Kertoma

input/code.cpp: In function 'long int* getDigits(long int)':
input/code.cpp:84:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |   for (int i = 0; i < str.length(); i++) {
      |                   ~~^~~~~~~~~~~~~~

#include <iostream>
#include <cmath>
#include <string>
#include <bits/stdc++.h>
using namespace std;
/*
long int cache[1000];
int cacheMax = 1;
 
long int factorial(long int n) {
  cout << "end" << endl;
  if (cacheMax > n) {
    //return cache[n];
  }
  long int r = 1; //cacheMax <= 1 ? 1 : cache[cacheMax];
  for (long int i = cacheMax; i <= n; i++) {
    r *= i;
    cacheMax = i;
    cache[i] = r;
  }
  return r;
}
 
bool checkNum(long int x, int * digits) {
  long int * d = getDigits(x);
  //cout << "num: " << x << endl;
  for (int i = 0; i < 10; i++) {
    //cout << "   " << i << " - " << digits[i] << " - " << d[i] << endl;
    if (digits[i] != d[i]) {
      return false;
    }
  }
  return true;
}
 
int getDigitCount(long int x) {
  return (int) x / pow(10, to_string(x).length());
}
 
 
void old() {
  
  int digits[10];
  int digitCount = 0;
  for (int i = 0; i < 10; i++) {
    cin >> digits[i];
    digitCount += digits[i];
  }
 
  long int min = 10, max = 1000000000;
 
  long int a = min;
  long int b = ((max - min) / 2) + min;
  long int c = max;
  while (true) {
    if (getDigitCount(factorial(b)) > digitCount) {
      cout << "up" << endl;
      c = b;
    } else {
      cout << "down" << endl;
      a = b;
    }
    b = ((c - a) / 2) + a;
    //cout << (b > 30) << ": " << a << ", " << b << ", " << c << endl;
    cout << (b > 30) << "  -  " << b << endl;
    if (c - a < 2) {
      cout << b << endl;
      break;
    }
  }
  
  cout << "end" << endl;
}
*/
 
long int * getDigits(long int x) {
  static long int digits[10];
  for (int i = 0; i < 10; i++) {
    digits[i] = 0;
  }
 
  string str = to_string(x);
  //cout << endl << "str: " << str << endl;
  for (int i = 0; i < str.length(); i++) {
    digits[stoi(str.substr(i,1))]++;
  }
  
  for (int i = 0; i < 10; i++) {
    //cout << digits[i] << endl;
  }
  //cout << endl;
  return digits;
}
 
bool checkNum(long int x, int * digits) {
  long int * d = getDigits(x);
  //cout << "num: " << x << endl;
  for (int i = 0; i < 10; i++) {
    //cout << "   " << i << " - " << digits[i] << " - " << d[i] << endl;
    if (digits[i] != d[i]) {
      return false;
    }
  }
  return true;
}
 
bool calcSubTen(int * digits) {
  int r = 1;
  for (int i = 2; i < 10; i++) {
    r *= i;
    //cout << "i: " << i << " r: " << r << endl;
    if (checkNum(r, digits)) {
      cout << i;
      return true;
    }
 
    //cout << endl;
  }
  return false;
}
 
int main() {
 
  int digits[10];
  int digitCount = 0;
  for (int i = 0; i < 10; i++) {
    cin >> digits[i];
    digitCount += digits[i];
  }
 
  if (calcSubTen(digits)) {
    return 0;
  }
 
  //double m = log10(1);
  double value = 1;
  for (int i = 1; i < 1000; i++) {
    double m = log10(i);
    value += m;
    if (value > digitCount) {
      cout << i;
      break;
    }
  } 
  
  return 0;
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER

Test 16

Group: 3

Verdict: WRONG ANSWER