oj.uz

Submission #1010726

# Submission time Handle Problem Language Result Execution time Memory
1010726 2024-06-29T10:03:03 Z Beerus13 Jobs (BOI24_jobs) C++14
100 / 100
 205 ms 72536 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 process() {
    cin >> n >> s;
    FOR(i, 1, n) {
        int p;
        cin >> x[i] >> p;
        g[p].push_back(i);
    }
    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 prof = 0;
    while(q[0].size()) {
        auto top = q[0].top(); q[0].pop();
        if(s + prof + top.fi >= 0) prof += top.se;
        else break;
    }
    cout << prof << '\n';
}

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;
}
// https://oj.uz/problem/view/BOI24_jobs

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:97:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |         freopen("test.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:98:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   98 |         freopen("test.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 188 ms 51720 KB Output is correct
2 Correct 189 ms 41676 KB Output is correct
3 Correct 121 ms 35988 KB Output is correct
4 Correct 96 ms 46528 KB Output is correct
5 Correct 91 ms 53960 KB Output is correct
6 Correct 94 ms 35456 KB Output is correct
7 Correct 171 ms 44992 KB Output is correct
8 Correct 166 ms 36676 KB Output is correct
9 Correct 101 ms 48776 KB Output is correct
10 Correct 88 ms 53392 KB Output is correct
11 Correct 205 ms 53832 KB Output is correct
12 Correct 174 ms 44992 KB Output is correct
13 Correct 203 ms 51068 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 8 ms 16768 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 7 ms 16988 KB Output is correct
5 Correct 10 ms 17240 KB Output is correct
6 Correct 10 ms 16988 KB Output is correct
7 Correct 8 ms 17084 KB Output is correct
8 Correct 7 ms 16984 KB Output is correct
9 Correct 8 ms 17036 KB Output is correct
10 Correct 9 ms 16988 KB Output is correct
11 Correct 8 ms 17240 KB Output is correct
12 Correct 9 ms 16988 KB Output is correct
13 Correct 6 ms 16984 KB Output is correct
14 Correct 7 ms 16916 KB Output is correct
15 Correct 9 ms 16784 KB Output is correct
16 Correct 7 ms 16988 KB Output is correct
17 Correct 8 ms 17244 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16988 KB Output is correct
20 Correct 7 ms 16984 KB Output is correct
21 Correct 10 ms 17004 KB Output is correct
22 Correct 7 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 7 ms 17188 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16984 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 6 ms 16984 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 8 ms 16768 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 7 ms 16988 KB Output is correct
5 Correct 10 ms 17240 KB Output is correct
6 Correct 10 ms 16988 KB Output is correct
7 Correct 8 ms 17084 KB Output is correct
8 Correct 7 ms 16984 KB Output is correct
9 Correct 8 ms 17036 KB Output is correct
10 Correct 9 ms 16988 KB Output is correct
11 Correct 8 ms 17240 KB Output is correct
12 Correct 9 ms 16988 KB Output is correct
13 Correct 6 ms 16984 KB Output is correct
14 Correct 7 ms 16916 KB Output is correct
15 Correct 9 ms 16784 KB Output is correct
16 Correct 7 ms 16988 KB Output is correct
17 Correct 8 ms 17244 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16988 KB Output is correct
20 Correct 7 ms 16984 KB Output is correct
21 Correct 10 ms 17004 KB Output is correct
22 Correct 7 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 7 ms 17188 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16984 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 6 ms 16984 KB Output is correct
29 Correct 75 ms 37824 KB Output is correct
30 Correct 111 ms 37476 KB Output is correct
31 Correct 74 ms 34240 KB Output is correct
32 Correct 108 ms 71268 KB Output is correct
33 Correct 100 ms 55000 KB Output is correct
34 Correct 82 ms 47688 KB Output is correct
35 Correct 41 ms 26700 KB Output is correct
36 Correct 116 ms 41152 KB Output is correct
37 Correct 83 ms 38336 KB Output is correct
38 Correct 92 ms 70328 KB Output is correct
39 Correct 84 ms 55880 KB Output is correct
40 Correct 83 ms 44420 KB Output is correct
41 Correct 79 ms 35880 KB Output is correct
42 Correct 41 ms 31688 KB Output is correct
43 Correct 84 ms 48004 KB Output is correct
44 Correct 123 ms 72536 KB Output is correct
45 Correct 84 ms 55768 KB Output is correct
46 Correct 86 ms 47456 KB Output is correct
47 Correct 83 ms 35848 KB Output is correct
48 Correct 80 ms 36292 KB Output is correct
49 Correct 89 ms 38424 KB Output is correct
50 Correct 92 ms 72392 KB Output is correct
51 Correct 62 ms 47344 KB Output is correct
52 Correct 73 ms 43848 KB Output is correct
53 Correct 59 ms 39320 KB Output is correct
54 Correct 75 ms 35400 KB Output is correct
55 Correct 81 ms 38400 KB Output is correct
56 Correct 90 ms 72392 KB Output is correct
57 Correct 126 ms 55132 KB Output is correct
58 Correct 77 ms 43756 KB Output is correct
59 Correct 89 ms 41500 KB Output is correct
60 Correct 61 ms 35528 KB Output is correct
61 Correct 82 ms 47164 KB Output is correct
62 Correct 93 ms 45672 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 8 ms 16768 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 7 ms 16988 KB Output is correct
5 Correct 10 ms 17240 KB Output is correct
6 Correct 10 ms 16988 KB Output is correct
7 Correct 8 ms 17084 KB Output is correct
8 Correct 7 ms 16984 KB Output is correct
9 Correct 8 ms 17036 KB Output is correct
10 Correct 9 ms 16988 KB Output is correct
11 Correct 8 ms 17240 KB Output is correct
12 Correct 9 ms 16988 KB Output is correct
13 Correct 6 ms 16984 KB Output is correct
14 Correct 7 ms 16916 KB Output is correct
15 Correct 9 ms 16784 KB Output is correct
16 Correct 7 ms 16988 KB Output is correct
17 Correct 8 ms 17244 KB Output is correct
18 Correct 7 ms 16988 KB Output is correct
19 Correct 8 ms 16988 KB Output is correct
20 Correct 7 ms 16984 KB Output is correct
21 Correct 10 ms 17004 KB Output is correct
22 Correct 7 ms 16984 KB Output is correct
23 Correct 7 ms 17244 KB Output is correct
24 Correct 7 ms 17188 KB Output is correct
25 Correct 7 ms 16988 KB Output is correct
26 Correct 7 ms 16984 KB Output is correct
27 Correct 6 ms 16988 KB Output is correct
28 Correct 6 ms 16984 KB Output is correct
29 Correct 6 ms 16732 KB Output is correct
30 Correct 7 ms 16988 KB Output is correct
31 Correct 7 ms 16988 KB Output is correct
32 Correct 8 ms 16964 KB Output is correct
33 Correct 7 ms 16988 KB Output is correct
34 Correct 7 ms 17052 KB Output is correct
35 Correct 8 ms 16960 KB Output is correct
36 Correct 7 ms 16988 KB Output is correct
37 Correct 7 ms 16988 KB Output is correct
38 Correct 7 ms 16984 KB Output is correct
39 Correct 7 ms 16988 KB Output is correct
40 Correct 7 ms 17032 KB Output is correct
41 Correct 7 ms 16988 KB Output is correct
42 Correct 7 ms 17024 KB Output is correct
43 Correct 8 ms 16984 KB Output is correct
44 Correct 7 ms 16988 KB Output is correct
45 Correct 8 ms 16988 KB Output is correct
46 Correct 6 ms 16940 KB Output is correct
47 Correct 7 ms 16988 KB Output is correct
48 Correct 7 ms 16984 KB Output is correct
49 Correct 6 ms 16984 KB Output is correct
50 Correct 7 ms 16988 KB Output is correct
51 Correct 9 ms 17020 KB Output is correct
52 Correct 7 ms 17060 KB Output is correct
53 Correct 6 ms 16916 KB Output is correct
54 Correct 6 ms 16988 KB Output is correct

Subtask #5
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 188 ms 51720 KB Output is correct
2 Correct 189 ms 41676 KB Output is correct
3 Correct 121 ms 35988 KB Output is correct
4 Correct 96 ms 46528 KB Output is correct
5 Correct 91 ms 53960 KB Output is correct
6 Correct 94 ms 35456 KB Output is correct
7 Correct 171 ms 44992 KB Output is correct
8 Correct 166 ms 36676 KB Output is correct
9 Correct 101 ms 48776 KB Output is correct
10 Correct 88 ms 53392 KB Output is correct
11 Correct 205 ms 53832 KB Output is correct
12 Correct 174 ms 44992 KB Output is correct
13 Correct 203 ms 51068 KB Output is correct
14 Correct 7 ms 16732 KB Output is correct
15 Correct 8 ms 16768 KB Output is correct
16 Correct 8 ms 16732 KB Output is correct
17 Correct 7 ms 16988 KB Output is correct
18 Correct 10 ms 17240 KB Output is correct
19 Correct 10 ms 16988 KB Output is correct
20 Correct 8 ms 17084 KB Output is correct
21 Correct 7 ms 16984 KB Output is correct
22 Correct 8 ms 17036 KB Output is correct
23 Correct 9 ms 16988 KB Output is correct
24 Correct 8 ms 17240 KB Output is correct
25 Correct 9 ms 16988 KB Output is correct
26 Correct 6 ms 16984 KB Output is correct
27 Correct 7 ms 16916 KB Output is correct
28 Correct 9 ms 16784 KB Output is correct
29 Correct 7 ms 16988 KB Output is correct
30 Correct 8 ms 17244 KB Output is correct
31 Correct 7 ms 16988 KB Output is correct
32 Correct 8 ms 16988 KB Output is correct
33 Correct 7 ms 16984 KB Output is correct
34 Correct 10 ms 17004 KB Output is correct
35 Correct 7 ms 16984 KB Output is correct
36 Correct 7 ms 17244 KB Output is correct
37 Correct 7 ms 17188 KB Output is correct
38 Correct 7 ms 16988 KB Output is correct
39 Correct 7 ms 16984 KB Output is correct
40 Correct 6 ms 16988 KB Output is correct
41 Correct 6 ms 16984 KB Output is correct
42 Correct 75 ms 37824 KB Output is correct
43 Correct 111 ms 37476 KB Output is correct
44 Correct 74 ms 34240 KB Output is correct
45 Correct 108 ms 71268 KB Output is correct
46 Correct 100 ms 55000 KB Output is correct
47 Correct 82 ms 47688 KB Output is correct
48 Correct 41 ms 26700 KB Output is correct
49 Correct 116 ms 41152 KB Output is correct
50 Correct 83 ms 38336 KB Output is correct
51 Correct 92 ms 70328 KB Output is correct
52 Correct 84 ms 55880 KB Output is correct
53 Correct 83 ms 44420 KB Output is correct
54 Correct 79 ms 35880 KB Output is correct
55 Correct 41 ms 31688 KB Output is correct
56 Correct 84 ms 48004 KB Output is correct
57 Correct 123 ms 72536 KB Output is correct
58 Correct 84 ms 55768 KB Output is correct
59 Correct 86 ms 47456 KB Output is correct
60 Correct 83 ms 35848 KB Output is correct
61 Correct 80 ms 36292 KB Output is correct
62 Correct 89 ms 38424 KB Output is correct
63 Correct 92 ms 72392 KB Output is correct
64 Correct 62 ms 47344 KB Output is correct
65 Correct 73 ms 43848 KB Output is correct
66 Correct 59 ms 39320 KB Output is correct
67 Correct 75 ms 35400 KB Output is correct
68 Correct 81 ms 38400 KB Output is correct
69 Correct 90 ms 72392 KB Output is correct
70 Correct 126 ms 55132 KB Output is correct
71 Correct 77 ms 43756 KB Output is correct
72 Correct 89 ms 41500 KB Output is correct
73 Correct 61 ms 35528 KB Output is correct
74 Correct 82 ms 47164 KB Output is correct
75 Correct 93 ms 45672 KB Output is correct
76 Correct 6 ms 16732 KB Output is correct
77 Correct 7 ms 16988 KB Output is correct
78 Correct 7 ms 16988 KB Output is correct
79 Correct 8 ms 16964 KB Output is correct
80 Correct 7 ms 16988 KB Output is correct
81 Correct 7 ms 17052 KB Output is correct
82 Correct 8 ms 16960 KB Output is correct
83 Correct 7 ms 16988 KB Output is correct
84 Correct 7 ms 16988 KB Output is correct
85 Correct 7 ms 16984 KB Output is correct
86 Correct 7 ms 16988 KB Output is correct
87 Correct 7 ms 17032 KB Output is correct
88 Correct 7 ms 16988 KB Output is correct
89 Correct 7 ms 17024 KB Output is correct
90 Correct 8 ms 16984 KB Output is correct
91 Correct 7 ms 16988 KB Output is correct
92 Correct 8 ms 16988 KB Output is correct
93 Correct 6 ms 16940 KB Output is correct
94 Correct 7 ms 16988 KB Output is correct
95 Correct 7 ms 16984 KB Output is correct
96 Correct 6 ms 16984 KB Output is correct
97 Correct 7 ms 16988 KB Output is correct
98 Correct 9 ms 17020 KB Output is correct
99 Correct 7 ms 17060 KB Output is correct
100 Correct 6 ms 16916 KB Output is correct
101 Correct 6 ms 16988 KB Output is correct
102 Correct 168 ms 48284 KB Output is correct
103 Correct 170 ms 43052 KB Output is correct
104 Correct 108 ms 36568 KB Output is correct
105 Correct 97 ms 36168 KB Output is correct
106 Correct 81 ms 53364 KB Output is correct
107 Correct 81 ms 46024 KB Output is correct
108 Correct 170 ms 53300 KB Output is correct
109 Correct 75 ms 30152 KB Output is correct
110 Correct 133 ms 38752 KB Output is correct
111 Correct 133 ms 37056 KB Output is correct
112 Correct 112 ms 35008 KB Output is correct
113 Correct 86 ms 45640 KB Output is correct
114 Correct 89 ms 54272 KB Output is correct
115 Correct 79 ms 31944 KB Output is correct
116 Correct 174 ms 49784 KB Output is correct
117 Correct 130 ms 39876 KB Output is correct
118 Correct 117 ms 37568 KB Output is correct
119 Correct 95 ms 33600 KB Output is correct
120 Correct 83 ms 46532 KB Output is correct
121 Correct 76 ms 46216 KB Output is correct
122 Correct 184 ms 57696 KB Output is correct
123 Correct 153 ms 48324 KB Output is correct
124 Correct 137 ms 38412 KB Output is correct
125 Correct 136 ms 38260 KB Output is correct
126 Correct 107 ms 36020 KB Output is correct
127 Correct 52 ms 31756 KB Output is correct
128 Correct 36 ms 30480 KB Output is correct
129 Correct 186 ms 57464 KB Output is correct
130 Correct 169 ms 48320 KB Output is correct
131 Correct 156 ms 42820 KB Output is correct
132 Correct 125 ms 36968 KB Output is correct
133 Correct 106 ms 35392 KB Output is correct
134 Correct 85 ms 53764 KB Output is correct
135 Correct 81 ms 49128 KB Output is correct
136 Correct 198 ms 53248 KB Output is correct
137 Correct 187 ms 56508 KB Output is correct