oj.uz

Submission #362965

# Submission time Handle Problem Language Result Execution time Memory
362965 2021-02-05T01:47:07 Z vm152 Traffic (IOI10_traffic) C++17
25 / 100
 1168 ms 262148 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'

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

bool compare(vector<int>& a, vector<int>& b) {
	if (a[1] < b[1]) return 1 ;
	if (a[1] == b[1]) {
		int i = 2, j = 2 ;
		while (i < a.size() && j < b.size() && a[i] == b[i])
			i++ , j++ ;
		if (i >= a.size()) return 1 ;
		if (j >= b.size()) return 0 ;
		if (a[i] > b[i]) return 0 ;
		return 1 ;
	}
	return 0 ;
}

int dfs(int node, int s, int p[]) {
	int count = 0 ;
 	for (int i : tree[node]) {
 		if (i != s) {
		 	count = dfs(i, node, p) + p[i] ;
		 	cnt[node].eb(count) ;
 		}
 	}
 	long long sm = 0 ;
 	for (int 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]) ;
 	}
 	dfs(0, 0, p) ;
 	vector<vector<int>> ans ;
 	for (int i = 0 ; i < n ; i++) { 
		 if (!cnt[i].empty()) {
		 	 sort(cnt[i].begin(), cnt[i].end()) ;
		 	 reverse(cnt[i].begin(), cnt[i].end()) ;
			 vector<int> temp ;
			 temp.eb(i) ;
			 for (int j : cnt[i]) temp.eb(j) ;
			 ans.eb(temp) ;
	     }
 	}
 	sort(ans.begin(), ans.end(), compare) ;
 	return ans[0][0] ;
}

/*
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 'bool compare(std::vector<int>&, std::vector<int>&)':
traffic.cpp:20:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   while (i < a.size() && j < b.size() && a[i] == b[i])
      |          ~~^~~~~~~~~~
traffic.cpp:20:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   while (i < a.size() && j < b.size() && a[i] == b[i])
      |                          ~~^~~~~~~~~~
traffic.cpp:22:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   if (i >= a.size()) return 1 ;
      |       ~~^~~~~~~~~~~
traffic.cpp:23:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   if (j >= b.size()) return 0 ;
      |       ~~^~~~~~~~~~~

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 31 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 31 ms 47360 KB Output is correct
7 Correct 31 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47340 KB Output is correct
11 Correct 31 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 31 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 33 ms 47340 KB Output is correct
16 Correct 31 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 32 ms 47340 KB Output is correct
19 Correct 32 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 32 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 34 ms 47468 KB Output is correct
27 Correct 32 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 32 ms 47468 KB Output is correct
30 Correct 32 ms 47596 KB Output is correct
31 Correct 32 ms 47468 KB Output is correct
32 Correct 33 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47352 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 33 ms 47468 KB Output is correct
37 Correct 32 ms 47468 KB Output is correct
38 Correct 32 ms 47468 KB Output is correct
39 Correct 32 ms 47468 KB Output is correct
40 Correct 33 ms 47596 KB Output is correct
41 Correct 34 ms 47596 KB Output is correct
42 Correct 33 ms 47596 KB Output is correct
43 Correct 33 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 31 ms 47340 KB Output is correct
47 Correct 31 ms 47340 KB Output is correct

Subtask #2
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 31 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 31 ms 47360 KB Output is correct
7 Correct 31 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47340 KB Output is correct
11 Correct 31 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 31 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 33 ms 47340 KB Output is correct
16 Correct 31 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 32 ms 47340 KB Output is correct
19 Correct 32 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 32 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 34 ms 47468 KB Output is correct
27 Correct 32 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 32 ms 47468 KB Output is correct
30 Correct 32 ms 47596 KB Output is correct
31 Correct 32 ms 47468 KB Output is correct
32 Correct 33 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47352 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 33 ms 47468 KB Output is correct
37 Correct 32 ms 47468 KB Output is correct
38 Correct 32 ms 47468 KB Output is correct
39 Correct 32 ms 47468 KB Output is correct
40 Correct 33 ms 47596 KB Output is correct
41 Correct 34 ms 47596 KB Output is correct
42 Correct 33 ms 47596 KB Output is correct
43 Correct 33 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 31 ms 47340 KB Output is correct
47 Correct 31 ms 47340 KB Output is correct
48 Correct 31 ms 47340 KB Output is correct
49 Correct 31 ms 47340 KB Output is correct
50 Correct 33 ms 47468 KB Output is correct
51 Correct 32 ms 47340 KB Output is correct
52 Correct 32 ms 47340 KB Output is correct
53 Correct 32 ms 47340 KB Output is correct
54 Correct 31 ms 47340 KB Output is correct
55 Correct 31 ms 47340 KB Output is correct
56 Correct 31 ms 47340 KB Output is correct
57 Correct 33 ms 47340 KB Output is correct
58 Correct 31 ms 47340 KB Output is correct
59 Correct 32 ms 47340 KB Output is correct
60 Correct 33 ms 47340 KB Output is correct
61 Correct 31 ms 47340 KB Output is correct
62 Correct 31 ms 47340 KB Output is correct
63 Correct 31 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 31 ms 47340 KB Output is correct
67 Correct 32 ms 47468 KB Output is correct
68 Correct 83 ms 60064 KB Output is correct
69 Correct 137 ms 72988 KB Output is correct
70 Correct 35 ms 47340 KB Output is correct
71 Correct 193 ms 87708 KB Output is correct
72 Correct 251 ms 98584 KB Output is correct
73 Correct 353 ms 111512 KB Output is correct
74 Correct 366 ms 128400 KB Output is correct
75 Correct 448 ms 138536 KB Output is correct
76 Correct 481 ms 149900 KB Output is correct
77 Correct 546 ms 162832 KB Output is correct
78 Correct 606 ms 175600 KB Output is correct
79 Correct 662 ms 199440 KB Output is correct
80 Correct 729 ms 209544 KB Output is correct
81 Correct 33 ms 47340 KB Output is correct
82 Correct 764 ms 219672 KB Output is correct
83 Correct 838 ms 229620 KB Output is correct
84 Correct 901 ms 239800 KB Output is correct
85 Correct 944 ms 251524 KB Output is correct
86 Correct 1044 ms 262144 KB Output is correct
87 Correct 1168 ms 262144 KB Output is correct
88 Runtime error 723 ms 262148 KB Execution killed with signal 9
89 Halted 0 ms 0 KB -

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 31 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 31 ms 47360 KB Output is correct
7 Correct 31 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47340 KB Output is correct
11 Correct 31 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 31 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 33 ms 47340 KB Output is correct
16 Correct 31 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 32 ms 47340 KB Output is correct
19 Correct 32 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 32 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 34 ms 47468 KB Output is correct
27 Correct 32 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 32 ms 47468 KB Output is correct
30 Correct 32 ms 47596 KB Output is correct
31 Correct 32 ms 47468 KB Output is correct
32 Correct 33 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47352 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 33 ms 47468 KB Output is correct
37 Correct 32 ms 47468 KB Output is correct
38 Correct 32 ms 47468 KB Output is correct
39 Correct 32 ms 47468 KB Output is correct
40 Correct 33 ms 47596 KB Output is correct
41 Correct 34 ms 47596 KB Output is correct
42 Correct 33 ms 47596 KB Output is correct
43 Correct 33 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 31 ms 47340 KB Output is correct
47 Correct 31 ms 47340 KB Output is correct
48 Incorrect 34 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 31 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 31 ms 47360 KB Output is correct
7 Correct 31 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 31 ms 47340 KB Output is correct
10 Correct 31 ms 47340 KB Output is correct
11 Correct 31 ms 47340 KB Output is correct
12 Correct 32 ms 47340 KB Output is correct
13 Correct 31 ms 47340 KB Output is correct
14 Correct 31 ms 47340 KB Output is correct
15 Correct 33 ms 47340 KB Output is correct
16 Correct 31 ms 47340 KB Output is correct
17 Correct 31 ms 47340 KB Output is correct
18 Correct 32 ms 47340 KB Output is correct
19 Correct 32 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 32 ms 47340 KB Output is correct
25 Correct 32 ms 47340 KB Output is correct
26 Correct 34 ms 47468 KB Output is correct
27 Correct 32 ms 47340 KB Output is correct
28 Correct 33 ms 47340 KB Output is correct
29 Correct 32 ms 47468 KB Output is correct
30 Correct 32 ms 47596 KB Output is correct
31 Correct 32 ms 47468 KB Output is correct
32 Correct 33 ms 47468 KB Output is correct
33 Correct 32 ms 47468 KB Output is correct
34 Correct 32 ms 47352 KB Output is correct
35 Correct 33 ms 47468 KB Output is correct
36 Correct 33 ms 47468 KB Output is correct
37 Correct 32 ms 47468 KB Output is correct
38 Correct 32 ms 47468 KB Output is correct
39 Correct 32 ms 47468 KB Output is correct
40 Correct 33 ms 47596 KB Output is correct
41 Correct 34 ms 47596 KB Output is correct
42 Correct 33 ms 47596 KB Output is correct
43 Correct 33 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 31 ms 47340 KB Output is correct
47 Correct 31 ms 47340 KB Output is correct
48 Correct 31 ms 47340 KB Output is correct
49 Correct 31 ms 47340 KB Output is correct
50 Correct 33 ms 47468 KB Output is correct
51 Correct 32 ms 47340 KB Output is correct
52 Correct 32 ms 47340 KB Output is correct
53 Correct 32 ms 47340 KB Output is correct
54 Correct 31 ms 47340 KB Output is correct
55 Correct 31 ms 47340 KB Output is correct
56 Correct 31 ms 47340 KB Output is correct
57 Correct 33 ms 47340 KB Output is correct
58 Correct 31 ms 47340 KB Output is correct
59 Correct 32 ms 47340 KB Output is correct
60 Correct 33 ms 47340 KB Output is correct
61 Correct 31 ms 47340 KB Output is correct
62 Correct 31 ms 47340 KB Output is correct
63 Correct 31 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 31 ms 47340 KB Output is correct
67 Correct 32 ms 47468 KB Output is correct
68 Correct 83 ms 60064 KB Output is correct
69 Correct 137 ms 72988 KB Output is correct
70 Correct 35 ms 47340 KB Output is correct
71 Correct 193 ms 87708 KB Output is correct
72 Correct 251 ms 98584 KB Output is correct
73 Correct 353 ms 111512 KB Output is correct
74 Correct 366 ms 128400 KB Output is correct
75 Correct 448 ms 138536 KB Output is correct
76 Correct 481 ms 149900 KB Output is correct
77 Correct 546 ms 162832 KB Output is correct
78 Correct 606 ms 175600 KB Output is correct
79 Correct 662 ms 199440 KB Output is correct
80 Correct 729 ms 209544 KB Output is correct
81 Correct 33 ms 47340 KB Output is correct
82 Correct 764 ms 219672 KB Output is correct
83 Correct 838 ms 229620 KB Output is correct
84 Correct 901 ms 239800 KB Output is correct
85 Correct 944 ms 251524 KB Output is correct
86 Correct 1044 ms 262144 KB Output is correct
87 Correct 1168 ms 262144 KB Output is correct
88 Runtime error 723 ms 262148 KB Execution killed with signal 9
89 Halted 0 ms 0 KB -