CSES - Datatähti 2018 loppu - Results
 Task: Tanssiaiset Sender: inv41idu53rn4m3 Submission time: 2018-01-18 12:57:57 +0200 Language: C++ Status: READY Result: 100
Feedback
groupverdictscore
#1ACCEPTED35
#2ACCEPTED65
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.07 s2details
#7ACCEPTED0.07 s2details
#8ACCEPTED0.08 s2details
#9ACCEPTED0.06 s2details
#10ACCEPTED0.08 s2details

### Code

```#include <iostream>
#include <map>

using namespace std;

int main() {
int n;
cin >> n;
int* m = new int[n + 2];
pair<int, int>* d = new pair<int, int>[n / 2 + 2];
int c[4] = {0};
int cc = 0;
for (int i = 1; i <= n / 2 + 1; i++) {
int a, b;
cin >> a >> b;
d[i] = make_pair(a, b);
if (m[a]) {
c[cc++] = m[a];
c[cc++] = i;
}
if (m[b]) {
c[cc++] = m[b];
c[cc++] = i;
}
if (cc == 4) break;
m[a] = i; m[b] = i;
}
for (int i = 0; i < 3; i++) {
for (int j = i + 1; j < 4; j++) {
if (c[i] == c[j]) {
cout << d[c[i]].first << " " << d[c[i]].second << endl;
return 0;
}
}
}
}
```

### Test details

#### Test 1

Group: 1

Verdict: ACCEPTED

input
100
79 22
53 70
7 23
91 26
...

correct output
75 45

user output
75 45

#### 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: ACCEPTED

input
100
74 68
86 10
83 56
31 87
...

correct output
67 2

user output
67 2

#### 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: ACCEPTED

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

correct output
60551 58365

user output
60551 58365

#### 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: ACCEPTED

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

correct output
50397 41760

user output
50397 41760

#### Test 9

Group: 2

Verdict: ACCEPTED

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

correct output
56735 39394

user output
56735 39394

#### Test 10

Group: 2

Verdict: ACCEPTED

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

correct output
69366 23793

user output
69366 23793