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  1. //You can never leave
  2.  
  3. #include <bits/stdc++.h>
  4. using namespace std;
  5. #define int long long
  6.  
  7.  
  8. signed main()
  9. {
  10.     ios_base::sync_with_stdio(false);
  11.     cin.tie(NULL);
  12.     int n;
  13.     cin >> n;
  14.     int a1[10]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  15.     int a2[10]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  16.     int a3[10]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
  17.     for (int i = 0; i < n; i++)
  18.     {
  19.         for (int j = 0; j < 6; j++)
  20.         {
  21.             int cur;
  22.             cin >> cur;
  23.             if(i == 0) a1[cur]++;
  24.             else if(i == 1) a2[cur]++;
  25.             else a3[cur]++;
  26.         }
  27.     }
  28.     int ans = 0;
  29.     for (int i = 1; i < 100; i++)
  30.     {
  31.         bool flag = false;
  32.         int temp = i;
  33.         pair<int, int> a{0, -1};
  34.         while (temp)
  35.         {
  36.             int cur = temp % 10;
  37.             if(a.second == -1)
  38.                 a.second = cur;
  39.             else    
  40.                 a.first = cur;
  41.             temp /= 10;
  42.         }
  43.         if(a.first == 0)
  44.         {
  45.             if(a1[a.second] || a2[a.second] || a3[a.second])
  46.                 flag = true;
  47.         }
  48.         else if(a1[a.first])
  49.         {
  50.             if(a2[a.second])
  51.                 flag = true;
  52.             else if(a3[a.second])
  53.                 flag = true;
  54.         }
  55.         if(a2[a.first])
  56.         {
  57.             if(a3[a.second])
  58.                 flag = true;
  59.             else if(a1[a.second])
  60.                 flag = true;
  61.         }
  62.         if(a3[a.first])
  63.         {
  64.             if(a1[a.second])
  65.                 flag = true;
  66.             else if(a2[a.second])
  67.                 flag = true;
  68.         }
  69.         if(!flag) 
  70.         {
  71.             ans = i - 1;
  72.             break;
  73.         }
  74.     }
  75.     cout << ans;
  76. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/fxEbqx
language:
C++ (gcc 8.3)
created:
17 days ago
visibility:
public

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