#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;
typedef tuple<int, int, int, int, int> iiiii;
int n, a, b, c;
string s;
// map<iiii, int> dp;
set<iiii> seen;
vi ixs;
void solve()
{
ixs.clear();
cin >> n >> s >> a >> b >> c;
map<string, vi> strIxs;
loop(n, l) for (int r = l; r < n; r++) strIxs[s.substr(l, r - l + 1)].pb(l);
si chars;
loop(n, i)
{
if (!chars.count(s[i]))
{
chars.insert(s[i]);
ixs.pb(i);
}
}
priority_queue<iiiii> q;
q.push({0, 0, 0, 0, 0});
while (!q.empty())
{
auto [cur, lX, sX, lY, sY] = q.top();
q.pop();
if (sX == n)
{
cout << -cur << endl;
exit(0);
}
if (sX > n)
continue;
if (seen.count({lX, sX, lY, sY}))
continue;
seen.insert({lX, sX, lY, sY});
if (sX == 0LL)
{
for (int i : ixs)
{
q.push({cur - a, i, 1LL, lY, sY});
}
}
else
{
q.push({cur - a, lX, sX + 1LL, lY, sY});
}
if (sX)
{
q.push({cur - b, 0LL, 0LL, lX, sX});
}
if (sY && lX + sX + sY <= n)
{
if (chars.size() == 1)
{
q.push({cur - c, lX, sX + sY, lY, sY});
}
else
{
string x = s.substr(lX, sX);
string y = s.substr(lY, sY);
for (int i : strIxs[x])
{
if (i + sX + sY <= n && s.substr(i + sX, sY) == y)
q.push({cur - c, i, sX + sY, lY, sY});
}
}
}
}
}
signed main()
{
cin.tie(0)->sync_with_stdio(0);
int t = 1;
// cin >> t;
while (t--)
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1165 ms |
124284 KB |
Output is correct |
4 |
Correct |
824 ms |
80576 KB |
Output is correct |
5 |
Correct |
2807 ms |
274136 KB |
Output is correct |
6 |
Correct |
592 ms |
33896 KB |
Output is correct |
7 |
Execution timed out |
3084 ms |
376740 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |