Submission #1108584

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108584		huantran	Sjeckanje (COCI21_sjeckanje)	C++17	15 / 110	2057 ms	2552 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long int;
const int maxn = 2e5 + 5;
const int oo = 1e9 + 7;
const ll inf = 1e18;

int n, q;
ll a[maxn], st[4*maxn], dp[maxn];

void sub1() { // O(n^2 * q)
    cin >> n >> q;
    for (int i = 1; i <= n; i++)
        cin >> a[i];

    while (q--) {
        int l, r, x;
        cin >> l >> r >> x;

        for (int i = l; i <= r; i++)
            a[i] += x;

        dp[0] = 0;
        for (int i = 1; i <= n; i++) {
            dp[i] = 0;
            ll mx = a[i];
            ll mn = a[i];
            for (int j = i; j >= 1; j--) {
                mx = max(mx, a[j]);
                mn = min(mn, a[j]);

                dp[i] = max(dp[i], mx - mn + dp[j - 1]);
            }
        }

        cout << dp[n] << '\n';
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);

    sub1();
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 55