oj.uz

Submission #834443

# Submission time Handle Problem Language Result Execution time Memory
834443 2023-08-22T14:26:07 Z serifefedartar Secret (JOI14_secret) C++17
0 / 100
 599 ms 524288 KB 
#include "secret.h"
#include <bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 1000000007
#define LOGN 20
#define MAXN 200005

int ranges[1005][1005];
int n;
void build(int l, int r, int A[]) {
    if (l > r)
        return ;
    
    int mid1 = (l+r)/2;
    int mid2 = mid1+1;
    ranges[mid1][mid1] = A[mid1];
    ranges[mid2][mid2] = A[mid2];
    for (int i = mid1-1; i >= 0; i--)
        ranges[i][mid1] = Secret(A[i], ranges[i+1][mid1]);
    for (int i = mid2+1; i <= r; i++)
        ranges[mid2][i] = Secret(ranges[mid2][i-1], A[i]);
    build(l, mid1, A);
    build(mid2, r, A);
}

void Init(int N, int A[]) {
    build(0, N-1, A);
    n = N;
}

int Query(int L, int R) {
    int now_l = 0;
    int now_r = n-1;
    while (now_l <= now_r) {
        int mid1 = (now_l+now_r)/2;
        int mid2 = (now_l+now_r)/2+1;
        if (L <= mid1 && R >= mid2)
            return Secret(ranges[L][mid1], ranges[mid2][R]);
        else if (L == mid2)
            return ranges[L][R];
        else if (R == mid1)
            return ranges[L][R];
        if (R <= mid1)
            now_r = mid1;
        else
            now_l = mid2;
    }
}

Compilation message

secret.cpp: In function 'int Query(int, int)':
secret.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
   53 | }
      | ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Runtime error 310 ms 524288 KB Execution killed with signal 9
2 Runtime error 308 ms 524288 KB Execution killed with signal 9
3 Runtime error 303 ms 524288 KB Execution killed with signal 9
4 Runtime error 579 ms 524288 KB Execution killed with signal 9
5 Runtime error 566 ms 524288 KB Execution killed with signal 9
6 Runtime error 569 ms 524288 KB Execution killed with signal 9
7 Runtime error 565 ms 524288 KB Execution killed with signal 9
8 Runtime error 567 ms 524288 KB Execution killed with signal 9
9 Runtime error 576 ms 524288 KB Execution killed with signal 9
10 Runtime error 599 ms 524288 KB Execution killed with signal 9