1013.cpp

/**
 *                                   ____
 *       ____ ___  ____ ________  __/ __/
 *      / __ `__ \/ __ `/ ___/ / / / /_
 *     / / / / / / /_/ / /  / /_/ / __/
 *    /_/ /_/ /_/\__,_/_/   \__,_/_/
 *
 *    @link : https://the-redback.com
 */

#include <bits/stdc++.h>
using namespace std;

//==================[ START ]=====================

typedef unsigned long long LLU;
typedef long long LL;

#define ft        first
#define sd        second
#define mp        make_pair
#define pb(x)     push_back(x)
#define all(x)    x.begin(), x.end()
#define allr(x)   x.rbegin(), x.rend()
#define mem(a, b) memset(a, b, sizeof(a))
#define meminf(a) memset(a, 126, sizeof(a))
#define LL        long long
#define LLU       unsigned long long

#define inf 1e9
#define eps 1e-9
#define NN  1010
//==================[ END ]=====================

LL dp[35][35];
LL dlcs[35][35];
string s1, s2;

LL lcs(int i, int j) {
    if (i <= 0 || j <= 0) return 0;
    LL& tc = dlcs[i][j];
    if (tc != -1) return tc;
    if (s1[i] == s2[j])
        tc = lcs(i - 1, j - 1) + 1;
    else {
        LL res = lcs(i - 1, j);
        tc = max(res, lcs(i, j - 1));
    }
    return tc;
}

LL rec(int i, int j) {
    if (i <= 0 || j <= 0) return 1;
    LL& tc = dp[i][j];
    if (tc != -1) return tc;
    if (s1[i] == s2[j])
        tc = rec(i - 1, j - 1);
    else if (lcs(i - 1, j) > lcs(i, j - 1))
        tc = rec(i - 1, j);
    else if (lcs(i - 1, j) < lcs(i, j - 1))
        tc = rec(i, j - 1);
    else
        tc = rec(i - 1, j) + rec(i, j - 1);
    return tc;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1, tc;
    cin >> tc;
    LL i, j, k, l, m, n;
    LL r, q;
    while (tc--) {
        cin >> s1;
        cin >> s2;
        s1 = " " + s1;
        s2 = " " + s2;
        mem(dp, -1);
        mem(dlcs, -1);

        LL res = s1.size() + s2.size() - 2;
        res -= lcs(s1.size() - 1, s2.size() - 1);
        LL ret = rec(s1.size() - 1, s2.size() - 1);
        printf("Case %d: %lld %lld\n", t++, res, ret);
    }
    return 0;
}