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NOI 2019

Distance Code

  • Start: 2019-03-06 11:00:00
  • End: 2019-03-06 16:00:00
CSES - NOI 2019 - Results
Submission details
Task:Distance Code
Sender:Filip Björnåsen
Submission time:2019-03-06 12:52:23 +0200
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED47
#3ACCEPTED32
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2, 3details
#2ACCEPTED0.03 s1, 2, 3details
#3ACCEPTED0.03 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.02 s1, 2, 3details
#6ACCEPTED0.03 s1, 2, 3details
#7ACCEPTED0.03 s1, 2, 3details
#8ACCEPTED0.02 s1, 2, 3details
#9ACCEPTED0.02 s1, 2, 3details
#10ACCEPTED0.02 s1, 2, 3details
#11ACCEPTED0.02 s1, 2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.02 s2, 3details
#14ACCEPTED0.02 s2, 3details
#15ACCEPTED0.04 s2, 3details
#16ACCEPTED0.13 s3details
#17ACCEPTED0.14 s3details
#18ACCEPTED0.14 s3details
#19ACCEPTED0.12 s3details
#20ACCEPTED0.02 s1, 2, 3details

Compiler report

input/code.cpp:5:0: warning: ignoring #pragma region Libraries [-Wunknown-pragmas]
 #pragma region Libraries
 
input/code.cpp:21:0: warning: ignoring #pragma endregion  [-Wunknown-pragmas]
 #pragma endregion

Code


using namespace std;

#pragma region Libraries

#include <vector>
#include <string>
#include <iostream>
#include <algorithm>
#include <math.h>
#include <stack>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <map>
#include <set>
#include <cstring>
#include <iomanip>

#pragma endregion

#define MP make_pair
#define all(v) v.begin(), v.end()
#define trav(it,v) for (auto it = v.begin(); it != v.end(); it++)
#define rep(index, from, to) for (int index = from; index < to; index++)
#define ll long long
#define pi pair<int,int>

vector<int> v[(int)1e5 + 5];
vector<int> di;

void encode(int u, int e) {
	trav(it, v[u]) {
		if (*it == e) {
			continue;
		}
		encode(*it, u);
	}
	cout << u + 1 << " ";
}

int cur = 0;
int ne = 1;
int n;
void decode(int u) {
	if (cur == n - 1) return;
	while (di[cur] == 1) {
		cur++;
		cout << u + 1 << " " << ne + 1 << endl;
		if (cur == n - 1) return;
		ne++;
		decode(ne - 1);
		if (cur == n - 1) return;
	}
	if (cur == n - 1) return;
	di[cur]--;
}

int32_t main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	int t;
	cin >> t >> n;
	if (t == 1) {
		for (int i = 0; i < n - 1; i++)
		{
			int f, to;
			cin >> f >> to;
			f--, to--;
			v[f].push_back(to);
			v[to].push_back(f);
		}
		encode(0, -1);
	}
	else {
		di.resize(n - 1);
		for (int i = 0; i < n - 1; i++)
		{
			cin >> di[i];
		}
		reverse(all(di));
		decode(0);
	}



#ifdef _DEBUG
	system("pause");
#endif // _DEBUG
	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
2
2 1
view save

correct output
(empty)

user output
1 2
view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
3
3 1
2 1
view save

correct output
(empty)

user output
1 2
1 3
view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
4
3 2
2 1
4 1
view save

correct output
(empty)

user output
1 2
1 3
3 4
view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
4
2 3
3 4
1 3
view save

correct output
(empty)

user output
1 2
2 3
2 4
view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
5
3 5
4 1
1 3
...
view save

correct output
(empty)

user output
1 2
2 3
1 4
4 5
view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
5
3 2
3 4
5 1
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
1 5
view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
5
4 3
1 4
4 2
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
2 5
view save

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
10
9 3
8 9
2 9
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
2 5
2 6
...
view save

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
10
9 2
5 8
7 1
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
1 5
5 6
...
view save

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
10
10 4
9 1
4 7
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
view save

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
10
2 6
4 3
3 5
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
4 5
1 6
...
view save

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
1
500
10 6
6 255
6 428
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
2 5
2 6
...
Truncated

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
1
500
152 466
451 313
158 479
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
1
500
109 440
330 190
443 161
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 15

Group: 2, 3

Verdict: ACCEPTED

input
1
500
144 373
257 233
341 318
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
1
100000
54983 75172
93807 75172
44082 75172
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
2 5
2 6
...
Truncated

Test 17

Group: 3

Verdict: ACCEPTED

input
1
100000
88863 19059
86423 76688
98536 95984
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 18

Group: 3

Verdict: ACCEPTED

input
1
100000
59979 6389
19097 24999
27846 82330
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 19

Group: 3

Verdict: ACCEPTED

input
1
100000
58761 66001
25102 51081
98625 67861
...
view save

correct output
(empty)

user output
1 2
2 3
3 4
4 5
5 6
...
Truncated

Test 20

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
6
2 1
3 2
4 2
...
view save

correct output
(empty)

user output
1 2
2 3
2 4
4 5
4 6
view save

Tasks

A Distance Code-B Thieves and Prisons-C Graph Ordering-

Submissions (Filip Björnåsen)

2019-03-06 12:52:23 100