oj.uz

Submission #134318

# Submission time Handle Problem Language Result Execution time Memory
134318 2019-07-22T12:19:58 Z someone_aa Secret (JOI14_secret) C++17
0 / 100
 599 ms 12720 KB 
#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1100;
int prefix[maxn][maxn];
int suffix[maxn][maxn];
int arr[maxn], n;

void precompute(int l, int r) {
	if(l == r) prefix[l][l] = suffix[l][l] = arr[l];
	else {
		int mid = (l + r) / 2;

		prefix[mid][mid] = suffix[mid][mid] = arr[mid];

		for(int i=mid-1;i>=l;i--) {
			suffix[mid][i] = Secret(arr[i], suffix[mid][i+1]);
		}

		for(int i=mid+1;i<=r;i++) {
			prefix[mid][i] = Secret(prefix[mid][i-1], arr[i]);
		}

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

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

int solve(int ql, int qr, int li=0, int ri=n-1) {
	if(li == ri) return arr[li];
	else {
		int mid = (li + ri) / 2;

		if(ql <= mid && qr > mid) {
			//cout<<ql<<", "<<qr<<" mid point: "<<mid<<"Here: ["<<li<<", "<<ri<<"]\n";
			return Secret(suffix[mid][ql], prefix[mid][qr]);
		}
		else if(qr <= mid) {
			return solve(ql, qr, li, mid);
		}
		else {
			return solve(ql, qr, mid+1, ri);
		}
	}
}

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

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 162 ms 6648 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 318854190.
2 Incorrect 164 ms 6776 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 534774241.
3 Incorrect 165 ms 6652 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 204699730.
4 Incorrect 593 ms 12440 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 273285253.
5 Incorrect 599 ms 12512 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 509231116.
6 Incorrect 594 ms 12552 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 707400362.
7 Incorrect 598 ms 12512 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 9155594.
8 Incorrect 595 ms 12516 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 828815616.
9 Incorrect 594 ms 12508 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 700983590.
10 Incorrect 596 ms 12720 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 813517315.