oj.uz

Submission #914806

# Submission time Handle Problem Language Result Execution time Memory
914806 2024-01-22T17:22:31 Z a_l_i_r_e_z_a Candies (JOI18_candies) C++17
100 / 100
 218 ms 19536 KB 
// In the name of God
// Hope is last to die

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;

#define pb push_back
#define S second
#define F first
#define mp make_pair
#define smax(x, y) (x) = max((x), (y))
#define smin(x, y) (x) = min((x), (y))
#define all(x) (x).begin(), (x).end()
#define len(x) ((int)(x).size())

const int maxn = 2e5 + 5; 
const int inf = 1e9 + 7;
int n, prv[maxn], nxt[maxn];
ll val[maxn];
set<pll> st;

int32_t main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n;
    for(int i = 1; i <= n; i++){
        int x; cin >> x;
        st.insert(mp(x, i));
        val[i] = x;
        prv[i] = i - 1;
        nxt[i] = i + 1;
    }
    ll ans = 0;
    while(st.size()){
        ll v = (*st.rbegin()).F, i = (*st.rbegin()).S;
        ans += v;
        cout << ans << '\n';
        st.erase(mp(v, i));
        prv[nxt[i]] = prv[i];
        nxt[prv[i]] = nxt[i]; 
        if(st.size() == 0) break;
        if(nxt[i] == n + 1){
            st.erase(mp(val[prv[i]], prv[i]));
            nxt[prv[prv[i]]] = nxt[i];
        }
        else if(prv[i] == 0){
            st.erase(mp(val[nxt[i]], nxt[i]));
            prv[nxt[nxt[i]]] = prv[i];
        }
        else{
            st.erase(mp(val[prv[i]], prv[i]));
            st.erase(mp(val[nxt[i]], nxt[i]));
            nxt[prv[prv[i]]] = i;
            prv[nxt[nxt[i]]] = i;
            val[i] = val[prv[i]] + val[nxt[i]] - val[i];
            nxt[i] = nxt[nxt[i]];
            prv[i] = prv[prv[i]];
            st.insert(mp(val[i], i));
        }
    }

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2648 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2652 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 2 ms 2904 KB Output is correct
6 Correct 2 ms 2528 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2908 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 2 ms 2648 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct

Subtask #2
92.0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2648 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2652 KB Output is correct
4 Correct 2 ms 2652 KB Output is correct
5 Correct 2 ms 2904 KB Output is correct
6 Correct 2 ms 2528 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 1 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2908 KB Output is correct
14 Correct 2 ms 2652 KB Output is correct
15 Correct 1 ms 2652 KB Output is correct
16 Correct 2 ms 2648 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 1 ms 2652 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct
21 Correct 211 ms 19356 KB Output is correct
22 Correct 213 ms 19308 KB Output is correct
23 Correct 218 ms 19284 KB Output is correct
24 Correct 98 ms 19120 KB Output is correct
25 Correct 110 ms 19276 KB Output is correct
26 Correct 100 ms 19280 KB Output is correct
27 Correct 111 ms 19520 KB Output is correct
28 Correct 111 ms 19440 KB Output is correct
29 Correct 108 ms 19536 KB Output is correct
30 Correct 116 ms 19428 KB Output is correct
31 Correct 114 ms 19536 KB Output is correct
32 Correct 112 ms 19344 KB Output is correct
33 Correct 163 ms 19152 KB Output is correct
34 Correct 158 ms 19128 KB Output is correct
35 Correct 164 ms 19284 KB Output is correct
36 Correct 212 ms 19284 KB Output is correct
37 Correct 211 ms 19324 KB Output is correct
38 Correct 206 ms 19280 KB Output is correct
39 Correct 98 ms 19288 KB Output is correct
40 Correct 102 ms 19284 KB Output is correct
41 Correct 98 ms 19240 KB Output is correct
42 Correct 114 ms 19280 KB Output is correct
43 Correct 109 ms 19368 KB Output is correct
44 Correct 114 ms 19280 KB Output is correct
45 Correct 114 ms 19284 KB Output is correct
46 Correct 132 ms 19380 KB Output is correct
47 Correct 116 ms 19316 KB Output is correct
48 Correct 174 ms 19208 KB Output is correct
49 Correct 168 ms 19280 KB Output is correct
50 Correct 173 ms 19104 KB Output is correct