Multiset - Allow Duplicate Elements
C++
Hard
3 views
Problem Description
Like set but allows duplicates, keeps sorted.
Real Life: Sorted list with repetitions allowed.
Step-by-Step Logic:
1. Create multiset
2. Insert elements (duplicates allowed)
3. Automatically sorted
4. Use count() to find frequency
5. Use equal_range() for range of duplicates
Official Solution
void stl_q12_multiset() {
multiset<int> ms;
ms.insert(10);
ms.insert(20);
ms.insert(10);
ms.insert(30);
ms.insert(20);
cout << "Multiset (sorted with duplicates): ";
for(int num : ms) {
cout << num << " ";
}
cout << endl;
cout << "Count of 10: " << ms.count(10) << endl;
}
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