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My leetcode submissions.
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545 B · 22 lines
C++
at main
1234567891011121314151617181920212223#include <bits/stdc++.h>#include <ranges>namespace ra = std::ranges;namespace vi = std::ranges::views;using namespace std;
auto containsDuplicate(vector<int>& nums) -> bool{ return unordered_set(nums.begin(), nums.end()).size() != nums.size();}
auto main() -> int{ auto nums = vector{ 1,2,3,1 }; cout << boolalpha<< containsDuplicate(nums) << endl; nums = vector{1,2,3,4}; cout << boolalpha<< containsDuplicate(nums) << endl; nums = vector{1,1,1,3,3,4,3,2,4,2}; cout << boolalpha<< containsDuplicate(nums) << endl; return 0;}