oj.uz

Submission #1010719

# Submission time Handle Problem Language Result Execution time Memory
1010719 2024-06-29T09:59:14 Z Beerus13 Jobs (BOI24_jobs) C++14
100 / 100
 197 ms 73340 KB 
#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b)  for(int i = (a), _b = (b); i <= _b; ++i)
#define FORD(i, b, a) for(int i = (b), _a = (a); i >= _a; --i)
#define REP(i, a, b)  for(int i = (a), _b = (b); i < _b;  ++i)
#define REPD(i, b, a) for(int i = (b), _a = (a); i > _a;  --i)
#define MASK(i) (1LL << (i))
#define BIT(mask, i) (((mask) >> (i)) & 1)
#define __builtin_popcount __builtin_popcountll
#define all(val) val.begin(), val.end()
#define ll long long
#define ull unsigned long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define fi first
#define se second

mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll Rand(ll l, ll r) {return l + rng() % (r - l + 1);}

template<class X, class Y>
    bool minimize(X &x, const Y &y) {
        if (x > y) {
            x = y;
            return true;
        } else return false;
    }
template<class X, class Y>
    bool maximize(X &x, const Y &y) {
        if (x < y) {
            x = y;
            return true;
        } else return false;
    }
template<class T>
    T Abs(const T &x) {
        return (x < 0 ? -x : x);
    }

const int N = 3e5 + 5;

int n, x[N];
ll s;
vector<int> g[N];
priority_queue<pll> q[N];

void sub1() {
    if(s < 3e14) return;
    function<ll(int)> dfs = [&](int u) {
        ll sum = x[u];
        for(int v : g[u]) {
            sum += dfs(v);
        }
        if(sum < 0) sum = 0;
        return sum;
    };
    cout << dfs(0) << '\n';
    exit(0);
}

void sub5() {
    function<void(int)> dfs = [&](int u) {
        for(int v : g[u]) {
            dfs(v);
            if(q[u].size() < q[v].size()) swap(q[u], q[v]);
            while(q[v].size()) {
                auto top = q[v].top(); q[v].pop();
                q[u].push(top);
            }
        }
        if(u == 0) return;
        if(x[u] > 0) q[u].emplace(0, x[u]);
        else {
            ll mn = x[u], prof = x[u]; // <= 0
            while(q[u].size()) {
                auto top = q[u].top();
                if(prof <= 0) {
                    minimize(mn, prof + top.fi);
                    prof += top.se;
                }
                else {
                    if(top.fi < mn) break;
                    prof += top.se;
                }
                q[u].pop();
            }
            if(prof > 0) q[u].emplace(mn, prof);
            else {
                while(q[u].size()) q[u].pop();
            }
        }
    };
    dfs(0);
    ll sum = s;
    while(q[0].size()) {
        auto top = q[0].top(); q[0].pop();
        if(sum + top.fi >= 0) sum += top.se;
        else break;
    }
    cout << sum - s << '\n';
    exit(0);
}

void process() {
    cin >> n >> s;
    FOR(i, 1, n) {
        int p;
        cin >> x[i] >> p;
        g[p].push_back(i);
    }
    sub1();
    sub5();
}

signed main() {
    if(fopen("test.inp","r")) {
        freopen("test.inp","r",stdin);
        freopen("test.out","w",stdout);
    }
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int ntests = 1;
    // cin >> ntests;
    while(ntests--) process();
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:117:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  117 |         freopen("test.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:118:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  118 |         freopen("test.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 30036 KB Output is correct
2 Correct 80 ms 28668 KB Output is correct
3 Correct 81 ms 27984 KB Output is correct
4 Correct 60 ms 35920 KB Output is correct
5 Correct 84 ms 38592 KB Output is correct
6 Correct 48 ms 25172 KB Output is correct
7 Correct 96 ms 28756 KB Output is correct
8 Correct 82 ms 28888 KB Output is correct
9 Correct 53 ms 36436 KB Output is correct
10 Correct 56 ms 37972 KB Output is correct
11 Correct 83 ms 30112 KB Output is correct
12 Correct 69 ms 27704 KB Output is correct
13 Correct 99 ms 30036 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16900 KB Output is correct
3 Correct 7 ms 16728 KB Output is correct
4 Correct 8 ms 16988 KB Output is correct
5 Correct 7 ms 17244 KB Output is correct
6 Correct 8 ms 16988 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 9 ms 16984 KB Output is correct
9 Correct 8 ms 16984 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 7 ms 16944 KB Output is correct
13 Correct 7 ms 16912 KB Output is correct
14 Correct 7 ms 16988 KB Output is correct
15 Correct 7 ms 16916 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 7 ms 17072 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 7 ms 17020 KB Output is correct
20 Correct 9 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16840 KB Output is correct
23 Correct 11 ms 17172 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 8 ms 16940 KB Output is correct
27 Correct 7 ms 16988 KB Output is correct
28 Correct 9 ms 16908 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16900 KB Output is correct
3 Correct 7 ms 16728 KB Output is correct
4 Correct 8 ms 16988 KB Output is correct
5 Correct 7 ms 17244 KB Output is correct
6 Correct 8 ms 16988 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 9 ms 16984 KB Output is correct
9 Correct 8 ms 16984 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 7 ms 16944 KB Output is correct
13 Correct 7 ms 16912 KB Output is correct
14 Correct 7 ms 16988 KB Output is correct
15 Correct 7 ms 16916 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 7 ms 17072 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 7 ms 17020 KB Output is correct
20 Correct 9 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16840 KB Output is correct
23 Correct 11 ms 17172 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 8 ms 16940 KB Output is correct
27 Correct 7 ms 16988 KB Output is correct
28 Correct 9 ms 16908 KB Output is correct
29 Correct 82 ms 37908 KB Output is correct
30 Correct 81 ms 38080 KB Output is correct
31 Correct 69 ms 34812 KB Output is correct
32 Correct 98 ms 72040 KB Output is correct
33 Correct 85 ms 55724 KB Output is correct
34 Correct 93 ms 48452 KB Output is correct
35 Correct 42 ms 26888 KB Output is correct
36 Correct 82 ms 42088 KB Output is correct
37 Correct 84 ms 39348 KB Output is correct
38 Correct 90 ms 71116 KB Output is correct
39 Correct 88 ms 56492 KB Output is correct
40 Correct 84 ms 45128 KB Output is correct
41 Correct 75 ms 36220 KB Output is correct
42 Correct 77 ms 31676 KB Output is correct
43 Correct 88 ms 48828 KB Output is correct
44 Correct 94 ms 73340 KB Output is correct
45 Correct 85 ms 56400 KB Output is correct
46 Correct 85 ms 48160 KB Output is correct
47 Correct 85 ms 36288 KB Output is correct
48 Correct 82 ms 36992 KB Output is correct
49 Correct 84 ms 39084 KB Output is correct
50 Correct 98 ms 73152 KB Output is correct
51 Correct 68 ms 47560 KB Output is correct
52 Correct 92 ms 44408 KB Output is correct
53 Correct 60 ms 39568 KB Output is correct
54 Correct 75 ms 35912 KB Output is correct
55 Correct 78 ms 39108 KB Output is correct
56 Correct 89 ms 73164 KB Output is correct
57 Correct 92 ms 55624 KB Output is correct
58 Correct 84 ms 44292 KB Output is correct
59 Correct 82 ms 42356 KB Output is correct
60 Correct 62 ms 36104 KB Output is correct
61 Correct 82 ms 47784 KB Output is correct
62 Correct 95 ms 46468 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16732 KB Output is correct
2 Correct 7 ms 16900 KB Output is correct
3 Correct 7 ms 16728 KB Output is correct
4 Correct 8 ms 16988 KB Output is correct
5 Correct 7 ms 17244 KB Output is correct
6 Correct 8 ms 16988 KB Output is correct
7 Correct 7 ms 16984 KB Output is correct
8 Correct 9 ms 16984 KB Output is correct
9 Correct 8 ms 16984 KB Output is correct
10 Correct 7 ms 16988 KB Output is correct
11 Correct 8 ms 17244 KB Output is correct
12 Correct 7 ms 16944 KB Output is correct
13 Correct 7 ms 16912 KB Output is correct
14 Correct 7 ms 16988 KB Output is correct
15 Correct 7 ms 16916 KB Output is correct
16 Correct 8 ms 16988 KB Output is correct
17 Correct 7 ms 17072 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 7 ms 17020 KB Output is correct
20 Correct 9 ms 16988 KB Output is correct
21 Correct 8 ms 16988 KB Output is correct
22 Correct 8 ms 16840 KB Output is correct
23 Correct 11 ms 17172 KB Output is correct
24 Correct 8 ms 16988 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 8 ms 16940 KB Output is correct
27 Correct 7 ms 16988 KB Output is correct
28 Correct 9 ms 16908 KB Output is correct
29 Correct 6 ms 16732 KB Output is correct
30 Correct 8 ms 17016 KB Output is correct
31 Correct 8 ms 17072 KB Output is correct
32 Correct 8 ms 16988 KB Output is correct
33 Correct 8 ms 16984 KB Output is correct
34 Correct 7 ms 16988 KB Output is correct
35 Correct 8 ms 16988 KB Output is correct
36 Correct 9 ms 16984 KB Output is correct
37 Correct 7 ms 17060 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 7 ms 16916 KB Output is correct
40 Correct 7 ms 17056 KB Output is correct
41 Correct 7 ms 16916 KB Output is correct
42 Correct 7 ms 16980 KB Output is correct
43 Correct 7 ms 16984 KB Output is correct
44 Correct 7 ms 17012 KB Output is correct
45 Correct 7 ms 16984 KB Output is correct
46 Correct 7 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 8 ms 16980 KB Output is correct
50 Correct 7 ms 16984 KB Output is correct
51 Correct 8 ms 16988 KB Output is correct
52 Correct 10 ms 16916 KB Output is correct
53 Correct 7 ms 16988 KB Output is correct
54 Correct 9 ms 17088 KB Output is correct

Subtask #5
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 30036 KB Output is correct
2 Correct 80 ms 28668 KB Output is correct
3 Correct 81 ms 27984 KB Output is correct
4 Correct 60 ms 35920 KB Output is correct
5 Correct 84 ms 38592 KB Output is correct
6 Correct 48 ms 25172 KB Output is correct
7 Correct 96 ms 28756 KB Output is correct
8 Correct 82 ms 28888 KB Output is correct
9 Correct 53 ms 36436 KB Output is correct
10 Correct 56 ms 37972 KB Output is correct
11 Correct 83 ms 30112 KB Output is correct
12 Correct 69 ms 27704 KB Output is correct
13 Correct 99 ms 30036 KB Output is correct
14 Correct 7 ms 16732 KB Output is correct
15 Correct 7 ms 16900 KB Output is correct
16 Correct 7 ms 16728 KB Output is correct
17 Correct 8 ms 16988 KB Output is correct
18 Correct 7 ms 17244 KB Output is correct
19 Correct 8 ms 16988 KB Output is correct
20 Correct 7 ms 16984 KB Output is correct
21 Correct 9 ms 16984 KB Output is correct
22 Correct 8 ms 16984 KB Output is correct
23 Correct 7 ms 16988 KB Output is correct
24 Correct 8 ms 17244 KB Output is correct
25 Correct 7 ms 16944 KB Output is correct
26 Correct 7 ms 16912 KB Output is correct
27 Correct 7 ms 16988 KB Output is correct
28 Correct 7 ms 16916 KB Output is correct
29 Correct 8 ms 16988 KB Output is correct
30 Correct 7 ms 17072 KB Output is correct
31 Correct 7 ms 16988 KB Output is correct
32 Correct 7 ms 17020 KB Output is correct
33 Correct 9 ms 16988 KB Output is correct
34 Correct 8 ms 16988 KB Output is correct
35 Correct 8 ms 16840 KB Output is correct
36 Correct 11 ms 17172 KB Output is correct
37 Correct 8 ms 16988 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 8 ms 16940 KB Output is correct
40 Correct 7 ms 16988 KB Output is correct
41 Correct 9 ms 16908 KB Output is correct
42 Correct 82 ms 37908 KB Output is correct
43 Correct 81 ms 38080 KB Output is correct
44 Correct 69 ms 34812 KB Output is correct
45 Correct 98 ms 72040 KB Output is correct
46 Correct 85 ms 55724 KB Output is correct
47 Correct 93 ms 48452 KB Output is correct
48 Correct 42 ms 26888 KB Output is correct
49 Correct 82 ms 42088 KB Output is correct
50 Correct 84 ms 39348 KB Output is correct
51 Correct 90 ms 71116 KB Output is correct
52 Correct 88 ms 56492 KB Output is correct
53 Correct 84 ms 45128 KB Output is correct
54 Correct 75 ms 36220 KB Output is correct
55 Correct 77 ms 31676 KB Output is correct
56 Correct 88 ms 48828 KB Output is correct
57 Correct 94 ms 73340 KB Output is correct
58 Correct 85 ms 56400 KB Output is correct
59 Correct 85 ms 48160 KB Output is correct
60 Correct 85 ms 36288 KB Output is correct
61 Correct 82 ms 36992 KB Output is correct
62 Correct 84 ms 39084 KB Output is correct
63 Correct 98 ms 73152 KB Output is correct
64 Correct 68 ms 47560 KB Output is correct
65 Correct 92 ms 44408 KB Output is correct
66 Correct 60 ms 39568 KB Output is correct
67 Correct 75 ms 35912 KB Output is correct
68 Correct 78 ms 39108 KB Output is correct
69 Correct 89 ms 73164 KB Output is correct
70 Correct 92 ms 55624 KB Output is correct
71 Correct 84 ms 44292 KB Output is correct
72 Correct 82 ms 42356 KB Output is correct
73 Correct 62 ms 36104 KB Output is correct
74 Correct 82 ms 47784 KB Output is correct
75 Correct 95 ms 46468 KB Output is correct
76 Correct 6 ms 16732 KB Output is correct
77 Correct 8 ms 17016 KB Output is correct
78 Correct 8 ms 17072 KB Output is correct
79 Correct 8 ms 16988 KB Output is correct
80 Correct 8 ms 16984 KB Output is correct
81 Correct 7 ms 16988 KB Output is correct
82 Correct 8 ms 16988 KB Output is correct
83 Correct 9 ms 16984 KB Output is correct
84 Correct 7 ms 17060 KB Output is correct
85 Correct 7 ms 16988 KB Output is correct
86 Correct 7 ms 16916 KB Output is correct
87 Correct 7 ms 17056 KB Output is correct
88 Correct 7 ms 16916 KB Output is correct
89 Correct 7 ms 16980 KB Output is correct
90 Correct 7 ms 16984 KB Output is correct
91 Correct 7 ms 17012 KB Output is correct
92 Correct 7 ms 16984 KB Output is correct
93 Correct 7 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 8 ms 16980 KB Output is correct
97 Correct 7 ms 16984 KB Output is correct
98 Correct 8 ms 16988 KB Output is correct
99 Correct 10 ms 16916 KB Output is correct
100 Correct 7 ms 16988 KB Output is correct
101 Correct 9 ms 17088 KB Output is correct
102 Correct 166 ms 48968 KB Output is correct
103 Correct 179 ms 43712 KB Output is correct
104 Correct 126 ms 37144 KB Output is correct
105 Correct 127 ms 36612 KB Output is correct
106 Correct 87 ms 54028 KB Output is correct
107 Correct 84 ms 46796 KB Output is correct
108 Correct 184 ms 54020 KB Output is correct
109 Correct 69 ms 30408 KB Output is correct
110 Correct 149 ms 39620 KB Output is correct
111 Correct 137 ms 37820 KB Output is correct
112 Correct 132 ms 35804 KB Output is correct
113 Correct 88 ms 46532 KB Output is correct
114 Correct 85 ms 55084 KB Output is correct
115 Correct 71 ms 31948 KB Output is correct
116 Correct 197 ms 50876 KB Output is correct
117 Correct 145 ms 40648 KB Output is correct
118 Correct 136 ms 38336 KB Output is correct
119 Correct 121 ms 34284 KB Output is correct
120 Correct 83 ms 47300 KB Output is correct
121 Correct 86 ms 46952 KB Output is correct
122 Correct 188 ms 58464 KB Output is correct
123 Correct 183 ms 49344 KB Output is correct
124 Correct 171 ms 38976 KB Output is correct
125 Correct 138 ms 38952 KB Output is correct
126 Correct 108 ms 36872 KB Output is correct
127 Correct 53 ms 32268 KB Output is correct
128 Correct 39 ms 30668 KB Output is correct
129 Correct 194 ms 57768 KB Output is correct
130 Correct 179 ms 48632 KB Output is correct
131 Correct 153 ms 43588 KB Output is correct
132 Correct 126 ms 37508 KB Output is correct
133 Correct 98 ms 35964 KB Output is correct
134 Correct 84 ms 54276 KB Output is correct
135 Correct 80 ms 49688 KB Output is correct
136 Correct 193 ms 53796 KB Output is correct
137 Correct 179 ms 57276 KB Output is correct