Submission #895846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
895846	2023-12-30 22:25:10	tvladm2009	Exam (eJOI20_exam)	C++17	100 / 100	78 ms	123992 KiB

exam

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 5e3 + 7;
const int M = 1e5 + 7;
int a[M], b[M];
bool ok[N][N];
int dp[N][N];
int t[2 * M];
int n;
void build_tree() {
    for (int i = 0; i < n; ++i) t[i + n] = a[i];
    for (int i = n - 1; i > 0; --i) t[i] = max(t[2 * i], t[2 * i + 1]);
}
int get_max(int l, int r) {
    l += n, r += n;
    int res = 0;
    while (l < r) {
        if (l & 1) res = max(res, t[l++]);
        if (r & 1) res = max(res, t[--r]);
        l >>= 1, r >>= 1;
    }
    return res;
}
void subtask2() {
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 23 / 23
• Subtask 5: 16 / 16
• Subtask 6: 22 / 22