Submission #1058893

#	Time	Username	Problem	Language	Result	Execution time	Memory
1058893		Boas	Copy and Paste 3 (JOI22_copypaste3)	C++17	0 / 100	3115 ms	676976 KiB

copypaste3

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

template <typename T1, typename T2>
using indexed_map = tree<T1, T2, less<T1>, rb_tree_tag, tree_order_statistics_node_update>;
template <typename T>
using indexed_set = indexed_map<T, null_type>;

#define loop(x, i) for (int i = 0; i < (x); i++)
#define loop1(x, i) for (int i = 1; i <= (x); i++)
#define rev(x, i) for (int i = (int)(x) - 1; i >= 0; i--)
#define itloop(x) for (auto it = begin(x); x != end(x); it++)
#define itrev(x) for (auto it = rbegin(x); x != rend(x); it++)
#define int long long
#define INF ((int)(2e18 + 1))
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define existsIn(x, l) (count(ALL(l), x) > 0)
#define removeIn(x, l) l.erase(find(ALL(l), x))
#define pb push_back
#define sz(x) (int)(x).size()
#define F first
#define S second
#define var const auto &
#define foreach(l) for (var e : l)

typedef int8_t in8;
typedef int16_t in16;
typedef int32_t in32;
typedef int64_t in64;
typedef pair<int, int> ii;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<vii> vvii;
typedef vector<viii> vviii;
typedef set<int> si;
typedef set<ii> sii;
typedef set<iii> siii;
typedef vector<si> vsi;
typedef vector<sii> vsii;
typedef vector<vsi> vvsi;
typedef vector<string> vstr;
typedef vector<vector<string>> vvstr;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vi::iterator viit;
typedef si::iterator siit;

typedef tuple<int, int, int, int> iiii;

int n, a, b, c;
string s;
map<iiii, int> dp;
map<iiii, bool> seen;
vi ixs;

int calc(int lX = 0, int sX = 0, int lY = 0, int sY = 0)
{
    if (sX == n)
        return 0;
    if (sX > n)
        return INF;
    if (dp.count({lX, sX, lY, sY}))
        return dp[{lX, sX, lY, sY}];
    if (seen[{lX, sX, lY, sY}])
        return INF;
    seen[{lX, sX, lY, sY}] = 1;
    int res = INF;
    if (sX == 0)
    {
        for (int i : ixs)
        {
            int optA = a + calc(i, 1, lY, sY);
            res = min(res, optA);
            if (a >= res)
                break;
        }
    }
    else
    {
        int optA = a + calc(lX, sX + 1, lY, sY);
        res = min(res, optA);
    }
    if (sX && b < res)
    {
        int optB = b + calc(0, 0, lX, sX);
        res = min(res, optB);
    }
    if (sY && c < res && lX + sX + sY <= n)
    {
        bool val = 1;
        // check of goede teskt
        /*loop(sY, i)
        {
            if (s[lX + sX + i] != s[lY + i])
            {
                val = 0;
                break;
            }
        }*/
        if (val)
        {
            int optC = c + calc(lX, sX + sY, lY, sY);
            res = min(res, optC);
        }
    }
    return dp[{lX, sX, lY, sY}] = res;
}

void solve()
{
    dp.clear();
    ixs.clear();
    cin >> n >> s >> a >> b >> c;
    si chars;
    loop(n, i)
    {
        if (!chars.count(s[i]))
        {
            chars.insert(s[i]);
            ixs.pb(i);
        }
    }
    cout << calc() << endl;
}

signed main()
{
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    // cin >> t;
    while (t--)
        solve();
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 5
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 32
• Subtask 6: 0 / 38