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