Input File

    int m = 0; // Total of Processes
    int n = 0; // Total of Resources
    int i = 0, j = 0;
    int S[100][100]; // Matrix

    FILE *file = fopen("TestCase06.txt", "r");

    if(file == NULL)
    {
        printf("The file was not successfully opened.\n");
        exit(1);
    }
    else
    {
        // Count row and column(m and n)
        int stop = 0;
        char ch;

        while(!feof(file))
        {
            ch = fgetc(file);
            if(ch == '\n')
            {
                m++;
                stop = 1;
            }
            if(stop != 1)
                if(ch != '\n' && ch != ',')
                    n++;
        }

        // Input the matrix
        file = fopen("TestCase06.txt", "r");
        while(!feof(file))
        {
            ch = fgetc(file);
            if(ch != ',' && ch != '\n')
            {
                S[i][j] = (int)(ch - '0');
            }

            if(ch == '\n')
            {
                i++;
                j = 0;
            }
            else if(ch != ',')
            {
                j++;
            }
        }
    }
    fclose(file);