CSES - Datatähti 2018 loppu - Results
Submission details
Task:Tanssiaiset
Sender:mika
Submission time:2018-01-18 12:31:51 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.04 s1details
#2ACCEPTED0.05 s1details
#30.04 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.04 s1details
#60.11 s2details
#7ACCEPTED0.11 s2details
#80.11 s2details
#90.10 s2details
#100.11 s2details

Code

#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
#include <unordered_set>

using namespace std;

int main() {
	
	int n;
	cin >> n;

	unordered_multiset<int> ss;

	for (int i = 0; i < (n/2) + 1; i++) {
		int a;
		int b;
		cin >> a;
		cin >> b;
		
		ss.insert(a);
		ss.insert(b);
	}


	int a = -1;
	int b = -1;

	for (int i = 1; i <= n; i++) {
		if (ss.count(i) >= 2) {
			if (a == -1) a = i;
			else if (b == -1) b = i;
		}
	}

	cout << a << " " << b << endl;
	return 0;
}

Test details

Test 1

Group: 1

Verdict:

input
100
79 22
53 70
7 23
91 26
...

correct output
75 45

user output
45 75

Test 2

Group: 1

Verdict: ACCEPTED

input
100
71 84
54 25
91 34
98 30
...

correct output
27 49

user output
27 49

Test 3

Group: 1

Verdict:

input
100
74 68
86 10
83 56
31 87
...

correct output
67 2

user output
2 67

Test 4

Group: 1

Verdict: ACCEPTED

input
100
85 43
95 8
53 1
29 86
...

correct output
54 60

user output
54 60

Test 5

Group: 1

Verdict: ACCEPTED

input
100
71 69
74 45
8 95
12 32
...

correct output
5 7

user output
5 7

Test 6

Group: 2

Verdict:

input
100000
95086 86958
87818 74731
27185 49356
54360 7043
...

correct output
60551 58365

user output
58365 60551

Test 7

Group: 2

Verdict: ACCEPTED

input
100000
14011 98742
82421 87350
55194 56454
90097 92904
...

correct output
50997 58566

user output
50997 58566

Test 8

Group: 2

Verdict:

input
100000
72139 85248
98125 85461
39422 60426
45770 13451
...

correct output
50397 41760

user output
41760 50397

Test 9

Group: 2

Verdict:

input
100000
32124 96365
8819 68067
90795 31927
45745 64571
...

correct output
56735 39394

user output
39394 56735

Test 10

Group: 2

Verdict:

input
100000
70709 61209
69548 3671
2215 57335
2539 71294
...

correct output
69366 23793

user output
23793 69366