답안 #920291

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
920291	2024-02-02T12:12:21 Z	Cookie	Power Plant (JOI20_power)	C++14	100 / 100	142 ms	75844 KB

power

#include<bits/stdc++.h>
#include<fstream>
using namespace std;

#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359, prec = 1e-9;;
using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 1e6 + 3;
const int mxn = 2e6 + 69, mxq = 1e5 + 5, sq = 500, mxv = 1e6 + 5;
//const int base = (1 <<18);
const ll inf = 1e9 + 5, neg = -69420;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
//const int x[9] = {0, 1, 1, -1, -1, 2, -2, 2, -2};
//const inty[9] = {0, 2, -2, 2, -2, 1, 1, -1, -1};


int n;
vt<int>adj[mxn + 1];
int dp[mxn + 1], sm[mxn + 1], ans = 0;
bool good[mxn + 1];
void dfs(int s, int pre){
    int mx = 0;
    for(auto i: adj[s]){
        if(i != pre){
            dfs(i, s); dp[s] += dp[i]; mx = max(mx, dp[i]);
        }
    }
    if(good[s]){
        dp[s] = max(dp[s] - 1, 1);
        mx++;
    }
    ans = max(ans, max(dp[s], mx));

    //cout << s << " " << dp[s] << "\n";

}
void solve(){
    cin >> n;
    for(int i = 1; i < n; i++){
        int u, v; cin >> u >> v;
        adj[u].pb(v); adj[v].pb(u);
    }
    for(int i = 1; i <= n; i++){
        char c; cin >> c;
        good[i] = (c - '0');
    }
    dfs(1, -1);
    cout << ans;
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("COLLEGE.INP", "r", stdin);
    //freopen("COLLEGE.OUT", "w", stdout);
    int tt; tt = 1;
    while(tt--){
        solve();

    }
    return(0);
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	48216 KB	Output is correct
2	Correct	14 ms	48216 KB	Output is correct
3	Correct	14 ms	48452 KB	Output is correct
4	Correct	14 ms	48220 KB	Output is correct
5	Correct	14 ms	48216 KB	Output is correct
6	Correct	14 ms	48220 KB	Output is correct
7	Correct	14 ms	48216 KB	Output is correct
8	Correct	15 ms	48728 KB	Output is correct
9	Correct	14 ms	48216 KB	Output is correct
10	Correct	14 ms	48376 KB	Output is correct
11	Correct	14 ms	48220 KB	Output is correct
12	Correct	15 ms	48220 KB	Output is correct
13	Correct	15 ms	48220 KB	Output is correct
14	Correct	15 ms	48216 KB	Output is correct
15	Correct	14 ms	48220 KB	Output is correct
16	Correct	14 ms	48444 KB	Output is correct
17	Correct	16 ms	48216 KB	Output is correct
18	Correct	15 ms	48220 KB	Output is correct
19	Correct	16 ms	48728 KB	Output is correct
20	Correct	14 ms	48216 KB	Output is correct
21	Correct	14 ms	48216 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	48216 KB	Output is correct
2	Correct	14 ms	48216 KB	Output is correct
3	Correct	14 ms	48452 KB	Output is correct
4	Correct	14 ms	48220 KB	Output is correct
5	Correct	14 ms	48216 KB	Output is correct
6	Correct	14 ms	48220 KB	Output is correct
7	Correct	14 ms	48216 KB	Output is correct
8	Correct	15 ms	48728 KB	Output is correct
9	Correct	14 ms	48216 KB	Output is correct
10	Correct	14 ms	48376 KB	Output is correct
11	Correct	14 ms	48220 KB	Output is correct
12	Correct	15 ms	48220 KB	Output is correct
13	Correct	15 ms	48220 KB	Output is correct
14	Correct	15 ms	48216 KB	Output is correct
15	Correct	14 ms	48220 KB	Output is correct
16	Correct	14 ms	48444 KB	Output is correct
17	Correct	16 ms	48216 KB	Output is correct
18	Correct	15 ms	48220 KB	Output is correct
19	Correct	16 ms	48728 KB	Output is correct
20	Correct	14 ms	48216 KB	Output is correct
21	Correct	14 ms	48216 KB	Output is correct
22	Correct	16 ms	48472 KB	Output is correct
23	Correct	14 ms	48472 KB	Output is correct
24	Correct	14 ms	48476 KB	Output is correct
25	Correct	14 ms	48472 KB	Output is correct
26	Correct	14 ms	48348 KB	Output is correct
27	Correct	15 ms	48472 KB	Output is correct
28	Correct	15 ms	48472 KB	Output is correct
29	Correct	14 ms	48472 KB	Output is correct
30	Correct	15 ms	48472 KB	Output is correct
31	Correct	15 ms	48460 KB	Output is correct
32	Correct	15 ms	48472 KB	Output is correct
33	Correct	15 ms	48472 KB	Output is correct
34	Correct	15 ms	48472 KB	Output is correct
35	Correct	17 ms	48472 KB	Output is correct
36	Correct	14 ms	48472 KB	Output is correct
37	Correct	15 ms	48476 KB	Output is correct
38	Correct	15 ms	48472 KB	Output is correct
39	Correct	15 ms	48472 KB	Output is correct
40	Correct	15 ms	48472 KB	Output is correct
41	Correct	15 ms	48472 KB	Output is correct
42	Correct	16 ms	48728 KB	Output is correct
43	Correct	15 ms	48472 KB	Output is correct
44	Correct	15 ms	48472 KB	Output is correct
45	Correct	15 ms	48472 KB	Output is correct
46	Correct	15 ms	48472 KB	Output is correct
47	Correct	15 ms	48476 KB	Output is correct
48	Correct	15 ms	48476 KB	Output is correct
49	Correct	15 ms	48472 KB	Output is correct
50	Correct	16 ms	48472 KB	Output is correct
51	Correct	15 ms	48476 KB	Output is correct
52	Correct	15 ms	48472 KB	Output is correct
53	Correct	15 ms	48472 KB	Output is correct
54	Correct	15 ms	48476 KB	Output is correct
55	Correct	15 ms	48476 KB	Output is correct
56	Correct	15 ms	48556 KB	Output is correct
57	Correct	15 ms	48472 KB	Output is correct
58	Correct	15 ms	48472 KB	Output is correct
59	Correct	15 ms	48476 KB	Output is correct
60	Correct	15 ms	48476 KB	Output is correct
61	Correct	15 ms	48472 KB	Output is correct
62	Correct	15 ms	48472 KB	Output is correct
63	Correct	16 ms	48472 KB	Output is correct

Subtask #3
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	48216 KB	Output is correct
2	Correct	14 ms	48216 KB	Output is correct
3	Correct	14 ms	48452 KB	Output is correct
4	Correct	14 ms	48220 KB	Output is correct
5	Correct	14 ms	48216 KB	Output is correct
6	Correct	14 ms	48220 KB	Output is correct
7	Correct	14 ms	48216 KB	Output is correct
8	Correct	15 ms	48728 KB	Output is correct
9	Correct	14 ms	48216 KB	Output is correct
10	Correct	14 ms	48376 KB	Output is correct
11	Correct	14 ms	48220 KB	Output is correct
12	Correct	15 ms	48220 KB	Output is correct
13	Correct	15 ms	48220 KB	Output is correct
14	Correct	15 ms	48216 KB	Output is correct
15	Correct	14 ms	48220 KB	Output is correct
16	Correct	14 ms	48444 KB	Output is correct
17	Correct	16 ms	48216 KB	Output is correct
18	Correct	15 ms	48220 KB	Output is correct
19	Correct	16 ms	48728 KB	Output is correct
20	Correct	14 ms	48216 KB	Output is correct
21	Correct	14 ms	48216 KB	Output is correct
22	Correct	16 ms	48472 KB	Output is correct
23	Correct	14 ms	48472 KB	Output is correct
24	Correct	14 ms	48476 KB	Output is correct
25	Correct	14 ms	48472 KB	Output is correct
26	Correct	14 ms	48348 KB	Output is correct
27	Correct	15 ms	48472 KB	Output is correct
28	Correct	15 ms	48472 KB	Output is correct
29	Correct	14 ms	48472 KB	Output is correct
30	Correct	15 ms	48472 KB	Output is correct
31	Correct	15 ms	48460 KB	Output is correct
32	Correct	15 ms	48472 KB	Output is correct
33	Correct	15 ms	48472 KB	Output is correct
34	Correct	15 ms	48472 KB	Output is correct
35	Correct	17 ms	48472 KB	Output is correct
36	Correct	14 ms	48472 KB	Output is correct
37	Correct	15 ms	48476 KB	Output is correct
38	Correct	15 ms	48472 KB	Output is correct
39	Correct	15 ms	48472 KB	Output is correct
40	Correct	15 ms	48472 KB	Output is correct
41	Correct	15 ms	48472 KB	Output is correct
42	Correct	16 ms	48728 KB	Output is correct
43	Correct	15 ms	48472 KB	Output is correct
44	Correct	15 ms	48472 KB	Output is correct
45	Correct	15 ms	48472 KB	Output is correct
46	Correct	15 ms	48472 KB	Output is correct
47	Correct	15 ms	48476 KB	Output is correct
48	Correct	15 ms	48476 KB	Output is correct
49	Correct	15 ms	48472 KB	Output is correct
50	Correct	16 ms	48472 KB	Output is correct
51	Correct	15 ms	48476 KB	Output is correct
52	Correct	15 ms	48472 KB	Output is correct
53	Correct	15 ms	48472 KB	Output is correct
54	Correct	15 ms	48476 KB	Output is correct
55	Correct	15 ms	48476 KB	Output is correct
56	Correct	15 ms	48556 KB	Output is correct
57	Correct	15 ms	48472 KB	Output is correct
58	Correct	15 ms	48472 KB	Output is correct
59	Correct	15 ms	48476 KB	Output is correct
60	Correct	15 ms	48476 KB	Output is correct
61	Correct	15 ms	48472 KB	Output is correct
62	Correct	15 ms	48472 KB	Output is correct
63	Correct	16 ms	48472 KB	Output is correct
64	Correct	104 ms	62288 KB	Output is correct
65	Correct	93 ms	62288 KB	Output is correct
66	Correct	94 ms	61776 KB	Output is correct
67	Correct	95 ms	60436 KB	Output is correct
68	Correct	104 ms	60756 KB	Output is correct
69	Correct	96 ms	60496 KB	Output is correct
70	Correct	90 ms	60552 KB	Output is correct
71	Correct	100 ms	62472 KB	Output is correct
72	Correct	91 ms	62288 KB	Output is correct
73	Correct	110 ms	75088 KB	Output is correct
74	Correct	120 ms	75000 KB	Output is correct
75	Correct	87 ms	62288 KB	Output is correct
76	Correct	90 ms	62544 KB	Output is correct
77	Correct	91 ms	62284 KB	Output is correct
78	Correct	82 ms	60240 KB	Output is correct
79	Correct	91 ms	60420 KB	Output is correct
80	Correct	95 ms	62140 KB	Output is correct
81	Correct	83 ms	60616 KB	Output is correct
82	Correct	92 ms	62508 KB	Output is correct
83	Correct	107 ms	65656 KB	Output is correct
84	Correct	117 ms	69716 KB	Output is correct
85	Correct	125 ms	69372 KB	Output is correct
86	Correct	108 ms	63284 KB	Output is correct
87	Correct	94 ms	63148 KB	Output is correct
88	Correct	98 ms	61520 KB	Output is correct
89	Correct	96 ms	63708 KB	Output is correct
90	Correct	88 ms	62800 KB	Output is correct
91	Correct	92 ms	61776 KB	Output is correct
92	Correct	110 ms	63824 KB	Output is correct
93	Correct	94 ms	64372 KB	Output is correct
94	Correct	95 ms	65944 KB	Output is correct
95	Correct	99 ms	64744 KB	Output is correct
96	Correct	89 ms	63144 KB	Output is correct
97	Correct	97 ms	63536 KB	Output is correct
98	Correct	86 ms	61008 KB	Output is correct
99	Correct	104 ms	61008 KB	Output is correct
100	Correct	92 ms	65872 KB	Output is correct
101	Correct	92 ms	63828 KB	Output is correct
102	Correct	91 ms	61264 KB	Output is correct
103	Correct	98 ms	62800 KB	Output is correct
104	Correct	67 ms	62404 KB	Output is correct
105	Correct	142 ms	70164 KB	Output is correct
106	Correct	67 ms	61124 KB	Output is correct
107	Correct	70 ms	62404 KB	Output is correct
108	Correct	118 ms	75844 KB	Output is correct
109	Correct	68 ms	60420 KB	Output is correct
110	Correct	121 ms	75412 KB	Output is correct
111	Correct	79 ms	61776 KB	Output is correct

답안 #920291

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 53.0 / 53.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
53.0 / 53.0