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1. Two Sum

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Tame Tiger answered on June 29, 2022 Popularity 9/10 Helpfulness 1/10

answer 1. Two Sum

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1. Two Sum

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class Solution {
    public:
        vector<int> twoSum(vector<int>& nums, int target) {
            unordered_map<int, int> indices;
            for(int i=0; i<nums.size(); i++) indices[nums[i]] = i;

            for(int i=0; i<nums.size(); i++){
                int left = target - nums[i];
                if (indices.count(left) && indices[left]!=i) return {i, indices[left]};
            }
            return {};
        }
    };

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: hackmd.io

Tags: c++ sum

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Contributed on Jun 29 2022

Tame Tiger

0 Answers Avg Quality 2/10

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two sum

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//O(n) hashmaps C++ Two Sum leetcode 
class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
        unordered_map<int,int> map;
        for(int i=0; i<=nums.size();i++){
            int compliment=target-nums[i];
            if(map.count(compliment)==1){
                return {map[compliment],i};
            }
            else{
                map[nums[i]]=i;
            }
            
     	}
        return {-1,-1};
        
    }
};

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Aug 24 2022

Clean Cottonmouth

0 Answers Avg Quality 2/10

Two Sum

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function twoSum(nums: number[], target: number): number[] {

};

Popularity 9/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: sum typescript

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

Comment

class Solution {
    func twoSum(_ nums: [Int], _ target: Int) -> [Int] {
        
    }
}

Popularity 9/10 Helpfulness 2/10 Language swift

Source: Grepper

Tags: sum swift sw

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

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class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
        
    }
};

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++ sum

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

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/**
 * Note: The returned array must be malloced, assume caller calls free().
 */
int* twoSum(int* nums, int numsSize, int target, int* returnSize){

}

Popularity 9/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c sum

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

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public class Solution {
    public int[] TwoSum(int[] nums, int target) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language csharp

Source: Grepper

Tags: c# sum

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

Comment

/**
 * @param {number[]} nums
 * @param {number} target
 * @return {number[]}
 */
var twoSum = function(nums, target) {
    
};

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

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# @param {Integer[]} nums
# @param {Integer} target
# @return {Integer[]}
def two_sum(nums, target)
    
end

Popularity 9/10 Helpfulness 1/10 Language ruby

Source: Grepper

Tags: ruby sum su

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Two Sum

Comment

class Solution {

    /**
     * @param Integer[] $nums
     * @param Integer $target
     * @return Integer[]
     */
    function twoSum($nums, $target) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language php

Source: Grepper

Tags: php sum

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

1. Two Sum

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