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Word count

#003BasicMapsvector5 min

Write count_words(words) to return a map of how many times each word appears.

Examples

count_words({"cat", "dog", "cat"})→{'cat': 2, 'dog': 1}

count_words({})→{}

The functionmap<string, int> count_words(const vector<string> &words)

main.cpp

#include <map>
#include <string>
#include <vector>
using namespace std;

map<string, int> count_words(const vector<string> &words) {
    map<string, int> seen;
    for (const string &w : words) {
        // your code here: add 1 to this word's count
    }
    return seen;
}

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