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#include <iostream> #include <vector> #include <algorithm> #include <cassert> int unique_sum(const std::vector<int>& n) { auto nums = n; std::sort(nums.begin(), nums.end(), [](int a, int b) { return a < b; }); int sum = 0; for(size_t i = 0; i < nums.size(); i++) { if(nums[i] == nums[i+1] || nums[i] == nums[i-1]) { continue; } else { sum += nums[i]; } } return sum; }- #include <iostream>
- #include <vector>
#include <unordered_map>- #include <algorithm>
- #include <cassert>
int unique_sum(const std::vector<int>& nums) {std::unordered_map<int, int> hashMap;for (int i = 0; i < nums.size(); i++) {if (hashMap.find(nums[i]) == hashMap.end()) {hashMap[nums[i]] = nums[i];- int unique_sum(const std::vector<int>& n) {
- auto nums = n;
- std::sort(nums.begin(), nums.end(), [](int a, int b) {
- return a < b;
- });
- int sum = 0;
- for(size_t i = 0; i < nums.size(); i++) {
- if(nums[i] == nums[i+1] || nums[i] == nums[i-1]) {
- continue;
- } else {
hashMap[nums[i]] = 0;- sum += nums[i];
- }
- }
int sum = 0;for (auto i: hashMap) {sum = sum + hashMap[i.first];}- return sum;
- }
// TODO: Replace examples and use TDD by writing your own tests Describe(unique_sum_of_numbers) { It(should_do_something) { Assert::That(unique_sum({1,2,3,2}), Equals(4)); Assert::That(unique_sum({1,1,2,3}), Equals(5)); Assert::That(unique_sum({-1,-1,0,1}), Equals(1)); }; It(should_do_something_other) { Assert::That(unique_sum({}), Equals(0)); Assert::That(unique_sum({5, 5, 5, 5}), Equals(0)); Assert::That(unique_sum({10, 20, 30, 20, 10}), Equals(30)); Assert::That(unique_sum({1, 2, 3, 4, 5}), Equals(15)); Assert::That(unique_sum({-5, -5, 0, 5, 5}), Equals(0)); Assert::That(unique_sum({-1, 2, -1, 3, 4, 2}), Equals(7)); Assert::That(unique_sum({1, 2, 3, 4, 5, 1, 2, 3}), Equals(9)); Assert::That(unique_sum({100, 200, 300, 300, 200, 100}), Equals(0)); } };- // TODO: Replace examples and use TDD by writing your own tests
- Describe(unique_sum_of_numbers)
- {
- It(should_do_something)
- {
- Assert::That(unique_sum({1,2,3,2}), Equals(4));
- Assert::That(unique_sum({1,1,2,3}), Equals(5));
- Assert::That(unique_sum({-1,-1,0,1}), Equals(1));
- };
- It(should_do_something_other)
- {
- Assert::That(unique_sum({}), Equals(0));
- Assert::That(unique_sum({5, 5, 5, 5}), Equals(0));
- Assert::That(unique_sum({10, 20, 30, 20, 10}), Equals(30));
- Assert::That(unique_sum({1, 2, 3, 4, 5}), Equals(15));
- Assert::That(unique_sum({-5, -5, 0, 5, 5}), Equals(0));
- Assert::That(unique_sum({-1, 2, -1, 3, 4, 2}), Equals(7));
- Assert::That(unique_sum({1, 2, 3, 4, 5, 1, 2, 3}), Equals(9));
- Assert::That(unique_sum({100, 200, 300, 300, 200, 100}), Equals(0));
- }