bubble sort

bubble_sort.cpp

#include <utility>
#include <vector>
void bubble_sort(std::vector<int>& nums) {
    for (int i = 0; i < nums.size(); i++) {
        for (int j = nums.size() - 1; j > i; j--) {
            if (nums[j] < nums[i]) {
                std::swap(nums[i], nums[j]);
            }
        }
    }
}