Task: | Tunnels |
Sender: | cuber2460 |
Submission time: | 2017-01-21 18:29:47 +0200 |
Language: | C++ |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
#2 | WRONG ANSWER | 0 |
#3 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.04 s | 1 | details |
#2 | WRONG ANSWER | 0.04 s | 1 | details |
#3 | WRONG ANSWER | 0.05 s | 1 | details |
#4 | WRONG ANSWER | 0.04 s | 1 | details |
#5 | WRONG ANSWER | 0.03 s | 1 | details |
#6 | WRONG ANSWER | 0.03 s | 2 | details |
#7 | WRONG ANSWER | 0.05 s | 2 | details |
#8 | WRONG ANSWER | 0.04 s | 2 | details |
#9 | WRONG ANSWER | 0.03 s | 2 | details |
#10 | WRONG ANSWER | 0.04 s | 2 | details |
#11 | WRONG ANSWER | 0.15 s | 3 | details |
#12 | WRONG ANSWER | 0.11 s | 3 | details |
#13 | WRONG ANSWER | 0.09 s | 3 | details |
#14 | WRONG ANSWER | 0.07 s | 3 | details |
#15 | WRONG ANSWER | 0.06 s | 3 | details |
Code
#include <iostream> #include <set> #include <algorithm> using namespace std; const int N = 100000; vector <int> G[N + 7]; int odw[N + 7]; int d[N + 7]; int n, m; int wynik = 0; int nwyn; void dfs(int v) { odw[v] = 1; nwyn += max(d[v], 0); for(auto u : G[v]) { if(!odw[u]) { dfs(u); } } } int main() { ios_base::sync_with_stdio(0); cin >> n >> m; for(int i = 0; i < m; ++i) { int a, b; cin >> a >> b; d[a]++; d[b]--; G[a].push_back(b); G[b].push_back(a); } for(int i = 1; i <= n; ++i) { if(!odw[i]) { nwyn = 0; dfs(i); if(nwyn == 0) nwyn++; wynik += nwyn; } } cout << wynik << endl; return 0; }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
10 20 4 5 6 4 5 1 5 9 ... |
correct output |
---|
11 |
user output |
---|
11 |
Test 2
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 10 7 3 5 2 9 7 1 5 ... |
correct output |
---|
5 |
user output |
---|
6 |
Test 3
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 5 5 7 3 8 5 8 3 7 ... |
correct output |
---|
4 |
user output |
---|
9 |
Test 4
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 4 9 1 6 8 7 1 5 7 |
correct output |
---|
3 |
user output |
---|
7 |
Test 5
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 2 10 6 2 1 |
correct output |
---|
2 |
user output |
---|
8 |
Test 6
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 200 24 40 25 6 36 93 92 90 ... |
correct output |
---|
97 |
user output |
---|
102 |
Test 7
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 100 98 37 91 37 60 92 46 27 ... |
correct output |
---|
60 |
user output |
---|
73 |
Test 8
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 50 74 95 53 72 69 85 14 13 ... |
correct output |
---|
34 |
user output |
---|
76 |
Test 9
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 40 28 76 10 81 13 52 46 83 ... |
correct output |
---|
29 |
user output |
---|
79 |
Test 10
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 20 27 35 72 92 56 4 64 80 ... |
correct output |
---|
18 |
user output |
---|
81 |
Test 11
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 200000 89244 59358 22943 56710 63331 89437 56581 38400 ... |
correct output |
---|
102510 |
user output |
---|
107130 |
Test 12
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 100000 21701 85599 61542 21474 38081 29362 46316 64038 ... |
correct output |
---|
60593 |
user output |
---|
79082 |
Test 13
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 50000 86469 4833 16351 35505 59315 33011 95464 16985 ... |
correct output |
---|
35933 |
user output |
---|
76382 |
Test 14
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 40000 5392 23534 63204 45619 74330 25925 59678 88427 ... |
correct output |
---|
30074 |
user output |
---|
77922 |
Test 15
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 20000 80156 16531 71753 77661 7028 33389 17168 646 ... |
correct output |
---|
16882 |
user output |
---|
85037 |