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Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Arrogant Anteater answered on October 28, 2020 Popularity 2/10 Helpfulness 1/10

answer Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Comment

int sockMerchant(int n, vector<int> ar) {
unordered_map<int,int> count;
for(int i=0;i<ar.size();i++){
count[ar[i]]++;
}
int result = 0;
for(auto it=count.begin();it!=count.end();it++){
result += (it->second/2);
}
return result;
}

Popularity 2/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: editor function integer matching return socks whatever

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Contributed on Oct 28 2020

Arrogant Anteater

0 Answers Avg Quality 2/10

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Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Comment

function sockMerchant(n, array) {
  let count = 0;
  const seen = {};
  array.forEach((item) => {
    if (seen[item]) { // one sock of this color was seen before, so this completes a pair
      seen[item] = false;
      count++;
    } else { // this is the one in a pair
      seen[item] = true;
    }
  });
  return count;
}

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Source: Grepper

Tags: whatever editor matching return function integer socks

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Contributed on Oct 28 2020

Arrogant Anteater

0 Answers Avg Quality 2/10

Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Comment

fun main() {
    val colors = arrayOf(10, 20, 20, 10, 10, 30, 50, 10, 20)
    var pairs = 0
    val colorFrequencies: MutableMap<Int, Int> = mutableMapOf()
    colors.forEach { color ->
        val count = colorFrequencies.getOrDefault(color, 0)
        colorFrequencies[color] = count+1
    }
    colorFrequencies.forEach { entry ->
        pairs += entry.value / 2
    }
    println(pairs)
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: return function integer socks matching editor whatever

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Contributed on Oct 28 2020

Arrogant Anteater

0 Answers Avg Quality 2/10

Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

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Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

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Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

Complete the sock Merchant function in the editor below. It must return an integer representing the number of matching pairs of socks that are available.

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