Submission #1070326

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070326		VMaksimoski008	Sjeckanje (COCI21_sjeckanje)	C++17	15 / 110	2052 ms	596 KiB

Main

#include <bits/stdc++.h>
//#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

signed main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    int n, q;
    cin >> n >> q;

    vector<ll> v(n+1), dp(n+1);
    for(int i=1; i<=n; i++) cin >> v[i];

    while(q--) {
        int l, r, x;
        cin >> l >> r >> x;
        for(int i=l; i<=r; i++) v[i] += x;

        for(int i=2; i<=n; i++) {
            dp[i] = 0;
            ll mn=1e18, mx=-1e18;
            bool t = (v[i-1] >= v[i]);
            for(int j=i; j>=1; j--) {
                if(t == 1 && j < i && v[j] < v[i]) break;
                if(t == 0 && j < i && v[j] > v[i]) break;
                mn = min(mn, v[j]);
                mx = max(mx, v[j]);
                dp[i] = max(dp[i], dp[j-1] + mx - mn);
            }
        }

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

    return 0;
}

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