Submission #525914

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
525914	2022-02-13T07:42:30 Z	Nihal_9936	Secret (JOI14_secret)	C++14	0 / 100	20000 ms	8180 KB

secret

#include <bits/stdc++.h>
using namespace std;
#include "secret.h"

int dp[1001][1001];
int n;

void solve(int f, int l, int A[]){
	int mid = (f + l) / 2;
	dp[mid][mid] = A[mid];
	dp[mid + 1][mid + 1] = A[mid + 1];

	for(int i = mid - 1; i >= f; i--){
		dp[mid][i] = Secret(A[i], dp[mid][i + 1]);
	}

	for(int i = mid + 2; i <= l; i++){
		dp[mid + 1][i] = Secret(A[i], dp[mid + 1][i - 1]);
	}

	if(f < mid) solve(f, mid, A);
	if(mid + 1 < l) solve(mid + 1, l, A); 
}


void Init(int N, int A[]) {
	// for(int i = 0; i < 1001; i++){
	// 	for(int j = 0; j < 1001; j++){
	// 		dp[i][j] = -1;
	// 	}
	// }
	n = N;
	solve(0, n - 1, A);
}

int Query(int l, int r){
	int f = 0, ls = n - 1;
	while(true){
		int mid = (f + ls) / 2;
		if(l <= mid and mid < r){
			return Secret(dp[mid][l], dp[mid + 1][r]);
		}
		if(r <= mid){
			ls = mid;
		}else{
			f = mid + 1;
		}
	}
}

Subtask #1

0.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	118 ms	4276 KB	Wrong Answer: Query(222, 254) - expected : 34031541, actual : 809782271.
2	Incorrect	114 ms	4276 KB	Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376.
3	Incorrect	115 ms	4316 KB	Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820.
4	Incorrect	432 ms	8132 KB	Wrong Answer: Query(90, 497) - expected : 397934825, actual : 650789536.
5	Incorrect	422 ms	8136 KB	Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838.
6	Execution timed out	20081 ms	8132 KB	Time limit exceeded
7	Incorrect	429 ms	8076 KB	Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570.
8	Incorrect	424 ms	8128 KB	Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264.
9	Incorrect	432 ms	8180 KB	Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135.
10	Incorrect	440 ms	8108 KB	Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726.