oj.uz

Submission #1081199

# Submission time Handle Problem Language Result Execution time Memory
1081199 2024-08-29T19:38:05 Z anton Jobs (BOI24_jobs) C++17
100 / 100
 345 ms 90816 KB 
#include<bits/stdc++.h>


using namespace std;
#define int long long
#define pii pair<int, int>

const int MAX_N = 3e5+1;
int N, S;


pii merge_ev(pii a,pii b){
    return {min(a.first, b.first+a.second), a.second+b.second};
}  
struct Investment{
    priority_queue<pii> ev;
    int delta= 0;
    void insert(pii e){
        ev.push({e.first-delta, e.second-delta});
    }

    void merge(Investment b){
        while(b.ev.size()>0){
            auto e = b.ev.top();
            b.ev.pop();
            insert({e.first+b.delta, e.second+b.delta});
        }
    }
};


vector<vector<int>> ch;
vector<int> x;
vector<Investment> inv;

void display(Investment e){
    while(e.ev.size()>0){
        auto t = e.ev.top();
        e.ev.pop();
    }
}
void dfs(int u){
    for(auto e: ch[u]){
        dfs(e);
        if(inv[e].ev.size()>inv[u].ev.size()){
            swap(inv[e], inv[u]);
        }
        inv[u].merge(inv[e]);
    }

    pii first_elem = {min(0LL, x[u]), x[u]};
    while(inv[u].ev.size()>0 && (first_elem.second<0 || first_elem.first<=inv[u].ev.top().first)){
        //cout<<"merging "<<first_elem.first<<" "<<first_elem.second<<" "<<inv[u].ev.top().first<<" "<<inv[u].ev.top().second<<endl;
        first_elem = merge_ev(first_elem, inv[u].ev.top());
        inv[u].ev.pop();
    }

    if(first_elem.second>0){
        inv[u].insert(first_elem);
    }
    //cout<<u<<endl;
    //display(inv[u]);
}


signed main(){
    cin>>N>>S;
    x.resize(N+1, 0);
    inv.resize(N+1);
    ch.resize(N+1);
    for(int i = 0; i<N; i++){
        int p;
        cin>>x[i+1]>>p;
        ch[p].push_back(i+1);
    }
 
    dfs(0);
 
    auto inv0 = inv[0];
    int init_s= S;
 
    
    while(inv0.ev.size()>0 && inv0.ev.top().first+S>=0){
        S+= inv0.ev.top().second;
        inv0.ev.pop();
    }
 
    cout<<S-init_s<<endl;
}

Compilation message

Main.cpp: In function 'void display(Investment)':
Main.cpp:38:14: warning: variable 't' set but not used [-Wunused-but-set-variable]
   38 |         auto t = e.ev.top();
      |              ^

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 301 ms 56624 KB Output is correct
2 Correct 252 ms 47220 KB Output is correct
3 Correct 221 ms 40980 KB Output is correct
4 Correct 200 ms 56012 KB Output is correct
5 Correct 197 ms 64188 KB Output is correct
6 Correct 157 ms 32244 KB Output is correct
7 Correct 270 ms 50120 KB Output is correct
8 Correct 222 ms 41908 KB Output is correct
9 Correct 159 ms 59748 KB Output is correct
10 Correct 188 ms 64560 KB Output is correct
11 Correct 320 ms 59240 KB Output is correct
12 Correct 279 ms 48688 KB Output is correct
13 Correct 323 ms 55892 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 708 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 3 ms 600 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 704 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 860 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 708 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 3 ms 600 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 704 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 860 KB Output is correct
29 Correct 166 ms 42416 KB Output is correct
30 Correct 167 ms 42828 KB Output is correct
31 Correct 150 ms 39868 KB Output is correct
32 Correct 191 ms 90724 KB Output is correct
33 Correct 175 ms 67396 KB Output is correct
34 Correct 173 ms 57216 KB Output is correct
35 Correct 85 ms 21444 KB Output is correct
36 Correct 196 ms 49944 KB Output is correct
37 Correct 253 ms 43796 KB Output is correct
38 Correct 190 ms 90400 KB Output is correct
39 Correct 177 ms 70004 KB Output is correct
40 Correct 197 ms 51140 KB Output is correct
41 Correct 156 ms 42180 KB Output is correct
42 Correct 91 ms 28356 KB Output is correct
43 Correct 167 ms 58308 KB Output is correct
44 Correct 222 ms 90652 KB Output is correct
45 Correct 186 ms 69756 KB Output is correct
46 Correct 181 ms 58052 KB Output is correct
47 Correct 196 ms 42176 KB Output is correct
48 Correct 177 ms 41916 KB Output is correct
49 Correct 179 ms 42944 KB Output is correct
50 Correct 213 ms 90816 KB Output is correct
51 Correct 134 ms 51536 KB Output is correct
52 Correct 169 ms 50852 KB Output is correct
53 Correct 119 ms 40648 KB Output is correct
54 Correct 180 ms 41160 KB Output is correct
55 Correct 207 ms 43196 KB Output is correct
56 Correct 202 ms 90740 KB Output is correct
57 Correct 181 ms 67396 KB Output is correct
58 Correct 220 ms 50936 KB Output is correct
59 Correct 227 ms 50300 KB Output is correct
60 Correct 148 ms 41148 KB Output is correct
61 Correct 210 ms 57192 KB Output is correct
62 Correct 217 ms 53348 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 860 KB Output is correct
6 Correct 3 ms 708 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 3 ms 600 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 3 ms 860 KB Output is correct
25 Correct 2 ms 604 KB Output is correct
26 Correct 2 ms 704 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 860 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 2 ms 600 KB Output is correct
31 Correct 3 ms 700 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 3 ms 860 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 3 ms 632 KB Output is correct
38 Correct 1 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 600 KB Output is correct
42 Correct 2 ms 604 KB Output is correct
43 Correct 2 ms 600 KB Output is correct
44 Correct 2 ms 604 KB Output is correct
45 Correct 2 ms 704 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 792 KB Output is correct
48 Correct 3 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 3 ms 860 KB Output is correct
54 Correct 3 ms 676 KB Output is correct

Subtask #5
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 301 ms 56624 KB Output is correct
2 Correct 252 ms 47220 KB Output is correct
3 Correct 221 ms 40980 KB Output is correct
4 Correct 200 ms 56012 KB Output is correct
5 Correct 197 ms 64188 KB Output is correct
6 Correct 157 ms 32244 KB Output is correct
7 Correct 270 ms 50120 KB Output is correct
8 Correct 222 ms 41908 KB Output is correct
9 Correct 159 ms 59748 KB Output is correct
10 Correct 188 ms 64560 KB Output is correct
11 Correct 320 ms 59240 KB Output is correct
12 Correct 279 ms 48688 KB Output is correct
13 Correct 323 ms 55892 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 2 ms 860 KB Output is correct
19 Correct 3 ms 708 KB Output is correct
20 Correct 3 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 2 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 3 ms 860 KB Output is correct
31 Correct 3 ms 860 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 3 ms 600 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 2 ms 860 KB Output is correct
37 Correct 3 ms 860 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 704 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 166 ms 42416 KB Output is correct
43 Correct 167 ms 42828 KB Output is correct
44 Correct 150 ms 39868 KB Output is correct
45 Correct 191 ms 90724 KB Output is correct
46 Correct 175 ms 67396 KB Output is correct
47 Correct 173 ms 57216 KB Output is correct
48 Correct 85 ms 21444 KB Output is correct
49 Correct 196 ms 49944 KB Output is correct
50 Correct 253 ms 43796 KB Output is correct
51 Correct 190 ms 90400 KB Output is correct
52 Correct 177 ms 70004 KB Output is correct
53 Correct 197 ms 51140 KB Output is correct
54 Correct 156 ms 42180 KB Output is correct
55 Correct 91 ms 28356 KB Output is correct
56 Correct 167 ms 58308 KB Output is correct
57 Correct 222 ms 90652 KB Output is correct
58 Correct 186 ms 69756 KB Output is correct
59 Correct 181 ms 58052 KB Output is correct
60 Correct 196 ms 42176 KB Output is correct
61 Correct 177 ms 41916 KB Output is correct
62 Correct 179 ms 42944 KB Output is correct
63 Correct 213 ms 90816 KB Output is correct
64 Correct 134 ms 51536 KB Output is correct
65 Correct 169 ms 50852 KB Output is correct
66 Correct 119 ms 40648 KB Output is correct
67 Correct 180 ms 41160 KB Output is correct
68 Correct 207 ms 43196 KB Output is correct
69 Correct 202 ms 90740 KB Output is correct
70 Correct 181 ms 67396 KB Output is correct
71 Correct 220 ms 50936 KB Output is correct
72 Correct 227 ms 50300 KB Output is correct
73 Correct 148 ms 41148 KB Output is correct
74 Correct 210 ms 57192 KB Output is correct
75 Correct 217 ms 53348 KB Output is correct
76 Correct 1 ms 344 KB Output is correct
77 Correct 2 ms 600 KB Output is correct
78 Correct 3 ms 700 KB Output is correct
79 Correct 2 ms 604 KB Output is correct
80 Correct 1 ms 604 KB Output is correct
81 Correct 3 ms 860 KB Output is correct
82 Correct 1 ms 604 KB Output is correct
83 Correct 2 ms 604 KB Output is correct
84 Correct 3 ms 632 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 2 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 2 ms 600 KB Output is correct
89 Correct 2 ms 604 KB Output is correct
90 Correct 2 ms 600 KB Output is correct
91 Correct 2 ms 604 KB Output is correct
92 Correct 2 ms 704 KB Output is correct
93 Correct 2 ms 604 KB Output is correct
94 Correct 2 ms 792 KB Output is correct
95 Correct 3 ms 604 KB Output is correct
96 Correct 1 ms 604 KB Output is correct
97 Correct 2 ms 604 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 3 ms 860 KB Output is correct
101 Correct 3 ms 676 KB Output is correct
102 Correct 333 ms 53800 KB Output is correct
103 Correct 288 ms 49972 KB Output is correct
104 Correct 270 ms 43172 KB Output is correct
105 Correct 224 ms 41196 KB Output is correct
106 Correct 205 ms 65308 KB Output is correct
107 Correct 197 ms 56396 KB Output is correct
108 Correct 344 ms 58780 KB Output is correct
109 Correct 141 ms 25288 KB Output is correct
110 Correct 278 ms 44508 KB Output is correct
111 Correct 251 ms 43460 KB Output is correct
112 Correct 289 ms 41244 KB Output is correct
113 Correct 197 ms 55864 KB Output is correct
114 Correct 225 ms 66232 KB Output is correct
115 Correct 174 ms 25924 KB Output is correct
116 Correct 331 ms 55096 KB Output is correct
117 Correct 261 ms 46300 KB Output is correct
118 Correct 245 ms 43968 KB Output is correct
119 Correct 196 ms 40124 KB Output is correct
120 Correct 194 ms 56768 KB Output is correct
121 Correct 187 ms 55940 KB Output is correct
122 Correct 317 ms 63036 KB Output is correct
123 Correct 309 ms 53824 KB Output is correct
124 Correct 226 ms 44992 KB Output is correct
125 Correct 266 ms 44740 KB Output is correct
126 Correct 208 ms 41852 KB Output is correct
127 Correct 114 ms 30408 KB Output is correct
128 Correct 79 ms 26380 KB Output is correct
129 Correct 317 ms 62844 KB Output is correct
130 Correct 345 ms 53568 KB Output is correct
131 Correct 334 ms 48832 KB Output is correct
132 Correct 252 ms 43168 KB Output is correct
133 Correct 207 ms 41148 KB Output is correct
134 Correct 177 ms 65468 KB Output is correct
135 Correct 198 ms 61216 KB Output is correct
136 Correct 341 ms 59288 KB Output is correct
137 Correct 334 ms 60264 KB Output is correct