Submission #1132483

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132483		lopkus	Sjeckanje (COCI21_sjeckanje)	C++20	55 / 110	2093 ms	3608 KiB

Main

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<int> a(n + 1);
    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;
        }
        vector<int> dp(n + 1, 0);
        int best1 = a[1];
        int best2 = - a[1];
        for(int i = 1; i <= n; i++) {
            dp[i] = max({dp[i - 1], best1 - a[i], best2 + a[i]});
            best1 = max(best1, dp[i - 1] + a[i]);
            best2 = max(best2, dp[i - 1] - a[i]);
        }
        cout << dp[n] << "\n";
    }
}

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