oj.uz

Submission #935538

# Submission time Handle Problem Language Result Execution time Memory
935538 2024-02-29T08:58:24 Z Whisper Power Plant (JOI20_power) C++17
100 / 100
 147 ms 28392 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

#define int long long
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define pii pair<int , int>
#define Lg(x) 31 - __builtin_clz(x)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)

constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 2e5 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void setupIO(){
    #define name "Whisper"
    //Phu Trong from Nguyen Tat Thanh High School for gifted student
    srand(time(NULL));
    cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    cout << fixed << setprecision(10);
}

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }
int numNode;
vector<int> adj[MAX];
string s;
int dp[MAX];
int hasGen[MAX];
int ans = 0;
void dfs(int u, int p){
    int pre_ans = 0;
    for (auto&v : adj[u]) if(v ^ p){
        dfs(v, u);
        dp[u] += dp[v];
        maximize(pre_ans, dp[v]);
    }
    if (hasGen[u]){
        dp[u] = max(dp[u] - 1, 1ll);
        pre_ans++;
    }
    maximize(ans, max(pre_ans, dp[u]));
}
void Whisper(){
    cin >> numNode;
    for (int i = 1; i < numNode; ++i){
        int u, v; cin >> u >> v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    cin >> s;
    REP(i, numNode){
        hasGen[i + 1] = (s[i] == '1');
    }
    dfs(1, 0);
    cout << ans;
}


signed main(){
    setupIO();
    int Test = 1;
//    cin >> Test;
    for ( int i = 1 ; i <= Test ; i++ ){
        Whisper();
        if (i < Test) cout << '\n';
    }
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5976 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 2 ms 5980 KB Output is correct
4 Correct 2 ms 5980 KB Output is correct
5 Correct 2 ms 6232 KB Output is correct
6 Correct 2 ms 5980 KB Output is correct
7 Correct 2 ms 5980 KB Output is correct
8 Correct 2 ms 5980 KB Output is correct
9 Correct 2 ms 5980 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 5980 KB Output is correct
12 Correct 2 ms 5980 KB Output is correct
13 Correct 2 ms 5976 KB Output is correct
14 Correct 2 ms 5976 KB Output is correct
15 Correct 2 ms 5980 KB Output is correct
16 Correct 2 ms 5980 KB Output is correct
17 Correct 2 ms 5980 KB Output is correct
18 Correct 2 ms 5976 KB Output is correct
19 Correct 2 ms 5980 KB Output is correct
20 Correct 2 ms 5980 KB Output is correct
21 Correct 2 ms 5980 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5976 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 2 ms 5980 KB Output is correct
4 Correct 2 ms 5980 KB Output is correct
5 Correct 2 ms 6232 KB Output is correct
6 Correct 2 ms 5980 KB Output is correct
7 Correct 2 ms 5980 KB Output is correct
8 Correct 2 ms 5980 KB Output is correct
9 Correct 2 ms 5980 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 5980 KB Output is correct
12 Correct 2 ms 5980 KB Output is correct
13 Correct 2 ms 5976 KB Output is correct
14 Correct 2 ms 5976 KB Output is correct
15 Correct 2 ms 5980 KB Output is correct
16 Correct 2 ms 5980 KB Output is correct
17 Correct 2 ms 5980 KB Output is correct
18 Correct 2 ms 5976 KB Output is correct
19 Correct 2 ms 5980 KB Output is correct
20 Correct 2 ms 5980 KB Output is correct
21 Correct 2 ms 5980 KB Output is correct
22 Correct 2 ms 5980 KB Output is correct
23 Correct 3 ms 5980 KB Output is correct
24 Correct 2 ms 5980 KB Output is correct
25 Correct 3 ms 5980 KB Output is correct
26 Correct 2 ms 5980 KB Output is correct
27 Correct 3 ms 5976 KB Output is correct
28 Correct 2 ms 5976 KB Output is correct
29 Correct 3 ms 6236 KB Output is correct
30 Correct 2 ms 6236 KB Output is correct
31 Correct 2 ms 5980 KB Output is correct
32 Correct 2 ms 6076 KB Output is correct
33 Correct 2 ms 5980 KB Output is correct
34 Correct 2 ms 5980 KB Output is correct
35 Correct 3 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 2 ms 5980 KB Output is correct
38 Correct 3 ms 5980 KB Output is correct
39 Correct 2 ms 6236 KB Output is correct
40 Correct 3 ms 5980 KB Output is correct
41 Correct 2 ms 6436 KB Output is correct
42 Correct 2 ms 5976 KB Output is correct
43 Correct 2 ms 5980 KB Output is correct
44 Correct 2 ms 5980 KB Output is correct
45 Correct 2 ms 5980 KB Output is correct
46 Correct 3 ms 5980 KB Output is correct
47 Correct 2 ms 5980 KB Output is correct
48 Correct 3 ms 6236 KB Output is correct
49 Correct 2 ms 6236 KB Output is correct
50 Correct 3 ms 5980 KB Output is correct
51 Correct 2 ms 5980 KB Output is correct
52 Correct 2 ms 5980 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 3 ms 6084 KB Output is correct
55 Correct 2 ms 5980 KB Output is correct
56 Correct 2 ms 5980 KB Output is correct
57 Correct 3 ms 6236 KB Output is correct
58 Correct 2 ms 5980 KB Output is correct
59 Correct 3 ms 5980 KB Output is correct
60 Correct 2 ms 6236 KB Output is correct
61 Correct 2 ms 5980 KB Output is correct
62 Correct 2 ms 6236 KB Output is correct
63 Correct 2 ms 5976 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 5976 KB Output is correct
2 Correct 2 ms 5980 KB Output is correct
3 Correct 2 ms 5980 KB Output is correct
4 Correct 2 ms 5980 KB Output is correct
5 Correct 2 ms 6232 KB Output is correct
6 Correct 2 ms 5980 KB Output is correct
7 Correct 2 ms 5980 KB Output is correct
8 Correct 2 ms 5980 KB Output is correct
9 Correct 2 ms 5980 KB Output is correct
10 Correct 2 ms 5980 KB Output is correct
11 Correct 2 ms 5980 KB Output is correct
12 Correct 2 ms 5980 KB Output is correct
13 Correct 2 ms 5976 KB Output is correct
14 Correct 2 ms 5976 KB Output is correct
15 Correct 2 ms 5980 KB Output is correct
16 Correct 2 ms 5980 KB Output is correct
17 Correct 2 ms 5980 KB Output is correct
18 Correct 2 ms 5976 KB Output is correct
19 Correct 2 ms 5980 KB Output is correct
20 Correct 2 ms 5980 KB Output is correct
21 Correct 2 ms 5980 KB Output is correct
22 Correct 2 ms 5980 KB Output is correct
23 Correct 3 ms 5980 KB Output is correct
24 Correct 2 ms 5980 KB Output is correct
25 Correct 3 ms 5980 KB Output is correct
26 Correct 2 ms 5980 KB Output is correct
27 Correct 3 ms 5976 KB Output is correct
28 Correct 2 ms 5976 KB Output is correct
29 Correct 3 ms 6236 KB Output is correct
30 Correct 2 ms 6236 KB Output is correct
31 Correct 2 ms 5980 KB Output is correct
32 Correct 2 ms 6076 KB Output is correct
33 Correct 2 ms 5980 KB Output is correct
34 Correct 2 ms 5980 KB Output is correct
35 Correct 3 ms 5980 KB Output is correct
36 Correct 2 ms 5980 KB Output is correct
37 Correct 2 ms 5980 KB Output is correct
38 Correct 3 ms 5980 KB Output is correct
39 Correct 2 ms 6236 KB Output is correct
40 Correct 3 ms 5980 KB Output is correct
41 Correct 2 ms 6436 KB Output is correct
42 Correct 2 ms 5976 KB Output is correct
43 Correct 2 ms 5980 KB Output is correct
44 Correct 2 ms 5980 KB Output is correct
45 Correct 2 ms 5980 KB Output is correct
46 Correct 3 ms 5980 KB Output is correct
47 Correct 2 ms 5980 KB Output is correct
48 Correct 3 ms 6236 KB Output is correct
49 Correct 2 ms 6236 KB Output is correct
50 Correct 3 ms 5980 KB Output is correct
51 Correct 2 ms 5980 KB Output is correct
52 Correct 2 ms 5980 KB Output is correct
53 Correct 2 ms 5980 KB Output is correct
54 Correct 3 ms 6084 KB Output is correct
55 Correct 2 ms 5980 KB Output is correct
56 Correct 2 ms 5980 KB Output is correct
57 Correct 3 ms 6236 KB Output is correct
58 Correct 2 ms 5980 KB Output is correct
59 Correct 3 ms 5980 KB Output is correct
60 Correct 2 ms 6236 KB Output is correct
61 Correct 2 ms 5980 KB Output is correct
62 Correct 2 ms 6236 KB Output is correct
63 Correct 2 ms 5976 KB Output is correct
64 Correct 79 ms 18576 KB Output is correct
65 Correct 83 ms 18700 KB Output is correct
66 Correct 105 ms 18560 KB Output is correct
67 Correct 69 ms 18572 KB Output is correct
68 Correct 68 ms 18512 KB Output is correct
69 Correct 95 ms 19020 KB Output is correct
70 Correct 66 ms 18552 KB Output is correct
71 Correct 78 ms 18592 KB Output is correct
72 Correct 97 ms 18672 KB Output is correct
73 Correct 84 ms 27576 KB Output is correct
74 Correct 101 ms 27536 KB Output is correct
75 Correct 72 ms 19852 KB Output is correct
76 Correct 102 ms 19768 KB Output is correct
77 Correct 69 ms 18484 KB Output is correct
78 Correct 74 ms 18576 KB Output is correct
79 Correct 72 ms 18536 KB Output is correct
80 Correct 107 ms 18568 KB Output is correct
81 Correct 58 ms 18836 KB Output is correct
82 Correct 89 ms 18640 KB Output is correct
83 Correct 100 ms 22592 KB Output is correct
84 Correct 89 ms 24340 KB Output is correct
85 Correct 87 ms 23964 KB Output is correct
86 Correct 77 ms 19600 KB Output is correct
87 Correct 104 ms 19128 KB Output is correct
88 Correct 108 ms 19276 KB Output is correct
89 Correct 73 ms 19356 KB Output is correct
90 Correct 71 ms 19076 KB Output is correct
91 Correct 73 ms 19320 KB Output is correct
92 Correct 71 ms 19696 KB Output is correct
93 Correct 95 ms 21228 KB Output is correct
94 Correct 71 ms 22704 KB Output is correct
95 Correct 133 ms 21692 KB Output is correct
96 Correct 80 ms 20284 KB Output is correct
97 Correct 65 ms 18944 KB Output is correct
98 Correct 62 ms 18648 KB Output is correct
99 Correct 74 ms 18580 KB Output is correct
100 Correct 92 ms 20856 KB Output is correct
101 Correct 65 ms 19216 KB Output is correct
102 Correct 65 ms 18788 KB Output is correct
103 Correct 100 ms 18860 KB Output is correct
104 Correct 64 ms 19136 KB Output is correct
105 Correct 109 ms 24984 KB Output is correct
106 Correct 48 ms 19152 KB Output is correct
107 Correct 69 ms 19136 KB Output is correct
108 Correct 147 ms 28136 KB Output is correct
109 Correct 47 ms 19136 KB Output is correct
110 Correct 100 ms 28392 KB Output is correct
111 Correct 78 ms 18592 KB Output is correct