#include<bits/stdc++.h>
using namespace std;
vector<vector<int>>tConn;
vector<vector<int>>aConn;
int N,M;
struct Group{
vector<int>miestai;
vector<int>connections;
void mergeGroup(Group g){
for(int m:g.miestai) miestai.push_back(m);
for(int c:g.connections)
if(find(connections.begin(), connections.end(), c)==connections.end())
connections.push_back(c);
}
bool hasCity(int city){
return (find(miestai.begin(), miestai.end(), city)!=miestai.end());
}
bool hasConnection(int conn){
return (find(connections.begin(), connections.end(), conn)!=connections.end());
}
};
void dumpGroups(vector<Group> grupes){
for (Group g : grupes) {
for (int m : g.miestai) {
cout<<m<<" ";
}
cout<<" ----> ";
for (int c : g.connections) {
cout<<c<<" ";
}
cout<<endl;
}
}
int main() {
cin >> N >> M;
int a, b;
char T;
tConn.resize(N);
aConn.resize(N);
for (int i = 0; i < M; i++) {
cin >> a >> b >> T;
if(T=='T'){
tConn[a-1].push_back(b-1);
tConn[b-1].push_back(a-1);
}
else{
aConn[a-1].push_back(b-1);
aConn[b-1].push_back(a-1);
}
}
vector<Group>grupes;
vector<int>sk_grupe(N, -1);
queue<int> nextToCheck;
for (int i = 0; i < N; i++) {
if (sk_grupe[i] == -1) {
grupes.push_back(Group());
nextToCheck.push(i);
while (!nextToCheck.empty()) {
if (sk_grupe[nextToCheck.front()] == -1) {
sk_grupe[nextToCheck.front()] = grupes.size() - 1;
grupes[grupes.size() - 1].miestai.push_back(nextToCheck.front());
for (int c : tConn[nextToCheck.front()]) {
nextToCheck.push(c);
}
}
nextToCheck.pop();
}
}
}
for(int i=0; i<grupes.size(); i++){
for (int m : grupes[i].miestai) {
for (int c : aConn[m]) {
if (!grupes[i].hasConnection(sk_grupe[c])&&sk_grupe[c]!=i){
grupes[i].connections.push_back(sk_grupe[c]);
}
}
}
}
int m=0;
for (Group g : grupes) {
if(g.connections.size()==grupes.size()-1){
//turi visas grupes
m+=g.miestai.size();
}
}
cout<<m<<endl;
}
Compilation message
menesinis_bilietas.cpp: In function 'int main()':
menesinis_bilietas.cpp:85:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Group>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
85 | for(int i=0; i<grupes.size(); i++){
| ~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
483 ms |
29452 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
78 ms |
61020 KB |
Output is correct |
5 |
Correct |
2 ms |
1928 KB |
Output is correct |
6 |
Correct |
113 ms |
4632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
61020 KB |
Output is correct |
2 |
Correct |
2 ms |
1928 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
588 KB |
Output is correct |
6 |
Correct |
1959 ms |
13768 KB |
Output is correct |
7 |
Execution timed out |
3067 ms |
79688 KB |
Time limit exceeded |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
4 ms |
588 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
2 ms |
332 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
6 ms |
472 KB |
Output is correct |
11 |
Correct |
5 ms |
424 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
8 ms |
660 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
2 ms |
392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
472 KB |
Output is correct |
6 |
Correct |
5 ms |
424 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
8 ms |
660 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
288 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
392 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
4 ms |
588 KB |
Output is correct |
21 |
Correct |
2 ms |
1928 KB |
Output is correct |
22 |
Correct |
113 ms |
4632 KB |
Output is correct |
23 |
Correct |
16 ms |
1116 KB |
Output is correct |
24 |
Correct |
299 ms |
10792 KB |
Output is correct |
25 |
Correct |
77 ms |
3752 KB |
Output is correct |
26 |
Correct |
132 ms |
5708 KB |
Output is correct |
27 |
Correct |
63 ms |
3072 KB |
Output is correct |
28 |
Correct |
189 ms |
7064 KB |
Output is correct |
29 |
Correct |
36 ms |
3508 KB |
Output is correct |
30 |
Correct |
46 ms |
3808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
332 KB |
Output is correct |
4 |
Correct |
3 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
472 KB |
Output is correct |
6 |
Correct |
5 ms |
424 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
8 ms |
660 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
0 ms |
288 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
392 KB |
Output is correct |
16 |
Correct |
16 ms |
1116 KB |
Output is correct |
17 |
Correct |
299 ms |
10792 KB |
Output is correct |
18 |
Correct |
77 ms |
3752 KB |
Output is correct |
19 |
Correct |
132 ms |
5708 KB |
Output is correct |
20 |
Correct |
63 ms |
3072 KB |
Output is correct |
21 |
Correct |
189 ms |
7064 KB |
Output is correct |
22 |
Correct |
483 ms |
29452 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
78 ms |
61020 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
4 ms |
588 KB |
Output is correct |
29 |
Correct |
2 ms |
1928 KB |
Output is correct |
30 |
Correct |
1959 ms |
13768 KB |
Output is correct |
31 |
Execution timed out |
3067 ms |
79688 KB |
Time limit exceeded |