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Submission #959601

# Submission time Handle Problem Language Result Execution time Memory
959601 2024-04-08T13:38:44 Z ALTAKEXE Tortoise (CEOI21_tortoise) C++17
100 / 100
 56 ms 10256 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
const int N = 505050;
 
int n, a[N], l[N], r[N], s[N];
 
int main() {
    cin.tie(0); ios_base::sync_with_stdio(0);
    cin >> n;
    ll ans = 0;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        if (a[i] != -1)
            ans += a[i];
    }
 
    int p = -1, q = -1, y = -1;
    for (int i = 1; i <= n; i++) {
        if (a[i] == -1)
            p = i;
        else {
            if (p != -1)
                l[i] = p;
        }
    }
    p = -1;
    for (int i = n; i >= 1; i--) {
        if (a[i] == -1)
            p = i;
        else if (a[i]) {
            if (p != -1)
                r[i] = p;
 
            if (q != -1)
                s[i] = q;
            else
                y = i;
            
            q = i;
        }
    }
 
    map<int, int> mp;
    priority_queue<int> pq;
    ll sum = 0;
    for (int i = 1; i <= n; i++) {
        if (a[i] <= 0) 
            continue;
        
        int d = 1e9;
        if (l[i])
            d = min(d, 2 * (i - l[i]));
        if (r[i])
            d = min(d, 2 * (r[i] - i));
        
        int f = d;
        if (s[i] && r[i]) {
            if (s[i] < r[i])
                f = min(f, 2 * (r[i] - s[i]));
            else
                f = 0;
        }
 
        if (i == y)
            f = 0;
 
        --a[i];
        while (a[i] && sum + (i - 1) <= 2 * (i - 1)) {
            mp[d]++;
            sum += d;
            --a[i];
        }
 
        if (a[i]) {
            if (prev(mp.end())->first >= d) {
                mp[d] += a[i];
                sum += 1ll * d * a[i];
            }   
 
            while (!mp.empty() && sum + (i - 1) > 2 * (i - 1)) {
                auto [a, b] = *prev(mp.end());
 
                if (sum - 1ll * a * b + (i - 1) > 2 * (i - 1)) {
                    sum -= 1ll * a * b;
                    mp.erase(prev(mp.end()));
                }
                else {
                    ll diff = sum + (i - 1) - 2 * (i - 1);
                    ll r = (diff - 1) / a;
 
                    sum -= 1ll * a * r;
                    mp[a] -= r;
                    break;
                }
            }
        }
 
        if (sum + (i - 1) > 2 * (i - 1)) {
            if (prev(mp.end())->first >= f) {
                auto [a, b] = *prev(mp.end());
 
                sum -= a;
                if (--mp[a] == 0)
                    mp.erase(prev(mp.end()));
                
                sum += f;
                mp[f]++;
            }
        }
        else {
            sum += f;
            mp[f]++;
        }
    }
    for (auto [a, b] : mp)
        ans -= b;
 
    cout << ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6604 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6744 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6608 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6604 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6744 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6608 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6488 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6612 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6604 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6744 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6608 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6488 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6612 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 1 ms 6492 KB Output is correct
44 Correct 1 ms 6492 KB Output is correct
45 Correct 1 ms 6492 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 1 ms 6492 KB Output is correct
48 Correct 1 ms 6492 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6492 KB Output is correct
51 Correct 1 ms 6492 KB Output is correct
52 Correct 1 ms 6492 KB Output is correct
53 Correct 1 ms 6492 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 1 ms 6608 KB Output is correct
56 Correct 1 ms 6492 KB Output is correct
57 Correct 1 ms 6616 KB Output is correct
58 Correct 1 ms 6492 KB Output is correct
59 Correct 1 ms 6608 KB Output is correct
60 Correct 1 ms 6492 KB Output is correct
61 Correct 2 ms 6492 KB Output is correct
62 Correct 1 ms 6492 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6604 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6744 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6608 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6488 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6612 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 1 ms 6492 KB Output is correct
44 Correct 1 ms 6492 KB Output is correct
45 Correct 1 ms 6492 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 1 ms 6492 KB Output is correct
48 Correct 1 ms 6492 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6492 KB Output is correct
51 Correct 1 ms 6492 KB Output is correct
52 Correct 1 ms 6492 KB Output is correct
53 Correct 1 ms 6492 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 1 ms 6608 KB Output is correct
56 Correct 1 ms 6492 KB Output is correct
57 Correct 1 ms 6616 KB Output is correct
58 Correct 1 ms 6492 KB Output is correct
59 Correct 1 ms 6608 KB Output is correct
60 Correct 1 ms 6492 KB Output is correct
61 Correct 2 ms 6492 KB Output is correct
62 Correct 1 ms 6492 KB Output is correct
63 Correct 1 ms 6492 KB Output is correct
64 Correct 1 ms 6492 KB Output is correct
65 Correct 2 ms 6492 KB Output is correct
66 Correct 2 ms 6492 KB Output is correct
67 Correct 1 ms 6492 KB Output is correct
68 Correct 1 ms 6492 KB Output is correct
69 Correct 1 ms 6492 KB Output is correct
70 Correct 1 ms 6492 KB Output is correct
71 Correct 2 ms 6632 KB Output is correct
72 Correct 2 ms 6492 KB Output is correct
73 Correct 1 ms 6492 KB Output is correct
74 Correct 2 ms 6492 KB Output is correct
75 Correct 1 ms 6492 KB Output is correct
76 Correct 2 ms 6492 KB Output is correct
77 Correct 2 ms 6500 KB Output is correct
78 Correct 2 ms 6492 KB Output is correct
79 Correct 1 ms 6492 KB Output is correct
80 Correct 2 ms 6492 KB Output is correct
81 Correct 1 ms 6492 KB Output is correct
82 Correct 2 ms 6492 KB Output is correct
83 Correct 2 ms 6500 KB Output is correct
84 Correct 2 ms 6744 KB Output is correct
85 Correct 2 ms 6492 KB Output is correct
86 Correct 2 ms 6492 KB Output is correct
87 Correct 2 ms 6492 KB Output is correct
88 Correct 1 ms 6620 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6604 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6744 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6488 KB Output is correct
15 Correct 2 ms 6488 KB Output is correct
16 Correct 1 ms 6488 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6608 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6492 KB Output is correct
29 Correct 1 ms 6488 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 2 ms 6492 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 1 ms 6612 KB Output is correct
38 Correct 2 ms 6492 KB Output is correct
39 Correct 1 ms 6492 KB Output is correct
40 Correct 1 ms 6488 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 1 ms 6492 KB Output is correct
44 Correct 1 ms 6492 KB Output is correct
45 Correct 1 ms 6492 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 1 ms 6492 KB Output is correct
48 Correct 1 ms 6492 KB Output is correct
49 Correct 1 ms 6492 KB Output is correct
50 Correct 1 ms 6492 KB Output is correct
51 Correct 1 ms 6492 KB Output is correct
52 Correct 1 ms 6492 KB Output is correct
53 Correct 1 ms 6492 KB Output is correct
54 Correct 1 ms 6492 KB Output is correct
55 Correct 1 ms 6608 KB Output is correct
56 Correct 1 ms 6492 KB Output is correct
57 Correct 1 ms 6616 KB Output is correct
58 Correct 1 ms 6492 KB Output is correct
59 Correct 1 ms 6608 KB Output is correct
60 Correct 1 ms 6492 KB Output is correct
61 Correct 2 ms 6492 KB Output is correct
62 Correct 1 ms 6492 KB Output is correct
63 Correct 1 ms 6492 KB Output is correct
64 Correct 1 ms 6492 KB Output is correct
65 Correct 2 ms 6492 KB Output is correct
66 Correct 2 ms 6492 KB Output is correct
67 Correct 1 ms 6492 KB Output is correct
68 Correct 1 ms 6492 KB Output is correct
69 Correct 1 ms 6492 KB Output is correct
70 Correct 1 ms 6492 KB Output is correct
71 Correct 2 ms 6632 KB Output is correct
72 Correct 2 ms 6492 KB Output is correct
73 Correct 1 ms 6492 KB Output is correct
74 Correct 2 ms 6492 KB Output is correct
75 Correct 1 ms 6492 KB Output is correct
76 Correct 2 ms 6492 KB Output is correct
77 Correct 2 ms 6500 KB Output is correct
78 Correct 2 ms 6492 KB Output is correct
79 Correct 1 ms 6492 KB Output is correct
80 Correct 2 ms 6492 KB Output is correct
81 Correct 1 ms 6492 KB Output is correct
82 Correct 2 ms 6492 KB Output is correct
83 Correct 2 ms 6500 KB Output is correct
84 Correct 2 ms 6744 KB Output is correct
85 Correct 2 ms 6492 KB Output is correct
86 Correct 2 ms 6492 KB Output is correct
87 Correct 2 ms 6492 KB Output is correct
88 Correct 1 ms 6620 KB Output is correct
89 Correct 29 ms 9504 KB Output is correct
90 Correct 29 ms 9280 KB Output is correct
91 Correct 38 ms 9172 KB Output is correct
92 Correct 36 ms 9296 KB Output is correct
93 Correct 36 ms 9240 KB Output is correct
94 Correct 36 ms 9308 KB Output is correct
95 Correct 30 ms 9300 KB Output is correct
96 Correct 34 ms 9532 KB Output is correct
97 Correct 37 ms 9300 KB Output is correct
98 Correct 39 ms 9300 KB Output is correct
99 Correct 48 ms 10256 KB Output is correct
100 Correct 52 ms 9820 KB Output is correct
101 Correct 56 ms 10068 KB Output is correct
102 Correct 51 ms 9808 KB Output is correct
103 Correct 25 ms 9040 KB Output is correct
104 Correct 4 ms 6748 KB Output is correct
105 Correct 4 ms 6628 KB Output is correct
106 Correct 3 ms 6744 KB Output is correct
107 Correct 4 ms 6748 KB Output is correct
108 Correct 4 ms 6748 KB Output is correct
109 Correct 21 ms 9064 KB Output is correct