oj.uz

Submission #362996

# Submission time Handle Problem Language Result Execution time Memory
362996 2021-02-05T02:17:19 Z vm152 Traffic (IOI10_traffic) C++17
50 / 100
 647 ms 250988 KB 
#include <bits/stdc++.h>
using namespace std ;

#define ios ios_base::sync_with_stdio(0); cin.tie(0) ; cout.tie(0)
#define eb emplace_back
#define mp make_pair
#define f first
#define s second
#define endl '\n'

typedef long long int ll ;

const int MAX = 1e6 ;
vector<int> tree[MAX + 1] ;
vector<int> cnt[MAX + 1] ;
ll sum = 0 ;

ll dfs(int node, int s, int p[]) {
	ll count = 0 ;
 	for (int i : tree[node]) {
 		if (i != s) {
		 	count = dfs(i, node, p) + p[i] ;
		 	cnt[node].eb(count) ;
 		}
 	}
 	ll sm = 0 ;
 	for (ll i : cnt[node]) sm += i ;
 	cnt[node].eb(sum - sm - p[node]) ;
 	return count ;
}

int LocateCentre(int n, int p[], int s[], int d[]) {
 	sum = 0 ;
 	for (int i = 0 ; i < n ; i++)
	 	sum += p[i] ; 
 	for (int i = 0; i < n - 1 ; i++) {
	 	tree[s[i]].eb(d[i]) ;
	 	tree[d[i]].eb(s[i]) ;
 	}
 	ll rand = dfs(0, 0, p) ;
 	int index = 0 ;
 	while (cnt[index].empty()) index++ ;
 	sort(cnt[index].begin(), cnt[index].end()) ;
 	reverse(cnt[index].begin(), cnt[index].end()) ;
 	for (int i = index + 1 ; i < n ; i++) { 
		 if (!cnt[i].empty()) {
		 	 sort(cnt[i].begin(), cnt[i].end()) ;
		 	 reverse(cnt[i].begin(), cnt[i].end()) ;
			 if (cnt[i][0] < cnt[index][0]) {
			 	 index = i ;
			 }
			 else if (cnt[i][0] == cnt[index][0]) {
			 	 int j = 1, k = 1 ;
			 	 while (j < int(cnt[i].size()) && k < int(cnt[index].size()) && cnt[i][j] == cnt[index][k]) j++, k++ ;
			 	 if (j >= int(cnt[i].size())) index = i ;
			 	 else if (k >= int(cnt[index].size())) continue ;
			 	 else if (cnt[i][j] < cnt[index][k]) index = i ;
			 }
	     }
 	}
 	return index ;
}

/*
int main(){
	 ios ;
	 int n ;
	 cin >> n ;
	 int p[n] ;
	 int s[n] ;
	 int d[n] ;
	 for (int i = 0 ; i < n ; i++)
	 	 cin >> p[i] ;
	 for (int i = 0 ; i < n - 1 ; i++)
	 	 cin >> s[i] ;
	 for (int i = 0 ; i < n - 1 ; i++)
	 	 cin >> d[i] ;
	 int ans = LocateCentre(n, p, s, d) ;
	 cout << ans << endl ;
}
*/

Compilation message

traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:40:6: warning: unused variable 'rand' [-Wunused-variable]
   40 |   ll rand = dfs(0, 0, p) ;
      |      ^~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47340 KB Output is correct
2 Correct 32 ms 47340 KB Output is correct
3 Correct 32 ms 47340 KB Output is correct
4 Correct 32 ms 47340 KB Output is correct
5 Correct 32 ms 47340 KB Output is correct
6 Correct 33 ms 47340 KB Output is correct
7 Correct 32 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 33 ms 47340 KB Output is correct
10 Correct 33 ms 47340 KB Output is correct
11 Correct 32 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 32 ms 47340 KB Output is correct
14 Correct 33 ms 47340 KB Output is correct
15 Correct 32 ms 47468 KB Output is correct
16 Correct 33 ms 47340 KB Output is correct
17 Correct 32 ms 47340 KB Output is correct
18 Correct 33 ms 47340 KB Output is correct
19 Correct 33 ms 47340 KB Output is correct
20 Correct 33 ms 47340 KB Output is correct
21 Correct 33 ms 47340 KB Output is correct
22 Correct 32 ms 47340 KB Output is correct
23 Correct 32 ms 47340 KB Output is correct
24 Correct 33 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 32 ms 47340 KB Output is correct
27 Correct 33 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 33 ms 47340 KB Output is correct
30 Correct 33 ms 47340 KB Output is correct
31 Correct 33 ms 47340 KB Output is correct
32 Correct 32 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47340 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 35 ms 47468 KB Output is correct
37 Correct 33 ms 47456 KB Output is correct
38 Correct 33 ms 47488 KB Output is correct
39 Correct 33 ms 47468 KB Output is correct
40 Correct 33 ms 47468 KB Output is correct
41 Correct 35 ms 47468 KB Output is correct
42 Correct 33 ms 47468 KB Output is correct
43 Correct 32 ms 47340 KB Output is correct
44 Correct 32 ms 47340 KB Output is correct
45 Correct 32 ms 47340 KB Output is correct
46 Correct 32 ms 47340 KB Output is correct
47 Correct 33 ms 47340 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47340 KB Output is correct
2 Correct 32 ms 47340 KB Output is correct
3 Correct 32 ms 47340 KB Output is correct
4 Correct 32 ms 47340 KB Output is correct
5 Correct 32 ms 47340 KB Output is correct
6 Correct 33 ms 47340 KB Output is correct
7 Correct 32 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 33 ms 47340 KB Output is correct
10 Correct 33 ms 47340 KB Output is correct
11 Correct 32 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 32 ms 47340 KB Output is correct
14 Correct 33 ms 47340 KB Output is correct
15 Correct 32 ms 47468 KB Output is correct
16 Correct 33 ms 47340 KB Output is correct
17 Correct 32 ms 47340 KB Output is correct
18 Correct 33 ms 47340 KB Output is correct
19 Correct 33 ms 47340 KB Output is correct
20 Correct 33 ms 47340 KB Output is correct
21 Correct 33 ms 47340 KB Output is correct
22 Correct 32 ms 47340 KB Output is correct
23 Correct 32 ms 47340 KB Output is correct
24 Correct 33 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 32 ms 47340 KB Output is correct
27 Correct 33 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 33 ms 47340 KB Output is correct
30 Correct 33 ms 47340 KB Output is correct
31 Correct 33 ms 47340 KB Output is correct
32 Correct 32 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47340 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 35 ms 47468 KB Output is correct
37 Correct 33 ms 47456 KB Output is correct
38 Correct 33 ms 47488 KB Output is correct
39 Correct 33 ms 47468 KB Output is correct
40 Correct 33 ms 47468 KB Output is correct
41 Correct 35 ms 47468 KB Output is correct
42 Correct 33 ms 47468 KB Output is correct
43 Correct 32 ms 47340 KB Output is correct
44 Correct 32 ms 47340 KB Output is correct
45 Correct 32 ms 47340 KB Output is correct
46 Correct 32 ms 47340 KB Output is correct
47 Correct 33 ms 47340 KB Output is correct
48 Correct 33 ms 47340 KB Output is correct
49 Correct 32 ms 47340 KB Output is correct
50 Correct 32 ms 47340 KB Output is correct
51 Correct 32 ms 47340 KB Output is correct
52 Correct 33 ms 47340 KB Output is correct
53 Correct 33 ms 47340 KB Output is correct
54 Correct 33 ms 47340 KB Output is correct
55 Correct 33 ms 47340 KB Output is correct
56 Correct 32 ms 47340 KB Output is correct
57 Correct 32 ms 47340 KB Output is correct
58 Correct 33 ms 47340 KB Output is correct
59 Correct 34 ms 47340 KB Output is correct
60 Correct 32 ms 47340 KB Output is correct
61 Correct 33 ms 47340 KB Output is correct
62 Correct 32 ms 47340 KB Output is correct
63 Correct 34 ms 47340 KB Output is correct
64 Correct 32 ms 47340 KB Output is correct
65 Correct 32 ms 47340 KB Output is correct
66 Correct 32 ms 47340 KB Output is correct
67 Correct 33 ms 47340 KB Output is correct
68 Correct 64 ms 57324 KB Output is correct
69 Correct 95 ms 67308 KB Output is correct
70 Correct 33 ms 47340 KB Output is correct
71 Correct 127 ms 77292 KB Output is correct
72 Correct 154 ms 87276 KB Output is correct
73 Correct 186 ms 97260 KB Output is correct
74 Correct 225 ms 107244 KB Output is correct
75 Correct 249 ms 117252 KB Output is correct
76 Correct 276 ms 127084 KB Output is correct
77 Correct 310 ms 137196 KB Output is correct
78 Correct 344 ms 147180 KB Output is correct
79 Correct 377 ms 157036 KB Output is correct
80 Correct 411 ms 167148 KB Output is correct
81 Correct 32 ms 47340 KB Output is correct
82 Correct 435 ms 177008 KB Output is correct
83 Correct 470 ms 186988 KB Output is correct
84 Correct 498 ms 197100 KB Output is correct
85 Correct 527 ms 206956 KB Output is correct
86 Correct 559 ms 217196 KB Output is correct
87 Correct 597 ms 226992 KB Output is correct
88 Correct 645 ms 250988 KB Output is correct
89 Correct 647 ms 248172 KB Output is correct
90 Correct 32 ms 47340 KB Output is correct
91 Correct 33 ms 47340 KB Output is correct
92 Correct 37 ms 47340 KB Output is correct
93 Correct 33 ms 47340 KB Output is correct
94 Correct 35 ms 47340 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47340 KB Output is correct
2 Correct 32 ms 47340 KB Output is correct
3 Correct 32 ms 47340 KB Output is correct
4 Correct 32 ms 47340 KB Output is correct
5 Correct 32 ms 47340 KB Output is correct
6 Correct 33 ms 47340 KB Output is correct
7 Correct 32 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 33 ms 47340 KB Output is correct
10 Correct 33 ms 47340 KB Output is correct
11 Correct 32 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 32 ms 47340 KB Output is correct
14 Correct 33 ms 47340 KB Output is correct
15 Correct 32 ms 47468 KB Output is correct
16 Correct 33 ms 47340 KB Output is correct
17 Correct 32 ms 47340 KB Output is correct
18 Correct 33 ms 47340 KB Output is correct
19 Correct 33 ms 47340 KB Output is correct
20 Correct 33 ms 47340 KB Output is correct
21 Correct 33 ms 47340 KB Output is correct
22 Correct 32 ms 47340 KB Output is correct
23 Correct 32 ms 47340 KB Output is correct
24 Correct 33 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 32 ms 47340 KB Output is correct
27 Correct 33 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 33 ms 47340 KB Output is correct
30 Correct 33 ms 47340 KB Output is correct
31 Correct 33 ms 47340 KB Output is correct
32 Correct 32 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47340 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 35 ms 47468 KB Output is correct
37 Correct 33 ms 47456 KB Output is correct
38 Correct 33 ms 47488 KB Output is correct
39 Correct 33 ms 47468 KB Output is correct
40 Correct 33 ms 47468 KB Output is correct
41 Correct 35 ms 47468 KB Output is correct
42 Correct 33 ms 47468 KB Output is correct
43 Correct 32 ms 47340 KB Output is correct
44 Correct 32 ms 47340 KB Output is correct
45 Correct 32 ms 47340 KB Output is correct
46 Correct 32 ms 47340 KB Output is correct
47 Correct 33 ms 47340 KB Output is correct
48 Incorrect 32 ms 47340 KB Output isn't correct
49 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47340 KB Output is correct
2 Correct 32 ms 47340 KB Output is correct
3 Correct 32 ms 47340 KB Output is correct
4 Correct 32 ms 47340 KB Output is correct
5 Correct 32 ms 47340 KB Output is correct
6 Correct 33 ms 47340 KB Output is correct
7 Correct 32 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 33 ms 47340 KB Output is correct
10 Correct 33 ms 47340 KB Output is correct
11 Correct 32 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 32 ms 47340 KB Output is correct
14 Correct 33 ms 47340 KB Output is correct
15 Correct 32 ms 47468 KB Output is correct
16 Correct 33 ms 47340 KB Output is correct
17 Correct 32 ms 47340 KB Output is correct
18 Correct 33 ms 47340 KB Output is correct
19 Correct 33 ms 47340 KB Output is correct
20 Correct 33 ms 47340 KB Output is correct
21 Correct 33 ms 47340 KB Output is correct
22 Correct 32 ms 47340 KB Output is correct
23 Correct 32 ms 47340 KB Output is correct
24 Correct 33 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 32 ms 47340 KB Output is correct
27 Correct 33 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 33 ms 47340 KB Output is correct
30 Correct 33 ms 47340 KB Output is correct
31 Correct 33 ms 47340 KB Output is correct
32 Correct 32 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47340 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 35 ms 47468 KB Output is correct
37 Correct 33 ms 47456 KB Output is correct
38 Correct 33 ms 47488 KB Output is correct
39 Correct 33 ms 47468 KB Output is correct
40 Correct 33 ms 47468 KB Output is correct
41 Correct 35 ms 47468 KB Output is correct
42 Correct 33 ms 47468 KB Output is correct
43 Correct 32 ms 47340 KB Output is correct
44 Correct 32 ms 47340 KB Output is correct
45 Correct 32 ms 47340 KB Output is correct
46 Correct 32 ms 47340 KB Output is correct
47 Correct 33 ms 47340 KB Output is correct
48 Correct 33 ms 47340 KB Output is correct
49 Correct 32 ms 47340 KB Output is correct
50 Correct 32 ms 47340 KB Output is correct
51 Correct 32 ms 47340 KB Output is correct
52 Correct 33 ms 47340 KB Output is correct
53 Correct 33 ms 47340 KB Output is correct
54 Correct 33 ms 47340 KB Output is correct
55 Correct 33 ms 47340 KB Output is correct
56 Correct 32 ms 47340 KB Output is correct
57 Correct 32 ms 47340 KB Output is correct
58 Correct 33 ms 47340 KB Output is correct
59 Correct 34 ms 47340 KB Output is correct
60 Correct 32 ms 47340 KB Output is correct
61 Correct 33 ms 47340 KB Output is correct
62 Correct 32 ms 47340 KB Output is correct
63 Correct 34 ms 47340 KB Output is correct
64 Correct 32 ms 47340 KB Output is correct
65 Correct 32 ms 47340 KB Output is correct
66 Correct 32 ms 47340 KB Output is correct
67 Correct 33 ms 47340 KB Output is correct
68 Correct 64 ms 57324 KB Output is correct
69 Correct 95 ms 67308 KB Output is correct
70 Correct 33 ms 47340 KB Output is correct
71 Correct 127 ms 77292 KB Output is correct
72 Correct 154 ms 87276 KB Output is correct
73 Correct 186 ms 97260 KB Output is correct
74 Correct 225 ms 107244 KB Output is correct
75 Correct 249 ms 117252 KB Output is correct
76 Correct 276 ms 127084 KB Output is correct
77 Correct 310 ms 137196 KB Output is correct
78 Correct 344 ms 147180 KB Output is correct
79 Correct 377 ms 157036 KB Output is correct
80 Correct 411 ms 167148 KB Output is correct
81 Correct 32 ms 47340 KB Output is correct
82 Correct 435 ms 177008 KB Output is correct
83 Correct 470 ms 186988 KB Output is correct
84 Correct 498 ms 197100 KB Output is correct
85 Correct 527 ms 206956 KB Output is correct
86 Correct 559 ms 217196 KB Output is correct
87 Correct 597 ms 226992 KB Output is correct
88 Correct 645 ms 250988 KB Output is correct
89 Correct 647 ms 248172 KB Output is correct
90 Correct 32 ms 47340 KB Output is correct
91 Correct 33 ms 47340 KB Output is correct
92 Correct 37 ms 47340 KB Output is correct
93 Correct 33 ms 47340 KB Output is correct
94 Correct 35 ms 47340 KB Output is correct
95 Incorrect 32 ms 47340 KB Output isn't correct
96 Halted 0 ms 0 KB -