code. compile. run. debug. share.
#include <iostream>
#include <fstream>
#include <map>
#include <vector>
#include <utility>
#include <algorithm>
int main() {
std::map<char, int> m;
std::string s, text;
std::ifstream in("1.txt");
std::vector<std::pair<char, int>> v;
if (!in) {
std::cout << "failed to open file.";
return 1;
}
while(getline(in,s)) text += s;
for (auto &symb : text) {
if(isalpha(symb)) m[symb]++;
}
for (auto &e : m) {
v.push_back(e);
}
std::sort(v.begin(), v.end(),
[](std::pair<char, int> &p1, std::pair<char, int> &p2){return p1.second > p2.second;}
);
for (auto &e : v) {
std::cout << e.first << ": " << e.second << "\n";
}
return 0;
}
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Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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