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RansomNote.cpp
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RansomNote.cpp
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#include <bits/stdc++.h>
using namespace std;
vector <string> split_string(string);
// Complete the checkMagazine function below.
void checkMagazine(vector <string> magazine, vector <string> note)
{
unordered_map<string, int> wordsMap;
for (auto &word : magazine)
{
if (wordsMap.end() == wordsMap.find(word))
{
wordsMap.emplace(word, 1);
} else
{
wordsMap[word]++;
}
}
for (auto &word: note)
{
auto it = wordsMap.find(word);
if (wordsMap.end() == it)
{
std::cout << "No";
return;
} else
{
if (--(*it).second < 0)
{
std::cout << "No";
return;
}
}
}
std::cout << "Yes";
return;
}
int main()
{
string mn_temp;
getline(cin, mn_temp);
vector <string> mn = split_string(mn_temp);
int m = stoi(mn[0]);
int n = stoi(mn[1]);
string magazine_temp_temp;
getline(cin, magazine_temp_temp);
vector <string> magazine_temp = split_string(magazine_temp_temp);
vector <string> magazine(m);
for (int i = 0; i < m; i++)
{
string magazine_item = magazine_temp[i];
magazine[i] = magazine_item;
}
string note_temp_temp;
getline(cin, note_temp_temp);
vector <string> note_temp = split_string(note_temp_temp);
vector <string> note(n);
for (int i = 0; i < n; i++)
{
string note_item = note_temp[i];
note[i] = note_item;
}
checkMagazine(magazine, note);
return 0;
}
vector <string> split_string(string input_string)
{
string::iterator new_end = unique(input_string.begin(), input_string.end(), [](const char &x, const char &y)
{
return x == y and x == ' ';
});
input_string.erase(new_end, input_string.end());
while (input_string[input_string.length() - 1] == ' ')
{
input_string.pop_back();
}
vector <string> splits;
char delimiter = ' ';
size_t i = 0;
size_t pos = input_string.find(delimiter);
while (pos != string::npos)
{
splits.push_back(input_string.substr(i, pos - i));
i = pos + 1;
pos = input_string.find(delimiter, i);
}
splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));
return splits;
}