10026번: 적록색약

#include<cstdio>
using namespace std;
void cnt(int y, int x, int n, char(*c)[101], char h);
int dx[4] = { -1,0,1,0 };
int dy[4] = { 0,1,0,-1 };
int main()
{
    int n, ans[2] = { 0,0 };
    char c1[100][101], c2[100][101];
    scanf("%d", &n);
    for (int i = 0; i < n; ++i)
    {
        scanf("%s", &c1[i]);
        for (int j = 0; j < n; ++j)
            if (c1[i][j] != 'G')
                c2[i][j] = c1[i][j];
            else 
                c2[i][j] = 'R';
    }
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j)
        {
            if (c1[i][j] != 'X')
            {
                cnt(i, j, n, c1, c1[i][j]);
                ++ans[0];
            }
            if (c2[i][j] != 'X')
            {
                cnt(i, j, n, c2, c2[i][j]);
                ++ans[1];
            }
        }
    printf("%d %d",ans[0], ans[1]);
}
void cnt(int y, int x, int n, char(*c)[101], char h)
{
    int k, j;
    c[y][x] = 'X';
    for (int i = 0; i < 4; ++i)
    {
        k = y + dy[i];
        j = x + dx[i];
        if (k > -1 && k < n && j > -1 && j < n)
            if (c[k][j] == h)
                cnt(k, j, n, c, h);
    }
}