oj.uz

Submission #321640

# Submission time Handle Problem Language Result Execution time Memory
321640 2020-11-13T00:56:54 Z Kenzo_1114 Secret (JOI14_secret) C++17
0 / 100
 516 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 + 1][i] = Secret(ans[mid + 1][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 137 ms 4460 KB Wrong Answer: Query(56, 56) - expected : 677274107, actual : 421071224.
2 Incorrect 133 ms 4460 KB Wrong Answer: Query(389, 389) - expected : 472506730, actual : 183032171.
3 Incorrect 133 ms 4460 KB Wrong Answer: Query(18, 18) - expected : 238214183, actual : 44330347.
4 Incorrect 498 ms 8320 KB Wrong Answer: Query(788, 788) - expected : 937598145, actual : 876305518.
5 Incorrect 506 ms 8300 KB Wrong Answer: Query(957, 957) - expected : 115761809, actual : 370472857.
6 Incorrect 493 ms 8284 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 31281100.
7 Correct 508 ms 8300 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
8 Correct 506 ms 8300 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
9 Correct 509 ms 8324 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1
10 Correct 516 ms 8428 KB Output is correct - number of calls to Secret by Init = 7978, maximum number of calls to Secret by Query = 1