oj.uz

Submission #362419

# Submission time Handle Problem Language Result Execution time Memory
362419 2021-02-03T06:27:46 Z knightron0 Traffic (IOI10_traffic) C++17
50 / 100
 72 ms 17604 KB 
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define fr first
#define sc second
#define clr(a, x) memset(a, x, sizeof(a))
#define dbg(x) cout<<"("<<#x<<"): "<<x<<endl;
#define printvector(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout<<*it<<" "; cout<<endl;
#define all(v) v.begin(), v.end()
#define lcm(a, b) (a * b)/__gcd(a, b)
#define printvecpairs(vec) for(auto it: vec) cout<<it.fr<<' '<<it.sc<<endl;
#define endl '\n'
#define float long double
#define lli long long int

const int MOD = 1e9 + 7;
const int MAXN = 1e5 + 5;

vector<int> adj[MAXN];
int value[MAXN];
lli sz[MAXN] = {0};

lli dfs(int s, int p){
	lli ans = value[s];
	for(auto v: adj[s]){
		if(v ==p) continue;
		ans += dfs(v, s);
	}
	sz[s] = ans;
	return ans;
}
lli ans = LLONG_MAX;
lli res = 0;

void dfs2(int s, int p, int last){
	lli mx = last;
	lli sum = last;
	for(auto v: adj[s]){
		if(v==p) continue;
		sum += sz[v];
		mx = max(mx, sz[v]);
	}
	if(ans > mx){
		ans = mx;
		res = s;
	}
	for(auto v: adj[s]){
		if(v==p) continue;
		lli newlast = sum-sz[v];
		newlast += value[s];
		dfs2(v, s, newlast);
	}
}

int LocateCentre(int n, int p[], int d[], int s[]) {
	sz[0] = 0;
	value[0]= 0;
	for(int i= 0;i<n-1;i++){
		d[i]++; s[i]++;
		adj[d[i]].pb(s[i]);
		adj[s[i]].pb(d[i]);
	}
	for(int i= 0;i<n;i++){
		value[i+1] = p[i];
	}
	dfs(1, -1);
	dfs2(1, 0, 0);
	return res-1;
}
	

// signed main() {
//     ios_base::sync_with_stdio(false);
//     cin.tie(NULL);
//     #ifdef LOCAL
//     freopen("input.txt", "r", stdin);
//     #endif
//     int n;
//     cin>>n;
//     int val[n];
//     for(int i= 0;i<n;i++){
//     	cin>>val[i];
//     }
//     int a[n], b[n];
//     for(int i= 0;i<n-1;i++){
//     	cin>>a[i]>>b[i];
//     }
//     cout<<LocateCentre(n, val, a, b)<<endl;
//     return 0;
// }

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 2 ms 2668 KB Output is correct
5 Correct 2 ms 2668 KB Output is correct
6 Correct 2 ms 2668 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2668 KB Output is correct
9 Correct 2 ms 2668 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 2 ms 2668 KB Output is correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2796 KB Output is correct
28 Correct 2 ms 2796 KB Output is correct
29 Correct 2 ms 2796 KB Output is correct
30 Correct 2 ms 2796 KB Output is correct
31 Correct 2 ms 2796 KB Output is correct
32 Correct 2 ms 2796 KB Output is correct
33 Correct 2 ms 2796 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 3 ms 2796 KB Output is correct
36 Correct 3 ms 2796 KB Output is correct
37 Correct 3 ms 2796 KB Output is correct
38 Correct 3 ms 2796 KB Output is correct
39 Correct 2 ms 2796 KB Output is correct
40 Correct 3 ms 2796 KB Output is correct
41 Correct 3 ms 2796 KB Output is correct
42 Correct 2 ms 2796 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 2 ms 2668 KB Output is correct
5 Correct 2 ms 2668 KB Output is correct
6 Correct 2 ms 2668 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2668 KB Output is correct
9 Correct 2 ms 2668 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 2 ms 2668 KB Output is correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2796 KB Output is correct
28 Correct 2 ms 2796 KB Output is correct
29 Correct 2 ms 2796 KB Output is correct
30 Correct 2 ms 2796 KB Output is correct
31 Correct 2 ms 2796 KB Output is correct
32 Correct 2 ms 2796 KB Output is correct
33 Correct 2 ms 2796 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 3 ms 2796 KB Output is correct
36 Correct 3 ms 2796 KB Output is correct
37 Correct 3 ms 2796 KB Output is correct
38 Correct 3 ms 2796 KB Output is correct
39 Correct 2 ms 2796 KB Output is correct
40 Correct 3 ms 2796 KB Output is correct
41 Correct 3 ms 2796 KB Output is correct
42 Correct 2 ms 2796 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2688 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2668 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2796 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 2 ms 2668 KB Output is correct
58 Correct 3 ms 2668 KB Output is correct
59 Correct 2 ms 2668 KB Output is correct
60 Correct 2 ms 2796 KB Output is correct
61 Correct 2 ms 2668 KB Output is correct
62 Correct 2 ms 2668 KB Output is correct
63 Correct 2 ms 2668 KB Output is correct
64 Correct 2 ms 2668 KB Output is correct
65 Correct 2 ms 2668 KB Output is correct
66 Correct 3 ms 2668 KB Output is correct
67 Correct 2 ms 2668 KB Output is correct
68 Correct 27 ms 9452 KB Output is correct
69 Correct 53 ms 15980 KB Output is correct
70 Correct 2 ms 2668 KB Output is correct
71 Runtime error 72 ms 17604 KB Execution killed with signal 11
72 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 2 ms 2668 KB Output is correct
5 Correct 2 ms 2668 KB Output is correct
6 Correct 2 ms 2668 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2668 KB Output is correct
9 Correct 2 ms 2668 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 2 ms 2668 KB Output is correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2796 KB Output is correct
28 Correct 2 ms 2796 KB Output is correct
29 Correct 2 ms 2796 KB Output is correct
30 Correct 2 ms 2796 KB Output is correct
31 Correct 2 ms 2796 KB Output is correct
32 Correct 2 ms 2796 KB Output is correct
33 Correct 2 ms 2796 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 3 ms 2796 KB Output is correct
36 Correct 3 ms 2796 KB Output is correct
37 Correct 3 ms 2796 KB Output is correct
38 Correct 3 ms 2796 KB Output is correct
39 Correct 2 ms 2796 KB Output is correct
40 Correct 3 ms 2796 KB Output is correct
41 Correct 3 ms 2796 KB Output is correct
42 Correct 2 ms 2796 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2668 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2668 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2668 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 3 ms 2668 KB Output is correct
58 Correct 2 ms 2668 KB Output is correct
59 Correct 2 ms 2668 KB Output is correct
60 Correct 2 ms 2668 KB Output is correct
61 Correct 2 ms 2668 KB Output is correct
62 Correct 2 ms 2668 KB Output is correct
63 Correct 2 ms 2668 KB Output is correct
64 Correct 2 ms 2668 KB Output is correct
65 Correct 2 ms 2668 KB Output is correct
66 Correct 2 ms 2668 KB Output is correct
67 Correct 2 ms 2668 KB Output is correct
68 Correct 2 ms 2668 KB Output is correct
69 Correct 2 ms 2668 KB Output is correct
70 Correct 2 ms 2668 KB Output is correct
71 Correct 2 ms 2668 KB Output is correct
72 Correct 3 ms 2668 KB Output is correct
73 Correct 3 ms 2668 KB Output is correct
74 Correct 2 ms 2668 KB Output is correct
75 Correct 2 ms 2668 KB Output is correct
76 Correct 2 ms 2668 KB Output is correct
77 Correct 2 ms 2668 KB Output is correct
78 Correct 2 ms 2668 KB Output is correct
79 Correct 2 ms 2668 KB Output is correct
80 Correct 2 ms 2668 KB Output is correct
81 Correct 2 ms 2668 KB Output is correct
82 Correct 3 ms 2668 KB Output is correct
83 Correct 2 ms 2796 KB Output is correct
84 Correct 2 ms 2796 KB Output is correct
85 Correct 2 ms 2796 KB Output is correct
86 Correct 2 ms 2796 KB Output is correct
87 Correct 2 ms 2796 KB Output is correct
88 Correct 2 ms 2796 KB Output is correct
89 Correct 2 ms 2796 KB Output is correct
90 Correct 3 ms 2796 KB Output is correct
91 Correct 3 ms 2796 KB Output is correct
92 Correct 2 ms 2668 KB Output is correct
93 Correct 3 ms 2796 KB Output is correct
94 Correct 2 ms 2796 KB Output is correct
95 Correct 3 ms 2796 KB Output is correct
96 Correct 2 ms 2668 KB Output is correct
97 Correct 3 ms 2668 KB Output is correct
98 Correct 2 ms 2668 KB Output is correct
99 Correct 2 ms 2668 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2668 KB Output is correct
2 Correct 2 ms 2668 KB Output is correct
3 Correct 2 ms 2668 KB Output is correct
4 Correct 2 ms 2668 KB Output is correct
5 Correct 2 ms 2668 KB Output is correct
6 Correct 2 ms 2668 KB Output is correct
7 Correct 2 ms 2796 KB Output is correct
8 Correct 2 ms 2668 KB Output is correct
9 Correct 2 ms 2668 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 2 ms 2668 KB Output is correct
12 Correct 2 ms 2668 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 2 ms 2668 KB Output is correct
15 Correct 3 ms 2668 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2668 KB Output is correct
18 Correct 2 ms 2668 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 2 ms 2668 KB Output is correct
21 Correct 2 ms 2668 KB Output is correct
22 Correct 2 ms 2668 KB Output is correct
23 Correct 2 ms 2668 KB Output is correct
24 Correct 2 ms 2668 KB Output is correct
25 Correct 2 ms 2668 KB Output is correct
26 Correct 2 ms 2668 KB Output is correct
27 Correct 2 ms 2796 KB Output is correct
28 Correct 2 ms 2796 KB Output is correct
29 Correct 2 ms 2796 KB Output is correct
30 Correct 2 ms 2796 KB Output is correct
31 Correct 2 ms 2796 KB Output is correct
32 Correct 2 ms 2796 KB Output is correct
33 Correct 2 ms 2796 KB Output is correct
34 Correct 2 ms 2668 KB Output is correct
35 Correct 3 ms 2796 KB Output is correct
36 Correct 3 ms 2796 KB Output is correct
37 Correct 3 ms 2796 KB Output is correct
38 Correct 3 ms 2796 KB Output is correct
39 Correct 2 ms 2796 KB Output is correct
40 Correct 3 ms 2796 KB Output is correct
41 Correct 3 ms 2796 KB Output is correct
42 Correct 2 ms 2796 KB Output is correct
43 Correct 2 ms 2668 KB Output is correct
44 Correct 2 ms 2668 KB Output is correct
45 Correct 2 ms 2668 KB Output is correct
46 Correct 2 ms 2668 KB Output is correct
47 Correct 2 ms 2668 KB Output is correct
48 Correct 2 ms 2668 KB Output is correct
49 Correct 2 ms 2688 KB Output is correct
50 Correct 2 ms 2668 KB Output is correct
51 Correct 2 ms 2668 KB Output is correct
52 Correct 2 ms 2668 KB Output is correct
53 Correct 2 ms 2796 KB Output is correct
54 Correct 2 ms 2668 KB Output is correct
55 Correct 2 ms 2668 KB Output is correct
56 Correct 2 ms 2668 KB Output is correct
57 Correct 2 ms 2668 KB Output is correct
58 Correct 3 ms 2668 KB Output is correct
59 Correct 2 ms 2668 KB Output is correct
60 Correct 2 ms 2796 KB Output is correct
61 Correct 2 ms 2668 KB Output is correct
62 Correct 2 ms 2668 KB Output is correct
63 Correct 2 ms 2668 KB Output is correct
64 Correct 2 ms 2668 KB Output is correct
65 Correct 2 ms 2668 KB Output is correct
66 Correct 3 ms 2668 KB Output is correct
67 Correct 2 ms 2668 KB Output is correct
68 Correct 27 ms 9452 KB Output is correct
69 Correct 53 ms 15980 KB Output is correct
70 Correct 2 ms 2668 KB Output is correct
71 Runtime error 72 ms 17604 KB Execution killed with signal 11
72 Halted 0 ms 0 KB -