using namespace std;

// Secret(int x, int y);

int calc[1 << 10][1 << 10];

void Init(int N, int A[]) {
	memset(calc, -1, sizeof calc);
	for (int i = 0; i < N; i++)
		calc[i][i] = A[i];
	for (int i = 10; i; i --) {
		for (int L = 0; L < N; L += 1 << i) {
			int M = min(N, L + (1 << (i - 1)));
			int R = min(N - 1, L + (1 << i));
			for (int j = M + 1; j <= R; j++)
				calc[M][j] = Secret(calc[M][j - 1], A[j]);
			for (int j = M - 2; j >= L; j--)
				calc[j][M - 1] = Secret(calc[j + 1][M - 1], A[j]);
		}
	}
}

int Query(int L, int R) {
	if (calc[L][R] >= 0)
		return calc[L][R];
	for (int M = L; M < R; M++) {
		if (calc[L][M] >= 0 && calc[M + 1][R] >= 0)
			return Secret(calc[L][M], calc[M + 1][R]);
	}
}

Compilation message

secret.cpp: In function 'int Query(int, int)':
secret.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
   32 | }
      | ^
# Verdict Execution time Memory Grader output
1 Incorrect 115 ms 6464 KB Wrong Answer: Query(113, 206) - expected : 536899947, actual : 538256673.
2 Incorrect 116 ms 6560 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3 Incorrect 117 ms 6552 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 162768982.
4 Incorrect 424 ms 8372 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 546373765.
5 Incorrect 442 ms 8408 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 707448136.
6 Incorrect 427 ms 8348 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 722663411.
7 Incorrect 448 ms 8568 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 54559803.
8 Incorrect 452 ms 8648 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 822146056.
9 Incorrect 426 ms 8428 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 408296780.
10 Incorrect 426 ms 8436 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 67347979.