oj.uz

Submission #564330

# Submission time Handle Problem Language Result Execution time Memory
564330 2022-05-19T02:08:06 Z minhcool Road Closures (APIO21_roads) C++17
36 / 100
 2000 ms 27120 KB 
#include "roads.h"
#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
#define fi first
#define se second
#define pb push_back
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 1e5 + 5, oo = 1e18 + 7, mod = 1e9 + 7;
 
ll n;
 
vector<ii> Adj[N];
 
ll k;
ll dp[N][2];
 
void dfs(int u, int p){
	int we = 0;
	for(auto it : Adj[u]){
		int v = it.fi;
		if(v == p){
			we = it.se;
			continue;
		}
		dfs(v, u);
	}
	vector<ll> vc;
	ll sum = 0;
	for(auto it : Adj[u]){
		int v = it.fi;
		if(v == p) continue;
		sum += dp[v][0];
		vc.pb(dp[v][0] - dp[v][1]);
	}
	sort(vc.begin(), vc.end());
	reverse(vc.begin(), vc.end());
	ll sum2 = 0;
	for(int i = 0; i < min((ll)vc.size(), (ll)k - 1); i++){
		sum2 += max(0LL, vc[i]);
	}
	dp[u][0] = sum - sum2 - (((ll)vc.size() < k || !k) ? 0 : max(0LL, vc[k - 1])) + we;
	dp[u][1] = sum - sum2;
	//cout << u << " " << dp[u][0] << " " << dp[u][1] << "\n";
}

bool ck_star(){
	int tol = 0;
	for(int i=  1; i <= n; i++) tol += (Adj[i].size() >= 2);
	return (tol == 1);
}

bool ck_line(){
	for(int i = 1; i <= n; i++) if(Adj[i].size() > 2) return 0;
	return 1;
}
 
vector<long long> minimum_closure_costs(int N, vector<int> U, vector<int> V, vector<int> W){
	n = N;
	//cout << U.size() << " " << V.size() << " " << W.size() << "\n";
	//exit(0);
	for(int i = 0; i < (n - 1); i++){
		U[i]++, V[i]++;
		Adj[U[i]].pb({V[i], W[i]});
		Adj[V[i]].pb({U[i], W[i]});
	}
	if(ck_star()){
		sort(W.begin(), W.end(), greater<int>());
		vector<ll> ans(n);
		ll sum = 0;
		for(int i = n - 1; i >= 0; i--){
			ans[i] = sum;
			if(i) sum += W[i - 1];
		}
		return ans;
	}
	int mx_deg = 0;
	for(int i = 1; i <= n; i++) mx_deg = max(mx_deg, (int)Adj[i].size());
	vector<ll> ans;
	for(int i = 0; i < mx_deg; i++){
		k = i;
		dfs(1, 1);
		ans.pb(min(dp[1][0], dp[1][1]));		
	}
	for(int i = mx_deg; i < n; i++) ans.pb(0);
	return ans;
}
 
 /*

void process(){
	int n;
	vector<int> a, b, c;
	cin >> n;
	for(int i = 1; i <= 3 * n - 3; i++){
		int x;
		cin >> x;
		if(i <= (n - 1)) a.pb(x);
		else if(i <= 2 * (n - 1)) b.pb(x);
		else c.pb(x);
	}
	vector<long long> temp = minimum_closure_costs(n, a, b, c);
	for(auto it : temp) cout << it << " ";
}
 
signed main(){
	ios_base::sync_with_stdio(0);
	freopen("roads.inp", "r", stdin);
	freopen("roads.out", "w", stdout);
	process();
}*/

Compilation message

roads.cpp:14:34: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   14 | const int N = 1e5 + 5, oo = 1e18 + 7, mod = 1e9 + 7;
      |                             ~~~~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 2 ms 2772 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 3 ms 2772 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2676 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 3 ms 2772 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 33 ms 6860 KB Output is correct
13 Correct 49 ms 10584 KB Output is correct
14 Correct 54 ms 10688 KB Output is correct
15 Correct 84 ms 11456 KB Output is correct
16 Correct 76 ms 11696 KB Output is correct
17 Correct 57 ms 11836 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 44 ms 9844 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 73 ms 21344 KB Output is correct
3 Correct 69 ms 25524 KB Output is correct
4 Correct 69 ms 27040 KB Output is correct
5 Correct 71 ms 27120 KB Output is correct
6 Correct 3 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 3 ms 3028 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 36 ms 16656 KB Output is correct
13 Correct 67 ms 26288 KB Output is correct
14 Correct 2 ms 2660 KB Output is correct
15 Correct 54 ms 24044 KB Output is correct
16 Correct 65 ms 26216 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2648 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 1 ms 2644 KB Output is correct
23 Correct 3 ms 2772 KB Output is correct
24 Correct 4 ms 2772 KB Output is correct
25 Correct 3 ms 2772 KB Output is correct
26 Correct 7 ms 2772 KB Output is correct
27 Correct 29 ms 2816 KB Output is correct
28 Correct 16 ms 2772 KB Output is correct
29 Correct 4 ms 2772 KB Output is correct
30 Correct 5 ms 2772 KB Output is correct
31 Correct 6 ms 2816 KB Output is correct
32 Correct 42 ms 2828 KB Output is correct
33 Correct 2 ms 3028 KB Output is correct
34 Correct 3 ms 3028 KB Output is correct
35 Correct 2 ms 3028 KB Output is correct
36 Correct 2 ms 2772 KB Output is correct
37 Correct 2 ms 2772 KB Output is correct
38 Correct 3 ms 2772 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2644 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 2 ms 2644 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 3 ms 2772 KB Output is correct
54 Correct 3 ms 2772 KB Output is correct
55 Correct 19 ms 2836 KB Output is correct
56 Correct 4 ms 2772 KB Output is correct
57 Correct 3 ms 2772 KB Output is correct
58 Correct 2 ms 2644 KB Output is correct
59 Correct 2 ms 2644 KB Output is correct
60 Correct 3 ms 2576 KB Output is correct
61 Correct 2 ms 2644 KB Output is correct
62 Correct 2 ms 2644 KB Output is correct
63 Correct 1 ms 2644 KB Output is correct
64 Correct 4 ms 2772 KB Output is correct
65 Correct 3 ms 2772 KB Output is correct
66 Correct 6 ms 2820 KB Output is correct
67 Correct 41 ms 2828 KB Output is correct
68 Correct 5 ms 2772 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 11232 KB Output is correct
2 Correct 227 ms 12364 KB Output is correct
3 Correct 1812 ms 13600 KB Output is correct
4 Correct 171 ms 12792 KB Output is correct
5 Correct 1650 ms 13616 KB Output is correct
6 Execution timed out 2087 ms 12000 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 11232 KB Output is correct
2 Correct 227 ms 12364 KB Output is correct
3 Correct 1812 ms 13600 KB Output is correct
4 Correct 171 ms 12792 KB Output is correct
5 Correct 1650 ms 13616 KB Output is correct
6 Execution timed out 2087 ms 12000 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 2 ms 2772 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 3 ms 2772 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2676 KB Output is correct
8 Correct 3 ms 2772 KB Output is correct
9 Correct 3 ms 2772 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 33 ms 6860 KB Output is correct
13 Correct 49 ms 10584 KB Output is correct
14 Correct 54 ms 10688 KB Output is correct
15 Correct 84 ms 11456 KB Output is correct
16 Correct 76 ms 11696 KB Output is correct
17 Correct 57 ms 11836 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 44 ms 9844 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 73 ms 21344 KB Output is correct
22 Correct 69 ms 25524 KB Output is correct
23 Correct 69 ms 27040 KB Output is correct
24 Correct 71 ms 27120 KB Output is correct
25 Correct 3 ms 3028 KB Output is correct
26 Correct 4 ms 3028 KB Output is correct
27 Correct 3 ms 3028 KB Output is correct
28 Correct 2 ms 2636 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 36 ms 16656 KB Output is correct
32 Correct 67 ms 26288 KB Output is correct
33 Correct 2 ms 2660 KB Output is correct
34 Correct 54 ms 24044 KB Output is correct
35 Correct 65 ms 26216 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2644 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 2 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 2 ms 2648 KB Output is correct
51 Correct 2 ms 2644 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 2 ms 2644 KB Output is correct
54 Correct 2 ms 2644 KB Output is correct
55 Correct 2 ms 2644 KB Output is correct
56 Correct 1 ms 2644 KB Output is correct
57 Correct 1 ms 2644 KB Output is correct
58 Correct 3 ms 2772 KB Output is correct
59 Correct 4 ms 2772 KB Output is correct
60 Correct 3 ms 2772 KB Output is correct
61 Correct 7 ms 2772 KB Output is correct
62 Correct 29 ms 2816 KB Output is correct
63 Correct 16 ms 2772 KB Output is correct
64 Correct 4 ms 2772 KB Output is correct
65 Correct 5 ms 2772 KB Output is correct
66 Correct 6 ms 2816 KB Output is correct
67 Correct 42 ms 2828 KB Output is correct
68 Correct 2 ms 3028 KB Output is correct
69 Correct 3 ms 3028 KB Output is correct
70 Correct 2 ms 3028 KB Output is correct
71 Correct 2 ms 2772 KB Output is correct
72 Correct 2 ms 2772 KB Output is correct
73 Correct 3 ms 2772 KB Output is correct
74 Correct 2 ms 2644 KB Output is correct
75 Correct 2 ms 2644 KB Output is correct
76 Correct 2 ms 2644 KB Output is correct
77 Correct 2 ms 2644 KB Output is correct
78 Correct 2 ms 2644 KB Output is correct
79 Correct 2 ms 2644 KB Output is correct
80 Correct 1 ms 2644 KB Output is correct
81 Correct 2 ms 2644 KB Output is correct
82 Correct 2 ms 2644 KB Output is correct
83 Correct 2 ms 2644 KB Output is correct
84 Correct 2 ms 2644 KB Output is correct
85 Correct 2 ms 2644 KB Output is correct
86 Correct 2 ms 2644 KB Output is correct
87 Correct 2 ms 2644 KB Output is correct
88 Correct 3 ms 2772 KB Output is correct
89 Correct 3 ms 2772 KB Output is correct
90 Correct 19 ms 2836 KB Output is correct
91 Correct 4 ms 2772 KB Output is correct
92 Correct 3 ms 2772 KB Output is correct
93 Correct 2 ms 2644 KB Output is correct
94 Correct 2 ms 2644 KB Output is correct
95 Correct 3 ms 2576 KB Output is correct
96 Correct 2 ms 2644 KB Output is correct
97 Correct 2 ms 2644 KB Output is correct
98 Correct 1 ms 2644 KB Output is correct
99 Correct 4 ms 2772 KB Output is correct
100 Correct 3 ms 2772 KB Output is correct
101 Correct 6 ms 2820 KB Output is correct
102 Correct 41 ms 2828 KB Output is correct
103 Correct 5 ms 2772 KB Output is correct
104 Correct 141 ms 11232 KB Output is correct
105 Correct 227 ms 12364 KB Output is correct
106 Correct 1812 ms 13600 KB Output is correct
107 Correct 171 ms 12792 KB Output is correct
108 Correct 1650 ms 13616 KB Output is correct
109 Execution timed out 2087 ms 12000 KB Time limit exceeded
110 Halted 0 ms 0 KB -