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답안 #995373

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
995373 2024-06-08T23:50:14 Z PagodePaiva Jobs (BOI24_jobs) C++17
40 / 100
 282 ms 232516 KB 
#include<bits/stdc++.h>
#define int long long
 
using namespace std;
const int N = 300010;
vector <int> g[N];
vector <int> raizes;
int val[N];
int pai[N];
int dp[N];
 
int dfs(int v, int p){
    int con = 0;
    for(auto x : g[v]){
        if(x == p) continue;
        dfs(x, v);
        con++;
    }
    if(con == 0)
        return dp[v] = max(0LL, val[v]);
    int vl = val[v];
    for(auto x : g[v]){
        if(x == p) continue;
        vl += dp[x];
    }
    dp[v] = max(vl, 0LL);
    return dp[v];
}
stack <pair <int, int>> s[N];

int32_t main(){
    srand(time(0));
    int n, c;
    cin >> n >> c;
    if(c >= 1e17){
        for(int i = 1;i <= n;i++){
            int p;
            cin >> val[i] >> p;
            if(p == 0) raizes.push_back(i);
            else g[p].push_back(i);
        }
        int res = 0;
        for(auto x : raizes){
            res += dfs(x, x);
        }
        cout << res << '\n';
        return 0;
    }
    vector<int> aux;
    int con = 0;
    for(int i = 1;i <= n;i++){
        cin >> val[i] >> pai[i]; 
        if(pai[i] == 0){
            if(!aux.empty()){
                reverse(aux.begin(), aux.end());
                vector <pair <int, int>> res;
                int ac = 0;
                int mnac = 0;
                while(!aux.empty()){
                    // cout << aux.back() << ' ' << ac << '\n';
                    if(aux.back() + ac >= 0){
                        res.push_back({aux.back()+ac, mnac});
                        ac = 0;
                        mnac = 0;
                    }
                    else{
                        ac += aux.back();
                        mnac = min(mnac, ac);
                    }
                    aux.pop_back();
                }
                reverse(res.begin(), res.end());
                for(auto x : res){
                    //cout << x.first << ' ' << x.second << '\n';
                    s[con].push(x);
                }
                con++;
            }
        }
        //cout << val[i] << ' ';
        aux.push_back(val[i]);
    }
    if(!aux.empty()){
        reverse(aux.begin(), aux.end());
        vector <pair <int, int>> res;
        int ac = 0;
        int mnac = 0;
        while(!aux.empty()){
            //cout << aux.back() << ' ';
            if(aux.back() + ac >= 0){
                //cout << aux.back() << ' ';
                res.push_back({aux.back()+ac, mnac});
                ac = 0;
                mnac = 0;
            }
            else{
                ac += aux.back();
                mnac = min(mnac, ac);
            }
            aux.pop_back();
        }
        reverse(res.begin(), res.end());
        for(auto x : res){
           // cout << x.first << ' ' << x.second << '\n';
            s[con].push(x);
        }
        con++;
    }
    priority_queue <array <int, 3>> pq;
    for(int i = 0;i < con;i++){
        if(s[i].empty()) continue;
        pq.push({s[i].top().second, s[i].top().first, i});
    }
    int res = 0;
    while(!pq.empty()){
        auto [mnac, valtot, i] = pq.top();
        pq.pop();
        // cout << mnac << ' ';
        if(c + mnac < 0) break;
        res += valtot;
        c += valtot;
        s[i].pop();
        if(s[i].empty()) continue;
        pq.push({s[i].top().second, s[i].top().first, i});
    }
    cout << res << '\n';
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 268 ms 224596 KB Output is correct
2 Correct 239 ms 223828 KB Output is correct
3 Correct 232 ms 223220 KB Output is correct
4 Correct 232 ms 229300 KB Output is correct
5 Correct 230 ms 232272 KB Output is correct
6 Correct 181 ms 221264 KB Output is correct
7 Correct 241 ms 223572 KB Output is correct
8 Correct 233 ms 223228 KB Output is correct
9 Correct 204 ms 231248 KB Output is correct
10 Correct 215 ms 232516 KB Output is correct
11 Correct 282 ms 223828 KB Output is correct
12 Correct 217 ms 222744 KB Output is correct
13 Correct 275 ms 223972 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 216400 KB Output is correct
2 Correct 89 ms 216404 KB Output is correct
3 Correct 86 ms 216400 KB Output is correct
4 Correct 83 ms 216400 KB Output is correct
5 Correct 82 ms 216396 KB Output is correct
6 Correct 92 ms 216340 KB Output is correct
7 Correct 86 ms 216404 KB Output is correct
8 Correct 93 ms 216464 KB Output is correct
9 Correct 95 ms 216400 KB Output is correct
10 Correct 85 ms 216404 KB Output is correct
11 Correct 103 ms 216400 KB Output is correct
12 Correct 87 ms 216388 KB Output is correct
13 Correct 93 ms 216404 KB Output is correct
14 Correct 88 ms 216476 KB Output is correct
15 Correct 93 ms 216344 KB Output is correct
16 Correct 94 ms 216404 KB Output is correct
17 Correct 98 ms 216512 KB Output is correct
18 Correct 87 ms 216400 KB Output is correct
19 Correct 94 ms 216400 KB Output is correct
20 Correct 84 ms 216400 KB Output is correct
21 Correct 96 ms 216508 KB Output is correct
22 Correct 91 ms 216328 KB Output is correct
23 Correct 77 ms 216400 KB Output is correct
24 Correct 94 ms 216404 KB Output is correct
25 Correct 92 ms 216404 KB Output is correct
26 Correct 90 ms 216400 KB Output is correct
27 Correct 90 ms 216400 KB Output is correct
28 Correct 93 ms 216400 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 216400 KB Output is correct
2 Correct 89 ms 216404 KB Output is correct
3 Correct 86 ms 216400 KB Output is correct
4 Correct 83 ms 216400 KB Output is correct
5 Correct 82 ms 216396 KB Output is correct
6 Correct 92 ms 216340 KB Output is correct
7 Correct 86 ms 216404 KB Output is correct
8 Correct 93 ms 216464 KB Output is correct
9 Correct 95 ms 216400 KB Output is correct
10 Correct 85 ms 216404 KB Output is correct
11 Correct 103 ms 216400 KB Output is correct
12 Correct 87 ms 216388 KB Output is correct
13 Correct 93 ms 216404 KB Output is correct
14 Correct 88 ms 216476 KB Output is correct
15 Correct 93 ms 216344 KB Output is correct
16 Correct 94 ms 216404 KB Output is correct
17 Correct 98 ms 216512 KB Output is correct
18 Correct 87 ms 216400 KB Output is correct
19 Correct 94 ms 216400 KB Output is correct
20 Correct 84 ms 216400 KB Output is correct
21 Correct 96 ms 216508 KB Output is correct
22 Correct 91 ms 216328 KB Output is correct
23 Correct 77 ms 216400 KB Output is correct
24 Correct 94 ms 216404 KB Output is correct
25 Correct 92 ms 216404 KB Output is correct
26 Correct 90 ms 216400 KB Output is correct
27 Correct 90 ms 216400 KB Output is correct
28 Correct 93 ms 216400 KB Output is correct
29 Correct 211 ms 217996 KB Output is correct
30 Correct 227 ms 217316 KB Output is correct
31 Correct 204 ms 223824 KB Output is correct
32 Correct 224 ms 223164 KB Output is correct
33 Correct 219 ms 221924 KB Output is correct
34 Correct 209 ms 218756 KB Output is correct
35 Correct 158 ms 217184 KB Output is correct
36 Correct 245 ms 218696 KB Output is correct
37 Correct 246 ms 217716 KB Output is correct
38 Correct 212 ms 223028 KB Output is correct
39 Correct 219 ms 220780 KB Output is correct
40 Correct 227 ms 219592 KB Output is correct
41 Correct 215 ms 218448 KB Output is correct
42 Correct 171 ms 217932 KB Output is correct
43 Correct 212 ms 217556 KB Output is correct
44 Correct 248 ms 225980 KB Output is correct
45 Correct 207 ms 220792 KB Output is correct
46 Correct 214 ms 219204 KB Output is correct
47 Correct 221 ms 218480 KB Output is correct
48 Correct 277 ms 219596 KB Output is correct
49 Correct 235 ms 217536 KB Output is correct
50 Correct 226 ms 225804 KB Output is correct
51 Correct 185 ms 218820 KB Output is correct
52 Correct 215 ms 219848 KB Output is correct
53 Correct 175 ms 217528 KB Output is correct
54 Correct 228 ms 220608 KB Output is correct
55 Correct 242 ms 217644 KB Output is correct
56 Correct 244 ms 227008 KB Output is correct
57 Correct 216 ms 221968 KB Output is correct
58 Correct 228 ms 219848 KB Output is correct
59 Correct 212 ms 218800 KB Output is correct
60 Correct 209 ms 219592 KB Output is correct
61 Correct 209 ms 217512 KB Output is correct
62 Correct 241 ms 219780 KB Output is correct

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 91 ms 216400 KB Output is correct
2 Correct 89 ms 216404 KB Output is correct
3 Correct 86 ms 216400 KB Output is correct
4 Correct 83 ms 216400 KB Output is correct
5 Correct 82 ms 216396 KB Output is correct
6 Correct 92 ms 216340 KB Output is correct
7 Correct 86 ms 216404 KB Output is correct
8 Correct 93 ms 216464 KB Output is correct
9 Correct 95 ms 216400 KB Output is correct
10 Correct 85 ms 216404 KB Output is correct
11 Correct 103 ms 216400 KB Output is correct
12 Correct 87 ms 216388 KB Output is correct
13 Correct 93 ms 216404 KB Output is correct
14 Correct 88 ms 216476 KB Output is correct
15 Correct 93 ms 216344 KB Output is correct
16 Correct 94 ms 216404 KB Output is correct
17 Correct 98 ms 216512 KB Output is correct
18 Correct 87 ms 216400 KB Output is correct
19 Correct 94 ms 216400 KB Output is correct
20 Correct 84 ms 216400 KB Output is correct
21 Correct 96 ms 216508 KB Output is correct
22 Correct 91 ms 216328 KB Output is correct
23 Correct 77 ms 216400 KB Output is correct
24 Correct 94 ms 216404 KB Output is correct
25 Correct 92 ms 216404 KB Output is correct
26 Correct 90 ms 216400 KB Output is correct
27 Correct 90 ms 216400 KB Output is correct
28 Correct 93 ms 216400 KB Output is correct
29 Incorrect 86 ms 216468 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 268 ms 224596 KB Output is correct
2 Correct 239 ms 223828 KB Output is correct
3 Correct 232 ms 223220 KB Output is correct
4 Correct 232 ms 229300 KB Output is correct
5 Correct 230 ms 232272 KB Output is correct
6 Correct 181 ms 221264 KB Output is correct
7 Correct 241 ms 223572 KB Output is correct
8 Correct 233 ms 223228 KB Output is correct
9 Correct 204 ms 231248 KB Output is correct
10 Correct 215 ms 232516 KB Output is correct
11 Correct 282 ms 223828 KB Output is correct
12 Correct 217 ms 222744 KB Output is correct
13 Correct 275 ms 223972 KB Output is correct
14 Correct 91 ms 216400 KB Output is correct
15 Correct 89 ms 216404 KB Output is correct
16 Correct 86 ms 216400 KB Output is correct
17 Correct 83 ms 216400 KB Output is correct
18 Correct 82 ms 216396 KB Output is correct
19 Correct 92 ms 216340 KB Output is correct
20 Correct 86 ms 216404 KB Output is correct
21 Correct 93 ms 216464 KB Output is correct
22 Correct 95 ms 216400 KB Output is correct
23 Correct 85 ms 216404 KB Output is correct
24 Correct 103 ms 216400 KB Output is correct
25 Correct 87 ms 216388 KB Output is correct
26 Correct 93 ms 216404 KB Output is correct
27 Correct 88 ms 216476 KB Output is correct
28 Correct 93 ms 216344 KB Output is correct
29 Correct 94 ms 216404 KB Output is correct
30 Correct 98 ms 216512 KB Output is correct
31 Correct 87 ms 216400 KB Output is correct
32 Correct 94 ms 216400 KB Output is correct
33 Correct 84 ms 216400 KB Output is correct
34 Correct 96 ms 216508 KB Output is correct
35 Correct 91 ms 216328 KB Output is correct
36 Correct 77 ms 216400 KB Output is correct
37 Correct 94 ms 216404 KB Output is correct
38 Correct 92 ms 216404 KB Output is correct
39 Correct 90 ms 216400 KB Output is correct
40 Correct 90 ms 216400 KB Output is correct
41 Correct 93 ms 216400 KB Output is correct
42 Correct 211 ms 217996 KB Output is correct
43 Correct 227 ms 217316 KB Output is correct
44 Correct 204 ms 223824 KB Output is correct
45 Correct 224 ms 223164 KB Output is correct
46 Correct 219 ms 221924 KB Output is correct
47 Correct 209 ms 218756 KB Output is correct
48 Correct 158 ms 217184 KB Output is correct
49 Correct 245 ms 218696 KB Output is correct
50 Correct 246 ms 217716 KB Output is correct
51 Correct 212 ms 223028 KB Output is correct
52 Correct 219 ms 220780 KB Output is correct
53 Correct 227 ms 219592 KB Output is correct
54 Correct 215 ms 218448 KB Output is correct
55 Correct 171 ms 217932 KB Output is correct
56 Correct 212 ms 217556 KB Output is correct
57 Correct 248 ms 225980 KB Output is correct
58 Correct 207 ms 220792 KB Output is correct
59 Correct 214 ms 219204 KB Output is correct
60 Correct 221 ms 218480 KB Output is correct
61 Correct 277 ms 219596 KB Output is correct
62 Correct 235 ms 217536 KB Output is correct
63 Correct 226 ms 225804 KB Output is correct
64 Correct 185 ms 218820 KB Output is correct
65 Correct 215 ms 219848 KB Output is correct
66 Correct 175 ms 217528 KB Output is correct
67 Correct 228 ms 220608 KB Output is correct
68 Correct 242 ms 217644 KB Output is correct
69 Correct 244 ms 227008 KB Output is correct
70 Correct 216 ms 221968 KB Output is correct
71 Correct 228 ms 219848 KB Output is correct
72 Correct 212 ms 218800 KB Output is correct
73 Correct 209 ms 219592 KB Output is correct
74 Correct 209 ms 217512 KB Output is correct
75 Correct 241 ms 219780 KB Output is correct
76 Incorrect 86 ms 216468 KB Output isn't correct
77 Halted 0 ms 0 KB -