30 lines
573 B
C++
30 lines
573 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main(void) {
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ios::sync_with_stdio(0);
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cin.tie(0);
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string instructions;
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getline(cin, instructions);
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cin.ignore(1);
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unordered_map<string, pair<string, string>> locs;
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string line;
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while (getline(cin, line)) {
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locs[line.substr(0, 3)] = make_pair(line.substr(7, 3), line.substr(12, 3));
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}
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string current = "AAA";
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int i = 0;
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while (current != "ZZZ") {
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if (instructions[i++ % instructions.length()] == 'L')
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current = locs[current].first;
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else
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current = locs[current].second;
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}
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cout << i << '\n';
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}
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