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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. string toLowercaseManual(const string& text) {
  7.     string result = text;
  8.     for (int i = 0; i < result.length(); ++i) { // Bucla for clasică
  9.         if (result[i] >= 'A' && result[i] <= 'Z') {
  10.             result[i] = result[i] + 32;
  11.         }
  12.     }
  13.     return result;
  14. }
  15.  
  16. char findMostFrequentLowercase(const string& text) {
  17.     int counts[26] = {0};
  18.     for (int i = 0; i < text.length(); ++i) { // Bucla for clasică
  19.         if (text[i] >= 'a' && text[i] <= 'z') {
  20.             counts[text[i] - 'a']++;
  21.         }
  22.     }
  23.  
  24.     char mostFrequentChar = 0;
  25.     int maxCount = 0;
  26.  
  27.     for (int i = 0; i < 26; ++i) {
  28.         if (counts[i] > maxCount) {
  29.             maxCount = counts[i];
  30.             mostFrequentChar = 'a' + i;
  31.         }
  32.     }
  33.  
  34.     return mostFrequentChar;
  35. }
  36.  
  37. int main() {
  38.     string line;
  39.     string allText;
  40.  
  41.     cout << "Introduceti textul (liniile se termina cu EOF sau linie goala):\n";
  42.     while (getline(cin, line)) {
  43.         if (line.empty()) {
  44.             break;
  45.         }
  46.         allText += toLowercaseManual(line);
  47.     }
  48.  
  49.     char mostFrequent = findMostFrequentLowercase(allText);
  50.  
  51.     if (mostFrequent) {
  52.         cout << "Litera mica cea mai frecventa este: " << mostFrequent << endl;
  53.     } else {
  54.         cout << "Nu au fost gasite litere mici." << endl;
  55.     }
  56.  
  57.     return 0;
  58. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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TEXT CU LITERE MARI
ALTA LINIE CU MAJUSCULE
SI INCA UNA
folosim getline(cin, line) în interiorul unei bucle while.
stdout
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Introduceti textul (liniile se termina cu EOF sau linie goala):
Litera mica cea mai frecventa este: i
https://ideone.com/WxLzdq
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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