diff options
Diffstat (limited to 'other/min_genetic_mutation.cpp')
-rw-r--r-- | other/min_genetic_mutation.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/other/min_genetic_mutation.cpp b/other/min_genetic_mutation.cpp new file mode 100644 index 0000000..8bbf503 --- /dev/null +++ b/other/min_genetic_mutation.cpp @@ -0,0 +1,33 @@ +#include "leetcode.h" + +class Solution { +public: + int minMutation(string start, string end, vector<string> &bank) { + deque<pair<string, int>> dqp({{start, 0}}); + set<string> s(bank.begin(), bank.end()); + vector<char> nucleotides = {'A', 'T', 'G', 'C'}; + while (!dqp.empty()) { + auto [g, m] = dqp.front(); + dqp.pop_front(); + if (g == end) + return m; + for (int i = 0; i < g.size(); ++i) + for (char n : nucleotides) { + string gm = g; + gm[i] = n; + if (s.count(gm)) { + s.erase(gm); + dqp.emplace_back(gm, m + 1); + } + } + } + return -1; + } +}; + +int main() { + Solution obj; + string start = "AACCGGTT", end = "AACCGGTA"; + vector<string> bank = {"AACCGGTA"}; + cout << obj.minMutation(start, end, bank); +} |