std::unordered_set<std::priority_queue<int>*>SetResult; voidbacktrace(vector<int>&nums,priority_queue<int>&path,intepoch){ if(epoch==nums.size()){ SetResult.insert(&path); return; } backtrace(nums,path,epoch+1); path.push(nums[epoch]); backtrace(nums,path,epoch+1); } vector<vector<...
std::unordered_set<std::priority_queue<int>,std::hash<std::priority_queue<int>>,PriorityComparator>SetResult; voidbacktrace(vector<int>nums,priority_queue<int>path,intepoch){ if(epoch==nums.size()){ SetResult.insert(path); return; } backtrace(nums,path,epoch+1); path.push(nums[epoch]);...