fork download 
  1. #include <iostream>
  2. #include <string>
  3. #include <climits>
  4. #include <algorithm>
  5. #include <cmath>
  6.  
  7. using namespace std;
  8.  
  9. void solve() {
  10.     string s;
  11.     cin >> s;
  12.     int n = s.size();
  13.     double min_cost = LONG_MAX;
  14.     int min_len = 0;
  15.  
  16.     // Check all possible substrings
  17.     for (int i = 0; i < n; ++i) {
  18.         for (int j = i; j < n; ++j) {
  19.             string current_str = s.substr(i, j - i + 1);
  20.             long num = stol(current_str);
  21.             int sum = 0;
  22.             for (char c : current_str) {
  23.                 sum += c - '0';
  24.             }
  25.             double cost = (double)num / sum;
  26.             if (cost < min_cost) {
  27.                 min_cost = cost;
  28.                 min_len = current_str.size();
  29.             } else if (cost == min_cost) {
  30.                 if (current_str.size() > min_len) {
  31.                     min_len = current_str.size();
  32.                 }
  33.             }
  34.         }
  35.     }
  36.     cout << n - min_len << endl;
  37. }
  38.  
  39. int main() {
  40.     int t;
  41.     cin >> t;
  42.     while (t--) {
  43.         solve();
  44.     }
  45.     return 0;
  46. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin 
4
666
13700
102030
7
stdout 
2
4
4
0
https://ideone.com/7pM1t4
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!