oj.uz

Submission #763071

# Submission time Handle Problem Language Result Execution time Memory
763071 2023-06-22T03:06:37 Z huutuan Power Plant (JOI20_power) C++17
100 / 100
 150 ms 34244 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,sse4.2,popcnt,lzcnt")

 
#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ll long long
#define ld long double
#define pb push_back
#define ff first
#define ss second
#define pii pair<int, int>
#define vi vector<int>
#define vii vector<pii>
using namespace std;
 
const int mxN = 2e5 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
 
int n;
vi G[mxN];
bool vis[mxN];
int dp[mxN], ans;
 
void dfs(int v, int p) {
	int maxx = 0, cur_sum = 0;
	for(int u : G[v]) {
		if(u == p) continue;
		dfs(u, v);
		cur_sum += dp[u];
		maxx = max(maxx, dp[u]);
	}
	dp[v] = max(cur_sum - vis[v], (int)vis[v]);
	ans = max({ans, cur_sum - vis[v], maxx + vis[v]});
}
 
void solve() {
	cin >> n;
	for(int i = 1; i < n; ++i) {
		int u, v; cin >> u >> v;
		G[u].emplace_back(v);
		G[v].emplace_back(u);
	}
	for(int i = 1; i <= n; ++i) {
		char c; cin >> c;
		vis[i] = (c == '1');
	}
	dfs(1, 0);
	cout << ans << endl;
}
 
signed main() {
 
#ifndef CDuongg
    if(fopen(taskname".inp", "r"))
        assert(freopen(taskname".inp", "r", stdin)), assert(freopen(taskname".out", "w", stdout));
#else
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif
 
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int t = 1; //cin >> t;
	while(t--) solve();
 
#ifdef CDuongg
	auto end = chrono::high_resolution_clock::now();
	cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
	cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
#endif
 
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5012 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5092 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5012 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5076 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5012 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5204 KB Output is correct
30 Correct 3 ms 5204 KB Output is correct
31 Correct 3 ms 5076 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5092 KB Output is correct
39 Correct 3 ms 5076 KB Output is correct
40 Correct 3 ms 5076 KB Output is correct
41 Correct 3 ms 5204 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 3 ms 5012 KB Output is correct
48 Correct 3 ms 5204 KB Output is correct
49 Correct 3 ms 5204 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 3 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5076 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 3 ms 5204 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 3 ms 5204 KB Output is correct
63 Correct 3 ms 5076 KB Output is correct
64 Correct 76 ms 12300 KB Output is correct
65 Correct 67 ms 12380 KB Output is correct
66 Correct 71 ms 12316 KB Output is correct
67 Correct 83 ms 12272 KB Output is correct
68 Correct 85 ms 12344 KB Output is correct
69 Correct 66 ms 12304 KB Output is correct
70 Correct 83 ms 12352 KB Output is correct
71 Correct 65 ms 12344 KB Output is correct
72 Correct 92 ms 12368 KB Output is correct
73 Correct 95 ms 32532 KB Output is correct
74 Correct 88 ms 32444 KB Output is correct
75 Correct 78 ms 12236 KB Output is correct
76 Correct 64 ms 12144 KB Output is correct
77 Correct 113 ms 12240 KB Output is correct
78 Correct 68 ms 12240 KB Output is correct
79 Correct 64 ms 12136 KB Output is correct
80 Correct 65 ms 12228 KB Output is correct
81 Correct 63 ms 12648 KB Output is correct
82 Correct 96 ms 12484 KB Output is correct
83 Correct 115 ms 20464 KB Output is correct
84 Correct 83 ms 23972 KB Output is correct
85 Correct 84 ms 23432 KB Output is correct
86 Correct 68 ms 14424 KB Output is correct
87 Correct 88 ms 13644 KB Output is correct
88 Correct 70 ms 13932 KB Output is correct
89 Correct 71 ms 13948 KB Output is correct
90 Correct 73 ms 13548 KB Output is correct
91 Correct 78 ms 13964 KB Output is correct
92 Correct 81 ms 14516 KB Output is correct
93 Correct 73 ms 18568 KB Output is correct
94 Correct 70 ms 21316 KB Output is correct
95 Correct 139 ms 19216 KB Output is correct
96 Correct 78 ms 16160 KB Output is correct
97 Correct 63 ms 13696 KB Output is correct
98 Correct 64 ms 12964 KB Output is correct
99 Correct 84 ms 12640 KB Output is correct
100 Correct 95 ms 17740 KB Output is correct
101 Correct 73 ms 14512 KB Output is correct
102 Correct 83 ms 13244 KB Output is correct
103 Correct 72 ms 12924 KB Output is correct
104 Correct 43 ms 13036 KB Output is correct
105 Correct 107 ms 27468 KB Output is correct
106 Correct 45 ms 13008 KB Output is correct
107 Correct 55 ms 12988 KB Output is correct
108 Correct 135 ms 33804 KB Output is correct
109 Correct 59 ms 12940 KB Output is correct
110 Correct 150 ms 34244 KB Output is correct
111 Correct 101 ms 12236 KB Output is correct