code to find

#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

int main () {
  ifstream f;
  f.open ("message_revised.txt");
  char b[9] = "";
  vector<vector<int>> combo;
  int count = 0;
  while(f.read(b, sizeof(b) - 1)){
    int found = 0;
    //printf("%s\n", b);
    for(int j = 0; j < combo.size(); j++){
      //printf("checking for equality %d == %d\n", atoi(b), combo[j][0]);
      if (atoi(b) == combo[j][0]) {
          combo[j][1]++;
          found = 1;
      }
    }
    if(found == 0){
      //printf("no match was found\n");
      combo.push_back(vector<int> ());
      combo[count].push_back(atoi(b));
      combo[count++].push_back(1);
    }
    f.seekg(2, f.cur);
  }
  vector<int> max;
  vector<int> pos;
  for (int k = 0; k < combo.size(); k++) {
    max.push_back(-5000000);
    pos.push_back(0);
    for(int i = 0; i < combo.size(); i++){
      //printf("%d\n", combo[i][0]);
      if(combo[i][1] > max[k]){
        max[k] = combo[i][1];
        pos[k] = i;
      }
    }
    printf("%d occured %d times\n", combo[pos[k]][0], max[k]);
    combo[pos[k]][1] = -1;
  }
  f.close();
  return 0;
}