Submission #583711

#	Time	Username	Problem	Language	Result	Execution time	Memory
583711		n3rm1n	Addk (eJOI21_addk)	C++17	36 / 100	91 ms	636 KiB

Main

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;

const int MAXN = 1e4 + 10;

void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}

int n, k, a[MAXN];

void read_array()
{
    cin >> n >> k;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> a[i];
    }
}
long long answer(int l, int r, int m)
{
    long long ans = 0;
    for (int i = l; i <= r; ++ i)
    {
        long long cnt = m;
        long long before = i - l, after = r - i;
        if(before < m)cnt -=  m - before - 1;
        if(i > r - m + 1)cnt -= m - after - 1;
        ///cout << i << " / " << cnt << endl;
        ans += 1ll * a[i] * cnt;
    }
    return ans;
}
void queries()
{
    int q;
    cin >> q;
    int type, l, r, m, x;
    while(q --)
    {
        cin >> type;
        if(type & 1)
        {
            cin >> x;
            continue;
        }
        else
        {
            cin >> l >> r >> m;
            cout << answer(l, r, m) << endl;
        }
    }
}
int main()
{

    speed();

    read_array();
    queries();
    return 0;
}

• Subtask 1: 36 / 36
• Subtask 2: 0 / 56
• Subtask 3: 0 / 8