Task: | Building Teams |
Sender: | esya_rae |
Submission time: | 2024-09-09 16:37:24 +0300 |
Language: | Python3 (CPython3) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.02 s | details |
#2 | ACCEPTED | 0.02 s | details |
#3 | ACCEPTED | 0.02 s | details |
#4 | ACCEPTED | 0.02 s | details |
#5 | ACCEPTED | 0.02 s | details |
#6 | ACCEPTED | 0.94 s | details |
#7 | ACCEPTED | 0.93 s | details |
#8 | ACCEPTED | 0.93 s | details |
#9 | ACCEPTED | 0.93 s | details |
#10 | ACCEPTED | 0.69 s | details |
#11 | ACCEPTED | 0.02 s | details |
#12 | ACCEPTED | 0.02 s | details |
Code
from collections import deque n, m = map(int, input().split()) color = [-1] * n g = [[] for i in range(n)] for i in range(m): a, b = map(int, input().split()) g[a - 1].append(b - 1) g[b - 1].append(a - 1) def bfs(v): global g queue = deque([v]) while queue: node = queue.popleft() for w in g[node]: if color[w] == color[node]: return False elif color[w] == -1: color[w] = 1 - color[node] queue.append(w) return True flag = True for v in range(n): if color[v] == -1: color[v] = 1 if not bfs(v): flag = False print("IMPOSSIBLE") break if flag: for v in range(n): print(color[v] + 1, end=" ") print()
Test details
Test 1
Verdict: ACCEPTED
input |
---|
10 20 3 4 8 10 3 7 1 8 ... |
correct output |
---|
1 1 1 2 2 1 2 2 2 1 |
user output |
---|
2 2 2 1 1 2 1 1 1 2 |
Test 2
Verdict: ACCEPTED
input |
---|
10 20 1 3 8 10 2 4 6 8 ... |
correct output |
---|
1 1 2 2 1 1 1 2 1 1 |
user output |
---|
2 2 1 1 2 2 2 1 2 2 |
Test 3
Verdict: ACCEPTED
input |
---|
10 20 7 10 3 10 9 10 2 10 ... |
correct output |
---|
1 2 2 1 1 1 2 1 2 1 |
user output |
---|
2 1 1 2 2 2 1 2 1 2 |
Test 4
Verdict: ACCEPTED
input |
---|
10 20 2 4 2 10 7 10 4 6 ... |
correct output |
---|
1 2 1 1 2 2 2 1 2 1 |
user output |
---|
2 1 2 2 1 1 1 2 1 2 |
Test 5
Verdict: ACCEPTED
input |
---|
10 20 3 5 8 10 9 10 1 8 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |
Test 6
Verdict: ACCEPTED
input |
---|
100000 200000 47355 96505 90709 92058 735 80715 91802 94265 ... |
correct output |
---|
1 2 2 1 2 1 1 1 2 2 1 2 1 1 1 ... |
user output |
---|
2 1 1 2 1 2 2 2 1 1 2 1 2 2 2 ... Truncated |
Test 7
Verdict: ACCEPTED
input |
---|
100000 200000 59991 95794 95150 96051 78453 94730 90411 95523 ... |
correct output |
---|
1 1 1 2 2 1 1 2 1 2 1 2 2 2 1 ... |
user output |
---|
2 2 2 1 1 2 2 1 2 1 2 1 1 1 2 ... Truncated |
Test 8
Verdict: ACCEPTED
input |
---|
100000 200000 89827 96402 65137 86792 80965 94708 19479 48078 ... |
correct output |
---|
1 2 1 1 2 1 2 2 2 1 2 1 1 2 1 ... |
user output |
---|
2 1 2 2 1 2 1 1 1 2 1 2 2 1 2 ... Truncated |
Test 9
Verdict: ACCEPTED
input |
---|
100000 200000 72952 83723 66197 70052 2949 52160 55753 95651 ... |
correct output |
---|
1 1 2 2 2 1 1 2 2 2 2 2 1 2 1 ... |
user output |
---|
2 2 1 1 1 2 2 1 1 1 1 1 2 1 2 ... Truncated |
Test 10
Verdict: ACCEPTED
input |
---|
100000 200000 38942 96755 70049 82663 7746 72732 87819 99029 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |
Test 11
Verdict: ACCEPTED
input |
---|
5 4 1 2 3 4 4 5 5 3 |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |
Test 12
Verdict: ACCEPTED
input |
---|
4 5 1 2 1 4 2 3 2 4 ... |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |