P142PROH_DanKien

#include <bits/stdc++.h>

#define fto(i, l, r) for (int i=l; i<=r; ++i)

using namespace std;

int r, c, ans = 0;
char a[11][11];
bool ate[11][11];

int main() {
    #ifndef ONLINE_JUDGE
        freopen("P142PROH.inp", "r", stdin);
    #endif // ONLINE_JUDGE

    scanf("%d%d", &r, &c);
    fto(i, 0, r - 1)
    {
        fto(j, 0, c - 1) scanf("%c", &a[i][j]);
        char tmp; scanf("%c", &tmp);
    }

    memset(ate, false, sizeof ate);
    fto(i, 0, r - 1)
    {
        bool found = false;
        fto(j, 0, c - 1)
            if (a[i][j] == 'S')
            {
                found = true;
                break;
            }

        if (!found)
        {
            ans += c;
            fto(j, 0, c - 1) ate[i][j] = true;
        }
    }

    fto(j, 0, c - 1)
    {
        bool found = false;
        fto(i, 0, r - 1)
            if (a[i][j] == 'S')
            {
                found = true;
                break;
            }

        if (!found)
            fto(i, 0, r - 1)
                if (!ate[i][j]) ++ans;
    }

    printf("%d", ans);

    return 0;
}