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Submission #914829

# Submission time Handle Problem Language Result Execution time Memory
914829 2024-01-22T17:52:40 Z Amirreza_Fakhri Candies (JOI18_candies) C++17
100 / 100
 232 ms 20924 KB 
// In the name of the God
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;

const int inf = 1e9+7;
const int mod = 998244353;
const int maxn = 2e5+5;

int n, a[maxn], pre[maxn], nxt[maxn];
set <pii, greater <pii> > st;

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        st.insert(mp(a[i], i));
        pre[i] = i-1, nxt[i] = i+1;
    }
    nxt[0] = 1, pre[n+1] = n;
    int ans = 0;
    for (int i = 0; i < (n+1)/2; i++) {
        int v = st.begin() -> F, j = st.begin() -> S;
        ans += v;
        cout << ans << '\n';
        st.erase(st.begin());
        if (pre[j] == 0) {
            st.erase(mp(a[nxt[j]], nxt[j]));
            nxt[pre[nxt[nxt[j]]] = 0] = nxt[nxt[j]];
        }
        else if (nxt[j] == n+1) {
            st.erase(mp(a[pre[j]], pre[j]));
            pre[nxt[pre[pre[j]]] = n+1] = pre[pre[j]];
        }
        else {
            st.erase(mp(a[pre[j]], pre[j])), st.erase(mp(a[nxt[j]], nxt[j]));
            a[j] = a[pre[j]]+a[nxt[j]]-a[j];
            nxt[pre[nxt[nxt[j]]] = j] = nxt[nxt[j]];
            pre[nxt[pre[pre[j]]] = j] = pre[pre[j]];
            st.insert(mp(a[j], j));
        }
    }
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4700 KB Output is correct
2 Correct 2 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 2 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 2 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 2 ms 4696 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 2 ms 4696 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4696 KB Output is correct
19 Correct 2 ms 4852 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4700 KB Output is correct
2 Correct 2 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 2 ms 4700 KB Output is correct
5 Correct 2 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4700 KB Output is correct
8 Correct 2 ms 4700 KB Output is correct
9 Correct 2 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 2 ms 4696 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 2 ms 4700 KB Output is correct
14 Correct 2 ms 4696 KB Output is correct
15 Correct 2 ms 4700 KB Output is correct
16 Correct 2 ms 4700 KB Output is correct
17 Correct 2 ms 4700 KB Output is correct
18 Correct 2 ms 4696 KB Output is correct
19 Correct 2 ms 4852 KB Output is correct
20 Correct 2 ms 4700 KB Output is correct
21 Correct 232 ms 19792 KB Output is correct
22 Correct 229 ms 20816 KB Output is correct
23 Correct 218 ms 20792 KB Output is correct
24 Correct 97 ms 20568 KB Output is correct
25 Correct 98 ms 20560 KB Output is correct
26 Correct 103 ms 20472 KB Output is correct
27 Correct 108 ms 20700 KB Output is correct
28 Correct 110 ms 20820 KB Output is correct
29 Correct 111 ms 20896 KB Output is correct
30 Correct 117 ms 20808 KB Output is correct
31 Correct 119 ms 20816 KB Output is correct
32 Correct 128 ms 20796 KB Output is correct
33 Correct 172 ms 20560 KB Output is correct
34 Correct 173 ms 20636 KB Output is correct
35 Correct 181 ms 20564 KB Output is correct
36 Correct 206 ms 20924 KB Output is correct
37 Correct 205 ms 20820 KB Output is correct
38 Correct 215 ms 20908 KB Output is correct
39 Correct 98 ms 20464 KB Output is correct
40 Correct 96 ms 20620 KB Output is correct
41 Correct 100 ms 20516 KB Output is correct
42 Correct 111 ms 20820 KB Output is correct
43 Correct 114 ms 20820 KB Output is correct
44 Correct 113 ms 20820 KB Output is correct
45 Correct 115 ms 20908 KB Output is correct
46 Correct 119 ms 20736 KB Output is correct
47 Correct 129 ms 20788 KB Output is correct
48 Correct 175 ms 20560 KB Output is correct
49 Correct 188 ms 20660 KB Output is correct
50 Correct 180 ms 20676 KB Output is correct