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답안 #1001940

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1001940 2024-06-19T08:40:31 Z LOLOLO Jobs (BOI24_jobs) C++17
100 / 100
 247 ms 74440 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
#define           f     first
#define           s     second
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (ll)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 3e5 + 10;
vector <int> ed[N];
priority_queue <pair <ll, ll>> pq[N];
ll a[N];

void dfs(int u) {
    for (auto x : ed[u]) {
        dfs(x);
        if (sz(pq[x]) > sz(pq[u]))
            swap(pq[x], pq[u]);

        while (sz(pq[x])) {
            auto t = pq[x].top();
            pq[x].pop();
            pq[u].push(t);
        }
    }

    if (a[u] > 0) {
        pq[u].push({0, a[u]});
    } else {
        ll mn = a[u], sum = a[u];
        while (sz(pq[u])) {
            auto t = pq[u].top();
            if (sum <= 0) {
                mn = min(mn, sum + t.f);
                sum += t.s;
                pq[u].pop();
            } else {
                if (t.f < mn) 
                    break;

                sum += t.s;
                pq[u].pop();
            }
        }

        if (sum > 0)
            pq[u].push({mn, sum});
    }
}


ll solve() {
    int n;
    cin >> n >> a[0];

    for (int i = 1; i <= n; i++) {
        int x;
        cin >> a[i] >> x;
        ed[x].pb(i);
    }

    ll s = 0;
    dfs(0);

    while (sz(pq[0])) {
        auto t = pq[0].top();
        pq[0].pop();
        if (s + t.f >= 0) {
            s += t.s;
        } else {
            break;
        }
    }

    return s - a[0];
}
 
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
 
    int t = 1;
    //cin >> t;
 
    while (t--) {
        cout << solve() << '\n';
    }
 
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 234 ms 53212 KB Output is correct
2 Correct 196 ms 42940 KB Output is correct
3 Correct 135 ms 37172 KB Output is correct
4 Correct 127 ms 47788 KB Output is correct
5 Correct 112 ms 55080 KB Output is correct
6 Correct 112 ms 36300 KB Output is correct
7 Correct 202 ms 46308 KB Output is correct
8 Correct 144 ms 38140 KB Output is correct
9 Correct 91 ms 50040 KB Output is correct
10 Correct 104 ms 54792 KB Output is correct
11 Correct 247 ms 54940 KB Output is correct
12 Correct 192 ms 46276 KB Output is correct
13 Correct 208 ms 52244 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 6 ms 16904 KB Output is correct
3 Correct 7 ms 16732 KB Output is correct
4 Correct 8 ms 16916 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 7 ms 17008 KB Output is correct
7 Correct 7 ms 16988 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 7 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16988 KB Output is correct
13 Correct 10 ms 17088 KB Output is correct
14 Correct 8 ms 16988 KB Output is correct
15 Correct 8 ms 16888 KB Output is correct
16 Correct 8 ms 17044 KB Output is correct
17 Correct 7 ms 17240 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16984 KB Output is correct
20 Correct 7 ms 16916 KB Output is correct
21 Correct 7 ms 16992 KB Output is correct
22 Correct 8 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 7 ms 16988 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 6 ms 16904 KB Output is correct
3 Correct 7 ms 16732 KB Output is correct
4 Correct 8 ms 16916 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 7 ms 17008 KB Output is correct
7 Correct 7 ms 16988 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 7 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16988 KB Output is correct
13 Correct 10 ms 17088 KB Output is correct
14 Correct 8 ms 16988 KB Output is correct
15 Correct 8 ms 16888 KB Output is correct
16 Correct 8 ms 17044 KB Output is correct
17 Correct 7 ms 17240 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16984 KB Output is correct
20 Correct 7 ms 16916 KB Output is correct
21 Correct 7 ms 16992 KB Output is correct
22 Correct 8 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 7 ms 16988 KB Output is correct
29 Correct 82 ms 39108 KB Output is correct
30 Correct 81 ms 39172 KB Output is correct
31 Correct 76 ms 35780 KB Output is correct
32 Correct 97 ms 73060 KB Output is correct
33 Correct 85 ms 56780 KB Output is correct
34 Correct 80 ms 49448 KB Output is correct
35 Correct 43 ms 27472 KB Output is correct
36 Correct 85 ms 43232 KB Output is correct
37 Correct 87 ms 40372 KB Output is correct
38 Correct 95 ms 72136 KB Output is correct
39 Correct 105 ms 57704 KB Output is correct
40 Correct 89 ms 46152 KB Output is correct
41 Correct 78 ms 37456 KB Output is correct
42 Correct 49 ms 32196 KB Output is correct
43 Correct 87 ms 49988 KB Output is correct
44 Correct 109 ms 74396 KB Output is correct
45 Correct 89 ms 57424 KB Output is correct
46 Correct 90 ms 49440 KB Output is correct
47 Correct 90 ms 37452 KB Output is correct
48 Correct 82 ms 38088 KB Output is correct
49 Correct 90 ms 40132 KB Output is correct
50 Correct 97 ms 74440 KB Output is correct
51 Correct 67 ms 48324 KB Output is correct
52 Correct 81 ms 45640 KB Output is correct
53 Correct 59 ms 40284 KB Output is correct
54 Correct 77 ms 37076 KB Output is correct
55 Correct 108 ms 40336 KB Output is correct
56 Correct 89 ms 74440 KB Output is correct
57 Correct 94 ms 56896 KB Output is correct
58 Correct 92 ms 45548 KB Output is correct
59 Correct 88 ms 43712 KB Output is correct
60 Correct 63 ms 37488 KB Output is correct
61 Correct 82 ms 48960 KB Output is correct
62 Correct 99 ms 47636 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 6 ms 16904 KB Output is correct
3 Correct 7 ms 16732 KB Output is correct
4 Correct 8 ms 16916 KB Output is correct
5 Correct 8 ms 17244 KB Output is correct
6 Correct 7 ms 17008 KB Output is correct
7 Correct 7 ms 16988 KB Output is correct
8 Correct 8 ms 16988 KB Output is correct
9 Correct 7 ms 16988 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 10 ms 16988 KB Output is correct
13 Correct 10 ms 17088 KB Output is correct
14 Correct 8 ms 16988 KB Output is correct
15 Correct 8 ms 16888 KB Output is correct
16 Correct 8 ms 17044 KB Output is correct
17 Correct 7 ms 17240 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16984 KB Output is correct
20 Correct 7 ms 16916 KB Output is correct
21 Correct 7 ms 16992 KB Output is correct
22 Correct 8 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16988 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 7 ms 16988 KB Output is correct
29 Correct 7 ms 16728 KB Output is correct
30 Correct 8 ms 16916 KB Output is correct
31 Correct 7 ms 16956 KB Output is correct
32 Correct 7 ms 16988 KB Output is correct
33 Correct 7 ms 16988 KB Output is correct
34 Correct 7 ms 16988 KB Output is correct
35 Correct 7 ms 16976 KB Output is correct
36 Correct 7 ms 16988 KB Output is correct
37 Correct 8 ms 16960 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 7 ms 16988 KB Output is correct
40 Correct 7 ms 16988 KB Output is correct
41 Correct 7 ms 16988 KB Output is correct
42 Correct 7 ms 16912 KB Output is correct
43 Correct 7 ms 16988 KB Output is correct
44 Correct 9 ms 17040 KB Output is correct
45 Correct 7 ms 16916 KB Output is correct
46 Correct 9 ms 16988 KB Output is correct
47 Correct 7 ms 16988 KB Output is correct
48 Correct 7 ms 16988 KB Output is correct
49 Correct 7 ms 16868 KB Output is correct
50 Correct 7 ms 16988 KB Output is correct
51 Correct 7 ms 16936 KB Output is correct
52 Correct 7 ms 16988 KB Output is correct
53 Correct 7 ms 16920 KB Output is correct
54 Correct 7 ms 16968 KB Output is correct

Subtask #5
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 234 ms 53212 KB Output is correct
2 Correct 196 ms 42940 KB Output is correct
3 Correct 135 ms 37172 KB Output is correct
4 Correct 127 ms 47788 KB Output is correct
5 Correct 112 ms 55080 KB Output is correct
6 Correct 112 ms 36300 KB Output is correct
7 Correct 202 ms 46308 KB Output is correct
8 Correct 144 ms 38140 KB Output is correct
9 Correct 91 ms 50040 KB Output is correct
10 Correct 104 ms 54792 KB Output is correct
11 Correct 247 ms 54940 KB Output is correct
12 Correct 192 ms 46276 KB Output is correct
13 Correct 208 ms 52244 KB Output is correct
14 Correct 7 ms 16732 KB Output is correct
15 Correct 6 ms 16904 KB Output is correct
16 Correct 7 ms 16732 KB Output is correct
17 Correct 8 ms 16916 KB Output is correct
18 Correct 8 ms 17244 KB Output is correct
19 Correct 7 ms 17008 KB Output is correct
20 Correct 7 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 7 ms 16988 KB Output is correct
23 Correct 7 ms 16988 KB Output is correct
24 Correct 8 ms 17244 KB Output is correct
25 Correct 10 ms 16988 KB Output is correct
26 Correct 10 ms 17088 KB Output is correct
27 Correct 8 ms 16988 KB Output is correct
28 Correct 8 ms 16888 KB Output is correct
29 Correct 8 ms 17044 KB Output is correct
30 Correct 7 ms 17240 KB Output is correct
31 Correct 7 ms 16988 KB Output is correct
32 Correct 8 ms 16984 KB Output is correct
33 Correct 7 ms 16916 KB Output is correct
34 Correct 7 ms 16992 KB Output is correct
35 Correct 8 ms 16984 KB Output is correct
36 Correct 7 ms 17244 KB Output is correct
37 Correct 8 ms 16988 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 7 ms 16988 KB Output is correct
40 Correct 6 ms 16988 KB Output is correct
41 Correct 7 ms 16988 KB Output is correct
42 Correct 82 ms 39108 KB Output is correct
43 Correct 81 ms 39172 KB Output is correct
44 Correct 76 ms 35780 KB Output is correct
45 Correct 97 ms 73060 KB Output is correct
46 Correct 85 ms 56780 KB Output is correct
47 Correct 80 ms 49448 KB Output is correct
48 Correct 43 ms 27472 KB Output is correct
49 Correct 85 ms 43232 KB Output is correct
50 Correct 87 ms 40372 KB Output is correct
51 Correct 95 ms 72136 KB Output is correct
52 Correct 105 ms 57704 KB Output is correct
53 Correct 89 ms 46152 KB Output is correct
54 Correct 78 ms 37456 KB Output is correct
55 Correct 49 ms 32196 KB Output is correct
56 Correct 87 ms 49988 KB Output is correct
57 Correct 109 ms 74396 KB Output is correct
58 Correct 89 ms 57424 KB Output is correct
59 Correct 90 ms 49440 KB Output is correct
60 Correct 90 ms 37452 KB Output is correct
61 Correct 82 ms 38088 KB Output is correct
62 Correct 90 ms 40132 KB Output is correct
63 Correct 97 ms 74440 KB Output is correct
64 Correct 67 ms 48324 KB Output is correct
65 Correct 81 ms 45640 KB Output is correct
66 Correct 59 ms 40284 KB Output is correct
67 Correct 77 ms 37076 KB Output is correct
68 Correct 108 ms 40336 KB Output is correct
69 Correct 89 ms 74440 KB Output is correct
70 Correct 94 ms 56896 KB Output is correct
71 Correct 92 ms 45548 KB Output is correct
72 Correct 88 ms 43712 KB Output is correct
73 Correct 63 ms 37488 KB Output is correct
74 Correct 82 ms 48960 KB Output is correct
75 Correct 99 ms 47636 KB Output is correct
76 Correct 7 ms 16728 KB Output is correct
77 Correct 8 ms 16916 KB Output is correct
78 Correct 7 ms 16956 KB Output is correct
79 Correct 7 ms 16988 KB Output is correct
80 Correct 7 ms 16988 KB Output is correct
81 Correct 7 ms 16988 KB Output is correct
82 Correct 7 ms 16976 KB Output is correct
83 Correct 7 ms 16988 KB Output is correct
84 Correct 8 ms 16960 KB Output is correct
85 Correct 7 ms 16988 KB Output is correct
86 Correct 7 ms 16988 KB Output is correct
87 Correct 7 ms 16988 KB Output is correct
88 Correct 7 ms 16988 KB Output is correct
89 Correct 7 ms 16912 KB Output is correct
90 Correct 7 ms 16988 KB Output is correct
91 Correct 9 ms 17040 KB Output is correct
92 Correct 7 ms 16916 KB Output is correct
93 Correct 9 ms 16988 KB Output is correct
94 Correct 7 ms 16988 KB Output is correct
95 Correct 7 ms 16988 KB Output is correct
96 Correct 7 ms 16868 KB Output is correct
97 Correct 7 ms 16988 KB Output is correct
98 Correct 7 ms 16936 KB Output is correct
99 Correct 7 ms 16988 KB Output is correct
100 Correct 7 ms 16920 KB Output is correct
101 Correct 7 ms 16968 KB Output is correct
102 Correct 168 ms 50244 KB Output is correct
103 Correct 169 ms 44948 KB Output is correct
104 Correct 125 ms 38264 KB Output is correct
105 Correct 94 ms 37708 KB Output is correct
106 Correct 82 ms 55264 KB Output is correct
107 Correct 77 ms 47828 KB Output is correct
108 Correct 171 ms 54984 KB Output is correct
109 Correct 68 ms 30920 KB Output is correct
110 Correct 116 ms 40644 KB Output is correct
111 Correct 136 ms 38936 KB Output is correct
112 Correct 116 ms 36920 KB Output is correct
113 Correct 82 ms 47556 KB Output is correct
114 Correct 81 ms 56324 KB Output is correct
115 Correct 81 ms 32460 KB Output is correct
116 Correct 190 ms 51920 KB Output is correct
117 Correct 159 ms 41764 KB Output is correct
118 Correct 120 ms 39616 KB Output is correct
119 Correct 131 ms 35404 KB Output is correct
120 Correct 87 ms 48360 KB Output is correct
121 Correct 78 ms 48008 KB Output is correct
122 Correct 191 ms 59488 KB Output is correct
123 Correct 199 ms 50368 KB Output is correct
124 Correct 128 ms 40260 KB Output is correct
125 Correct 132 ms 40132 KB Output is correct
126 Correct 111 ms 37956 KB Output is correct
127 Correct 56 ms 33004 KB Output is correct
128 Correct 50 ms 31180 KB Output is correct
129 Correct 184 ms 58948 KB Output is correct
130 Correct 192 ms 49788 KB Output is correct
131 Correct 154 ms 44736 KB Output is correct
132 Correct 136 ms 38716 KB Output is correct
133 Correct 122 ms 37444 KB Output is correct
134 Correct 90 ms 55304 KB Output is correct
135 Correct 87 ms 50768 KB Output is correct
136 Correct 194 ms 54924 KB Output is correct
137 Correct 194 ms 58304 KB Output is correct