51 lines
965 B
C++
51 lines
965 B
C++
|
#include <bits/stdc++.h>
|
||
|
using namespace std;
|
||
|
|
||
|
int main() {
|
||
|
ios::sync_with_stdio(0);
|
||
|
cin.tie(0);
|
||
|
|
||
|
int ret = 0;
|
||
|
vector<vector<int>> lefts, rights;
|
||
|
vector<int> copies;
|
||
|
|
||
|
string line;
|
||
|
while (getline(cin, line) && !line.empty()) {
|
||
|
int count = 1;
|
||
|
int start = line.find(':');
|
||
|
int bar = line.find('|');
|
||
|
string left = line.substr(start + 2, bar - start - 3);
|
||
|
string right = line.substr(bar + 2);
|
||
|
istringstream lss(left), rss(right);
|
||
|
vector<int> rv, lv;
|
||
|
while (!rss.eof()) {
|
||
|
int n;
|
||
|
rss >> n;
|
||
|
rv.push_back(n);
|
||
|
}
|
||
|
rights.push_back(rv);
|
||
|
while (!lss.eof()) {
|
||
|
int n;
|
||
|
lss >> n;
|
||
|
lv.push_back(n);
|
||
|
}
|
||
|
lefts.push_back(lv);
|
||
|
copies.push_back(1);
|
||
|
}
|
||
|
for (int cn = 0; cn < copies.size(); cn++) {
|
||
|
ret += copies[cn];
|
||
|
int n = cn;
|
||
|
for (int ln : lefts[cn]) {
|
||
|
for (int rn : rights[cn]) {
|
||
|
if (ln == rn) {
|
||
|
if (++n == copies.size())
|
||
|
goto end;
|
||
|
copies[n] += copies[cn];
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
end:;
|
||
|
}
|
||
|
cout << ret << '\n';
|
||
|
}
|