oj.uz

Submission #487176

# Submission time Handle Problem Language Result Execution time Memory
487176 2021-11-14T18:59:00 Z Victor Secret (JOI14_secret) C++17
0 / 100
 447 ms 8236 KB 
#include "secret.h"

#include <bits/stdc++.h>

using namespace std;

#define rep(i, a, b) for (int i = (a); i < (b); ++i)
#define per(i, a, b) for (int i = (b - 1); i >= (a); --i)
#define trav(a, x) for (auto &a : x)

#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define pb push_back
#define debug(x) cout << #x << " = " << x << endl

#define umap unordered_map
#define uset unordered_set

typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef vector<pll> vpll;

const int INF = 1'000'000'007;

int precomp[1001][1001], nums[1001];
int n;

void dnc(int lo, int hi) {
    if (lo >= hi) return;

    int mid = (lo + hi) / 2;
    precomp[mid][mid] = nums[mid];
    per(i,lo,mid)precomp[i][mid]=Secret(nums[i], precomp[i+1][mid]);

    precomp[mid+1][mid+1] = nums[mid+1];
    rep(i,mid+2,hi+1)precomp[mid+1][i]=Secret(nums[i], precomp[mid+1][i-1]);
}

void Init(int N, int A[]) {
    memset(precomp,-1,sizeof(precomp));
    rep(i, 0, N) nums[i] = A[i];
    dnc(0, N - 1);
    n = N;
}

int Query(int L, int R) {
    if (L == R) return nums[L];

    int lo = 0, hi = n - 1;
    while (1) {
        int mid = (lo + hi) / 2;
        if (L <= mid && mid < R) return Secret(precomp[L][mid], precomp[mid+1][R]);
        if(R==mid)return precomp[L][mid];
        if (R <= mid)
            hi = mid;
        else
            lo = mid + 1;
    }
    return 0;
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 117 ms 6196 KB Wrong Answer [1]
2 Incorrect 112 ms 6220 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376.
3 Incorrect 111 ms 6212 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820.
4 Incorrect 430 ms 8236 KB Wrong Answer [1]
5 Incorrect 416 ms 8184 KB Wrong Answer [1]
6 Incorrect 425 ms 8128 KB Wrong Answer [1]
7 Incorrect 421 ms 8148 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570.
8 Incorrect 421 ms 8144 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264.
9 Incorrect 447 ms 8096 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135.
10 Incorrect 425 ms 8148 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726.