#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();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Execution timed out |
3115 ms |
676976 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
452 KB |
Output is correct |
3 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |