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Submission #881966

# Submission time Handle Problem Language Result Execution time Memory
881966 2023-12-02T10:51:17 Z Alan Secret (JOI14_secret) C++17
0 / 100
 381 ms 8616 KB 
#include <bits/stdc++.h>
using namespace std;

int Secret(int X, int Y);

int ans[1005][1005], N;

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

void Init (int n, int A[]) {
	N = n;
	for (int i = 0; i < n; i++) ans[i][i] = A[i];
	calc(1, n);
}

int solve (int l, int r, int ql, int qr) {
	int mid = (l+r)/2;
	if (qr <= mid) return solve(l, mid, ql, qr);
	if (mid+1 <= l) return solve(mid+1, r, ql, qr);
	return Secret(ans[ql][mid], ans[mid+1][qr]);
}

int Query (int L, int R) {
	return solve(1, N, L, R);
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 100 ms 6828 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 4486641.
2 Incorrect 101 ms 6828 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 845222152.
3 Incorrect 100 ms 6736 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 143984672.
4 Incorrect 375 ms 8368 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 92979738.
5 Incorrect 369 ms 8372 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 604127236.
6 Incorrect 381 ms 8616 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 805463384.
7 Incorrect 374 ms 8280 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 659564621.
8 Incorrect 378 ms 8584 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 547447763.
9 Incorrect 371 ms 8272 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 1318989.
10 Incorrect 379 ms 8592 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 607398405.