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two sum

Clean Cottonmouth answered on March 4, 2022 Popularity 10/10 Helpfulness 2/10

answer two sum

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++ maps sum

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Contributed on Aug 24 2022

Clean Cottonmouth

0 Answers Avg Quality 2/10

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two sum problem

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vector<int> twoSum(vector<int>& nums, int target) {
    int len = nums.size();
    for(int i = 0; i < len; i++) {
        for(int j = i + 1; j < len; j++) {
            if(nums[j] == target - nums[i])
                return { i, j };
        }
    }
    return {-1, -1};
};

Popularity 10/10 Helpfulness 3/10 Language whatever

Source: shareablecode.com

Tags: sum

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Contributed on Mar 04 2022

Rich Rattlesnake

0 Answers Avg Quality 2/10

Two Sum

Comment

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

};

Popularity 8/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: sum typescript types

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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 8/10 Helpfulness 2/10 Language swift

Source: Grepper

Tags: sum swift swif

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Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

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

two sum problem

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vector<int> twoSum(vector<int>& nums, int target) {
    int front = 0, rear = nums.size() - 1;
    sort(nums.begin(), nums.end());
    while(front < rear) {
      int sum = nums[front] + nums[rear];
      if (sum == target)
       break;
      else if (sum > target)
       rear--;
      else
       front++;
    }
    return {front, rear};
};

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: shareablecode.com

Tags: sum

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Contributed on Mar 04 2022

Rich Rattlesnake

0 Answers Avg Quality 2/10

two sum solution

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       vector<int> twoSum(vector<int> &nums, int target){ // Brute Force Approach
            for(int i = 0; i < nums.size(); i++){
                for(int j = i+1; j < nums.size(); j++){
                    if(nums[i] + nums[j] == target){
                        vector<int> result;
                        result.push_back(i);
                        result.push_back(j);
                        return result;
                    }
                }
            }
            return vector<int>();  // return empty vector if no two sum solution
        }

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jun 25 2022

Ivory Knight

0 Answers Avg Quality 2/10

Two Sum

Comment

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

Comment


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

}

Popularity 8/10 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

Comment

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

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