oj.uz

Submission #321635

# Submission time Handle Problem Language Result Execution time Memory
321635 2020-11-13T00:36:58 Z Kenzo_1114 Secret (JOI14_secret) C++17
0 / 100
 500 ms 8428 KB 
#include<bits/stdc++.h>
#include "secret.h"
using namespace std;
const int MAXN = 1010;

int N, ans[MAXN][MAXN];

void divide_and_conquer(int l, int r)
{
	if(r - l <= 1)	return;
	
	int mid = (l + r) >> 1;

	for(int i = mid - 1; l <= i; i--)	ans[i][mid] = Secret(ans[i][i], ans[i + 1][mid]);
	for(int i = mid + 2; i <= r; i++)	ans[mid][i] = Secret(ans[mid][i - 1], ans[i][i]);

	divide_and_conquer(l, mid);
	divide_and_conquer(mid + 1, r);	
}

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

int findAns(int l, int r, int L, int R)
{
	int mid = (l + r) >> 1;

	if(L <= mid && mid + 1 <= R)	return Secret(ans[L][mid], ans[mid + 1][R]);
	if(R <= mid)	return findAns(l, mid, L, R);
	else			return findAns(mid + 1, r, L, R);
}

int Query(int l, int r)
{
	if(r - l <= 1)	return Secret(ans[l][l], ans[r][r]);
	return findAns(0, N - 1, l, r);
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 133 ms 4460 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 805576266.
2 Incorrect 132 ms 4460 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 571476064.
3 Incorrect 133 ms 4460 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136730926.
4 Incorrect 493 ms 8428 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 870547617.
5 Incorrect 493 ms 8300 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 976357712.
6 Incorrect 496 ms 8300 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 31281100.
7 Incorrect 494 ms 8300 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 781793354.
8 Incorrect 499 ms 8292 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 499418120.
9 Incorrect 494 ms 8300 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 277351906.
10 Incorrect 500 ms 8300 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 274498057.