| Task: | Tietoverkko |
| Sender: | Uolevi |
| Submission time: | 2018-01-18 16:27:39 +0200 |
| Language: | Python3 |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | WRONG ANSWER | 0 |
| #2 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | WRONG ANSWER | 0.07 s | 1 | details |
| #2 | WRONG ANSWER | 0.07 s | 1 | details |
| #3 | WRONG ANSWER | 0.07 s | 1 | details |
| #4 | WRONG ANSWER | 0.06 s | 1 | details |
| #5 | ACCEPTED | 0.06 s | 1 | details |
| #6 | WRONG ANSWER | 0.61 s | 2 | details |
| #7 | WRONG ANSWER | 0.68 s | 2 | details |
| #8 | WRONG ANSWER | 0.68 s | 2 | details |
| #9 | WRONG ANSWER | 0.60 s | 2 | details |
| #10 | ACCEPTED | 0.58 s | 2 | details |
Code
n = int(input())
m = {}
c=0
for i in range(1,1+n):
m[i] = []
for i in range(n):
a,b = input().split()
a = int(a)
b = int(b)
m[a].append(b)
m[b].append(a)
#print(m)
for i in range(1,1+len(m)):
counter = 0
for j in range(len(m[i])):
# print(m[i],j)
if len(m[m[i][j-counter]]) == 1:
c+=1
del m[i][j-counter]
counter+=1
print(c)
Test details
Test 1
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 16 88 6 77 60 92 98 64 ... |
| correct output |
|---|
| 97 |
| user output |
|---|
| 75 |
Test 2
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 97 41 95 93 79 60 5 4 ... |
| correct output |
|---|
| 95 |
| user output |
|---|
| 78 |
Test 3
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 87 24 21 49 86 85 42 32 ... |
| correct output |
|---|
| 90 |
| user output |
|---|
| 76 |
Test 4
Group: 1
Verdict: WRONG ANSWER
| input |
|---|
| 100 30 24 54 79 51 6 80 29 ... |
| correct output |
|---|
| 50 |
| user output |
|---|
| 45 |
Test 5
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 100 11 27 54 59 100 90 2 95 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |
Test 6
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 98276 76171 70684 49183 48756 661 17166 16972 ... |
| correct output |
|---|
| 99997 |
| user output |
|---|
| 78152 |
Test 7
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 35903 47275 13566 84 58018 42495 57071 4451 ... |
| correct output |
|---|
| 99995 |
| user output |
|---|
| 78253 |
Test 8
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 79209 94485 60266 86793 27501 19927 13544 59730 ... |
| correct output |
|---|
| 99000 |
| user output |
|---|
| 78304 |
Test 9
Group: 2
Verdict: WRONG ANSWER
| input |
|---|
| 100000 68402 82703 12892 46068 60013 40753 26168 34434 ... |
| correct output |
|---|
| 90000 |
| user output |
|---|
| 76613 |
Test 10
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 37330 74855 54324 45726 61652 15611 79081 47339 ... |
| correct output |
|---|
| 0 |
| user output |
|---|
| 0 |