Varianta61Subiectul3Problema4.cpp

#include <fstream>
#include <iostream>
#include <string.h>
using namespace std;

ifstream fin("text.in");

char v[] = "aeiou";

int f[5][5]; // f[0][0] e pt aa, f[3][4] e pt ou, etc

int main() {
  
  char x, y;
  fin >> x;
  
  while (fin.get(y)) {
    if (strchr(v, x) && strchr(v, y))
      f[strchr(v, x) - v][strchr(v, y) - v]++;
    x = y;
  }
  
  int i, j, max = 0;
  
  for (i = 0; i <= 4; i++) {
    for (j = 0; j <= 4; j++) {
      if (f[i][j] > max) {
        max = f[i][j];
      }
    }
  }
  
  for (i = 0; i <= 4; i++) {
    for (j = 0; j <= 4; j++) {
      if (f[i][j] == max) {
        cout << v[i] << v[j] << endl;
      }
    }
  }
  return 0;

}