| 12681 | 2024-12-28 12:18:16 | feheristvan | Elágazás nélküli úton levő települések (50 pont) | cpp17 | Forditási hiba |
#include <iostream>
#include <set>
using namespace std;
void bejar(int x, set <int> &megold, int fokszam[], int n, int a[][101]){
int i;
bool volt[10001] = {0};
volt[x] = 1;
do{
i = 1;
while(i <= n && a[x][i] != 1){
i ++;
}
if(volt[i] == 1){
i++;
while(i <= n && a[x][i] != 1){
i ++;
}
}
if(i <= n && fokszam[i] != 1){
megold.insert(i);
volt[i] = 1;
}
x = i;
}while(fokszam[x] == 2);
}
int main()
{
vector <int> a;
int n, m;
cin >> n >> m;
int x, y;
for(int i = 0; i < m; i ++){
cin >> x >> y;
a[x][y] = 1;
a[y][x] = 1;
}
int fokszam[10001] = {0};
for(int i = 1 ; i <= n; i ++){
for(int j = 1 ; j <= n; j ++){
fokszam[i] += a[i][j];
}
}
set <int> halmaz;
for(int i = 1; i <= n; i ++){
if(fokszam[i] == 1){
bejar(i, halmaz, fokszam,n,a);
}
}
cout << halmaz.size() << endl;
for(auto i : halmaz)
cout << i << " ";
return 0;
}open /var/local/lib/isolate/430/box/a.out: no such file or directory
main.cpp: In function 'int main()':
main.cpp:31:5: error: 'vector' was not declared in this scope
31 | vector <int> a;
| ^~~~~~
main.cpp:3:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
2 | #include <set>
+++ |+#include <vector>
3 |
main.cpp:31:13: error: expected primary-expression before 'int'
31 | vector <int> a;
| ^~~
main.cpp:37:9: error: 'a' was not declared in this scope
37 | a[x][y] = 1;
| ^
main.cpp:43:27: error: 'a' was not declared in this scope
43 | fokszam[i] += a[i][j];
| ^
main.cpp:49:40: error: 'a' was not declared in this scope
49 | bejar(i, halmaz, fokszam,n,a);
| ^