Language: C++

using System;
using System.Linq;
class aoj
{
    static void Main()
    {
        int a = int.Parse(Console.ReadLine());
        int[] b = new int[a];
        for (int i = 0; i < a*(a-1)/2; i++)
        {
            int[] c = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
            if (c[2] < c[3])
                b[c[1] - 1] += 3;
            else if (c[2] > c[3])
                b[c[0] - 1] += 3;
            else
            {
                b[c[0] - 1] += 1;
                b[c[1] - 1] += 1;
            }
        }
        int d = 0, e = 1, k = 0; 
        bool[] f = new bool[a];
        int[] g = new int[a];
        while(true)
        {
            int h = 0;
            d = 0;
            for (int i = 0; i < a; i++)
            {
                if (b[i] > d&&f[i]==false)
                    d = b[i];
            }
            for(int i = 0; i < a; i++)
            {
                if (b[i] >= d && f[i] == false)
                {
                    h++;
                    f[i] = true;
                    g[i] = e;k++;
                }
            }
            e += h;
            if (k == a) break;
        }
        foreach (int i in g)
            Console.WriteLine(i);
    }
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Linq;
      |       ^~~~~~
a.cc:49:2: error: expected ';' after class definition
   49 | }
      |  ^
      |  ;
a.cc: In static member function 'static void aoj::Main()':
a.cc:7:17: error: expected primary-expression before 'int'
    7 |         int a = int.Parse(Console.ReadLine());
      |                 ^~~
a.cc:8:12: error: structured binding declaration cannot have type 'int'
    8 |         int[] b = new int[a];
      |            ^~
a.cc:8:12: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:8:12: error: empty structured binding declaration
a.cc:8:15: error: expected initializer before 'b'
    8 |         int[] b = new int[a];
      |               ^
a.cc:11:16: error: structured binding declaration cannot have type 'int'
   11 |             int[] c = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
      |                ^~
a.cc:11:16: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:11:16: error: empty structured binding declaration
a.cc:11:19: error: expected initializer before 'c'
   11 |             int[] c = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();
      |                   ^
a.cc:12:17: error: 'c' was not declared in this scope
   12 |             if (c[2] < c[3])
      |                 ^
a.cc:13:17: error: 'b' was not declared in this scope
   13 |                 b[c[1] - 1] += 3;
      |                 ^
a.cc:15:17: error: 'b' was not declared in this scope
   15 |                 b[c[0] - 1] += 3;
      |                 ^
a.cc:18:17: error: 'b' was not declared in this scope
   18 |                 b[c[0] - 1] += 1;
      |                 ^
a.cc:23:13: error: structured binding declaration cannot have type 'bool'
   23 |         bool[] f = new bool[a];
      |             ^~
a.cc:23:13: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:23:13: error: empty structured binding declaration
a.cc:23:16: error: expected initializer before 'f'
   23 |         bool[] f = new bool[a];
      |                ^
a.cc:24:12: error: structured binding declaration cannot have type 'int'
   24 |         int[] g = new int[a];
      |            ^~
a.cc:24:12: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:24:12: error: empty structured binding declaration
a.cc:24:15: error: expected initializer before 'g'
   24 |         int[] g = new int[a];
      |               ^
a.cc:31:21: error: 'b' was not declared in this scope
   31 |                 if (b[i] > d&&f[i]==false)
      |                     ^
a.cc:31:31: error: 'f' was not declared in this scope
   31 |                 if (b[i] > d&&f[i]==false)
      |                               ^
a.cc:36:21: error: 'b' was not declared in this scope
   36 |                 if (b[i] >= d && f[i] == false)
      |                     ^
a.cc:36:34: error: 'f' was not declared in this scope
   36 |                 if (b[i] >= d && f[i] == false)
      |                                  ^
a.cc:40:21: error: 'g' was not declared in this scope
   40 |                     g[i] = e;k++;
      |                     ^
a.cc:46:18: error: expected primary-expression before 'int'
   46 |         foreach (int i in g)
      |                  ^~~
a.cc:46:9: error: 'foreach' was not declared in this scope
   46 |         foreach (int i in g)
      |         ^~~~~~~