Submission #573935

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
573935	2022-06-07T12:46:23 Z	Vanilla	Secret (JOI14_secret)	C++17	0 / 100	466 ms	24408 KB

secret

#include <bits/stdc++.h>
#include "secret.h"
using namespace std;
const int maxn = 1001;
int pref [maxn][maxn];
int sg [maxn][maxn];

void build (int l, int r) {
	if (l >= r) return;
	int mid = (l + r) / 2;
	for (int i = mid - 1; i >= l; i--){
		for (int j = mid + 1; j <= r; j++){
			sg[i][j] = mid;
		}
	}
	for (int i = mid + 2; i <= r; i++){
		pref[mid + 1][i] = Secret(pref[mid + 1][i-1], pref[i][i]);
	}
	for (int i = mid - 1; i >= l; i--){
		pref[i][mid] = Secret(pref[i + 1][mid], pref[i][i]);
	}
	build (l, mid);
	build (mid + 1, r);

}

void Init(int N, int A[]) {
	for (int i = 0; i < N; i++){
		pref[i][i] = A[i];
	}
	build(0, N - 1);
	// for (int i = 0; i < N; i++){
	// 	for (int j = i; j < N; j++){
	// 		cout << i << " " << j << " " << sg[i][j] << "\n";
	// 	}
	// }
}

int Query(int L, int R) {
	if (pref[L][R]) return pref[L][R];
	int mid = sg[L][R];
	assert (pref[L][mid] && pref[mid + 1][R]);
	return Secret(pref[L][mid], pref[mid + 1][R]);
}

Subtask #1

0.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	115 ms	6348 KB	Wrong Answer: Query(113, 206) - expected : 536899947, actual : 538256673.
2	Incorrect	117 ms	6320 KB	Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560.
3	Incorrect	117 ms	6340 KB	Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500.
4	Incorrect	426 ms	11980 KB	Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568.
5	Incorrect	435 ms	12060 KB	Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316.
6	Runtime error	466 ms	24408 KB	Execution killed with signal 6
7	Incorrect	433 ms	12040 KB	Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873.
8	Incorrect	446 ms	12088 KB	Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792.
9	Incorrect	440 ms	12044 KB	Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577.
10	Incorrect	433 ms	12048 KB	Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787.