#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &a, T b) {
a = min(a,b);
}
template<typename T>
void amax(T &a, T b) {
a = max(a,b);
}
#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif
/*
refs:
https://codeforces.com/blog/entry/101003?#comment-897398
*/
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
vector<int> ps = {5791, 8237, 3067, 6991, 3527};
vector<int> mods = {791139137, 433567597, 271149607, 561259969, 222708581};
ll pows[N][2];
void precalc() {
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
shuffle(all(ps), rng);
shuffle(all(mods), rng);
rep(j, 2) {
pows[0][j] = 1;
rep1(i, N - 1) {
pows[i][j] = pows[i - 1][j] * ps[j] % mods[j];
}
}
}
void solve(int test_case)
{
precalc();
ll n; cin >> n;
string s; cin >> s;
s = "$" + s;
ll A,B,C; cin >> A >> B >> C;
vector<array<ll,4>> hashes;
rep1(i,n){
array<ll,2> hsh = {0,0};
for(int j = i; j <= n; ++j){
rep(x,2){
hsh[x] = (hsh[x]*ps[x]+s[j]-'a'+1)%mods[x];
}
hashes.pb({hsh[0],hsh[1],i,j});
}
}
sort(all(hashes));
hashes.pb({inf2,inf2,-1,-1});
ll nxt[n+5][n+5];
memset(nxt,-1,sizeof nxt);
vector<pll> pos;
rep(i,sz(hashes)){
if(i and (hashes[i][0] != hashes[i-1][0] or hashes[i][1] != hashes[i-1][1])){
ll ptr = 0;
pos.pb({inf1,inf1});
for(auto [i,j] : pos){
if(i > n) break;
while(pos[ptr].ff <= j){
ptr++;
}
nxt[i][j] = pos[ptr].ff;
}
pos.clear();
}
pos.pb({hashes[i][2],hashes[i][3]});
}
ll dp[n+5][n+5];
memset(dp,0x3f,sizeof dp);
rep1(i,n){
dp[i][i] = A;
}
for(int d = 1; d <= n; ++d){
rep1(i,n){
ll j = i+d-1;
amin(dp[i][j],dp[i+1][j]+A);
amin(dp[i][j],dp[i][j-1]+A);
ll l = i, r = j;
ll paste = 1;
while(true){
ll l2 = nxt[l][r];
ll r2 = l2+j-i;
l = l2, r = r2;
if(l > n or l < 1) break;
paste++;
ll type = (r2-i+1)-(j-i+1)*paste;
amin(dp[i][r2],dp[i][j]+B+paste*C+type*A);
}
}
}
ll ans = dp[1][n];
cout << ans << endl;
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2024 KB |
Output is correct |
2 |
Correct |
2 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2024 KB |
Output is correct |
4 |
Correct |
2 ms |
1888 KB |
Output is correct |
5 |
Correct |
2 ms |
1884 KB |
Output is correct |
6 |
Correct |
2 ms |
1884 KB |
Output is correct |
7 |
Correct |
2 ms |
1884 KB |
Output is correct |
8 |
Correct |
3 ms |
1884 KB |
Output is correct |
9 |
Correct |
3 ms |
1784 KB |
Output is correct |
10 |
Correct |
3 ms |
1884 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1880 KB |
Output is correct |
2 |
Correct |
2 ms |
2024 KB |
Output is correct |
3 |
Correct |
571 ms |
106904 KB |
Output is correct |
4 |
Correct |
700 ms |
124720 KB |
Output is correct |
5 |
Correct |
938 ms |
145396 KB |
Output is correct |
6 |
Correct |
1028 ms |
169512 KB |
Output is correct |
7 |
Correct |
1296 ms |
198248 KB |
Output is correct |
8 |
Correct |
1253 ms |
198208 KB |
Output is correct |
9 |
Correct |
1234 ms |
198092 KB |
Output is correct |
10 |
Correct |
2 ms |
2040 KB |
Output is correct |
11 |
Correct |
2 ms |
1884 KB |
Output is correct |
12 |
Correct |
2 ms |
1884 KB |
Output is correct |
13 |
Correct |
2 ms |
1884 KB |
Output is correct |
14 |
Correct |
2 ms |
1884 KB |
Output is correct |
15 |
Correct |
2 ms |
1884 KB |
Output is correct |
16 |
Correct |
3 ms |
1884 KB |
Output is correct |
17 |
Correct |
2 ms |
1884 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2024 KB |
Output is correct |
2 |
Correct |
2 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2024 KB |
Output is correct |
4 |
Correct |
2 ms |
1888 KB |
Output is correct |
5 |
Correct |
2 ms |
1884 KB |
Output is correct |
6 |
Correct |
2 ms |
1884 KB |
Output is correct |
7 |
Correct |
2 ms |
1884 KB |
Output is correct |
8 |
Correct |
3 ms |
1884 KB |
Output is correct |
9 |
Correct |
3 ms |
1784 KB |
Output is correct |
10 |
Correct |
3 ms |
1884 KB |
Output is correct |
11 |
Correct |
2 ms |
1880 KB |
Output is correct |
12 |
Correct |
2 ms |
1884 KB |
Output is correct |
13 |
Correct |
3 ms |
2028 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
3 ms |
1884 KB |
Output is correct |
16 |
Correct |
3 ms |
1884 KB |
Output is correct |
17 |
Correct |
2 ms |
1884 KB |
Output is correct |
18 |
Correct |
2 ms |
1880 KB |
Output is correct |
19 |
Correct |
3 ms |
2196 KB |
Output is correct |
20 |
Correct |
2 ms |
1896 KB |
Output is correct |
21 |
Correct |
2 ms |
1884 KB |
Output is correct |
22 |
Correct |
3 ms |
1884 KB |
Output is correct |
23 |
Correct |
2 ms |
1884 KB |
Output is correct |
24 |
Correct |
2 ms |
1884 KB |
Output is correct |
25 |
Correct |
2 ms |
2016 KB |
Output is correct |
26 |
Correct |
2 ms |
1884 KB |
Output is correct |
27 |
Correct |
2 ms |
1884 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2024 KB |
Output is correct |
30 |
Correct |
2 ms |
1884 KB |
Output is correct |
31 |
Correct |
3 ms |
2016 KB |
Output is correct |
32 |
Correct |
2 ms |
1884 KB |
Output is correct |
33 |
Correct |
2 ms |
1884 KB |
Output is correct |
34 |
Correct |
2 ms |
1884 KB |
Output is correct |
35 |
Correct |
3 ms |
2024 KB |
Output is correct |
36 |
Correct |
2 ms |
1884 KB |
Output is correct |
37 |
Correct |
2 ms |
2028 KB |
Output is correct |
38 |
Correct |
2 ms |
1884 KB |
Output is correct |
39 |
Correct |
3 ms |
1880 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2024 KB |
Output is correct |
2 |
Correct |
2 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2024 KB |
Output is correct |
4 |
Correct |
2 ms |
1888 KB |
Output is correct |
5 |
Correct |
2 ms |
1884 KB |
Output is correct |
6 |
Correct |
2 ms |
1884 KB |
Output is correct |
7 |
Correct |
2 ms |
1884 KB |
Output is correct |
8 |
Correct |
3 ms |
1884 KB |
Output is correct |
9 |
Correct |
3 ms |
1784 KB |
Output is correct |
10 |
Correct |
3 ms |
1884 KB |
Output is correct |
11 |
Correct |
2 ms |
1880 KB |
Output is correct |
12 |
Correct |
2 ms |
1884 KB |
Output is correct |
13 |
Correct |
3 ms |
2028 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
3 ms |
1884 KB |
Output is correct |
16 |
Correct |
3 ms |
1884 KB |
Output is correct |
17 |
Correct |
2 ms |
1884 KB |
Output is correct |
18 |
Correct |
2 ms |
1880 KB |
Output is correct |
19 |
Correct |
3 ms |
2196 KB |
Output is correct |
20 |
Correct |
2 ms |
1896 KB |
Output is correct |
21 |
Correct |
2 ms |
1884 KB |
Output is correct |
22 |
Correct |
3 ms |
1884 KB |
Output is correct |
23 |
Correct |
2 ms |
1884 KB |
Output is correct |
24 |
Correct |
2 ms |
1884 KB |
Output is correct |
25 |
Correct |
2 ms |
2016 KB |
Output is correct |
26 |
Correct |
2 ms |
1884 KB |
Output is correct |
27 |
Correct |
2 ms |
1884 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2024 KB |
Output is correct |
30 |
Correct |
2 ms |
1884 KB |
Output is correct |
31 |
Correct |
3 ms |
2016 KB |
Output is correct |
32 |
Correct |
2 ms |
1884 KB |
Output is correct |
33 |
Correct |
2 ms |
1884 KB |
Output is correct |
34 |
Correct |
2 ms |
1884 KB |
Output is correct |
35 |
Correct |
3 ms |
2024 KB |
Output is correct |
36 |
Correct |
2 ms |
1884 KB |
Output is correct |
37 |
Correct |
2 ms |
2028 KB |
Output is correct |
38 |
Correct |
2 ms |
1884 KB |
Output is correct |
39 |
Correct |
3 ms |
1880 KB |
Output is correct |
40 |
Correct |
3 ms |
2280 KB |
Output is correct |
41 |
Correct |
6 ms |
3288 KB |
Output is correct |
42 |
Correct |
7 ms |
3284 KB |
Output is correct |
43 |
Correct |
5 ms |
3284 KB |
Output is correct |
44 |
Correct |
7 ms |
3284 KB |
Output is correct |
45 |
Correct |
5 ms |
3288 KB |
Output is correct |
46 |
Correct |
5 ms |
3288 KB |
Output is correct |
47 |
Correct |
6 ms |
3288 KB |
Output is correct |
48 |
Correct |
7 ms |
3288 KB |
Output is correct |
49 |
Correct |
6 ms |
3432 KB |
Output is correct |
50 |
Correct |
7 ms |
3288 KB |
Output is correct |
51 |
Correct |
6 ms |
3428 KB |
Output is correct |
52 |
Correct |
6 ms |
3316 KB |
Output is correct |
53 |
Correct |
5 ms |
3288 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2024 KB |
Output is correct |
2 |
Correct |
2 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2024 KB |
Output is correct |
4 |
Correct |
2 ms |
1888 KB |
Output is correct |
5 |
Correct |
2 ms |
1884 KB |
Output is correct |
6 |
Correct |
2 ms |
1884 KB |
Output is correct |
7 |
Correct |
2 ms |
1884 KB |
Output is correct |
8 |
Correct |
3 ms |
1884 KB |
Output is correct |
9 |
Correct |
3 ms |
1784 KB |
Output is correct |
10 |
Correct |
3 ms |
1884 KB |
Output is correct |
11 |
Correct |
2 ms |
1880 KB |
Output is correct |
12 |
Correct |
2 ms |
1884 KB |
Output is correct |
13 |
Correct |
3 ms |
2028 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
3 ms |
1884 KB |
Output is correct |
16 |
Correct |
3 ms |
1884 KB |
Output is correct |
17 |
Correct |
2 ms |
1884 KB |
Output is correct |
18 |
Correct |
2 ms |
1880 KB |
Output is correct |
19 |
Correct |
3 ms |
2196 KB |
Output is correct |
20 |
Correct |
2 ms |
1896 KB |
Output is correct |
21 |
Correct |
2 ms |
1884 KB |
Output is correct |
22 |
Correct |
3 ms |
1884 KB |
Output is correct |
23 |
Correct |
2 ms |
1884 KB |
Output is correct |
24 |
Correct |
2 ms |
1884 KB |
Output is correct |
25 |
Correct |
2 ms |
2016 KB |
Output is correct |
26 |
Correct |
2 ms |
1884 KB |
Output is correct |
27 |
Correct |
2 ms |
1884 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2024 KB |
Output is correct |
30 |
Correct |
2 ms |
1884 KB |
Output is correct |
31 |
Correct |
3 ms |
2016 KB |
Output is correct |
32 |
Correct |
2 ms |
1884 KB |
Output is correct |
33 |
Correct |
2 ms |
1884 KB |
Output is correct |
34 |
Correct |
2 ms |
1884 KB |
Output is correct |
35 |
Correct |
3 ms |
2024 KB |
Output is correct |
36 |
Correct |
2 ms |
1884 KB |
Output is correct |
37 |
Correct |
2 ms |
2028 KB |
Output is correct |
38 |
Correct |
2 ms |
1884 KB |
Output is correct |
39 |
Correct |
3 ms |
1880 KB |
Output is correct |
40 |
Correct |
3 ms |
2280 KB |
Output is correct |
41 |
Correct |
6 ms |
3288 KB |
Output is correct |
42 |
Correct |
7 ms |
3284 KB |
Output is correct |
43 |
Correct |
5 ms |
3284 KB |
Output is correct |
44 |
Correct |
7 ms |
3284 KB |
Output is correct |
45 |
Correct |
5 ms |
3288 KB |
Output is correct |
46 |
Correct |
5 ms |
3288 KB |
Output is correct |
47 |
Correct |
6 ms |
3288 KB |
Output is correct |
48 |
Correct |
7 ms |
3288 KB |
Output is correct |
49 |
Correct |
6 ms |
3432 KB |
Output is correct |
50 |
Correct |
7 ms |
3288 KB |
Output is correct |
51 |
Correct |
6 ms |
3428 KB |
Output is correct |
52 |
Correct |
6 ms |
3316 KB |
Output is correct |
53 |
Correct |
5 ms |
3288 KB |
Output is correct |
54 |
Correct |
21 ms |
8372 KB |
Output is correct |
55 |
Correct |
138 ms |
33436 KB |
Output is correct |
56 |
Correct |
107 ms |
33436 KB |
Output is correct |
57 |
Correct |
106 ms |
33432 KB |
Output is correct |
58 |
Correct |
113 ms |
33432 KB |
Output is correct |
59 |
Correct |
109 ms |
33432 KB |
Output is correct |
60 |
Correct |
106 ms |
33436 KB |
Output is correct |
61 |
Correct |
107 ms |
33456 KB |
Output is correct |
62 |
Correct |
133 ms |
33432 KB |
Output is correct |
63 |
Correct |
112 ms |
33528 KB |
Output is correct |
64 |
Correct |
121 ms |
33436 KB |
Output is correct |
65 |
Correct |
139 ms |
33436 KB |
Output is correct |
66 |
Correct |
124 ms |
33432 KB |
Output is correct |
67 |
Correct |
106 ms |
33436 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2024 KB |
Output is correct |
2 |
Correct |
2 ms |
1884 KB |
Output is correct |
3 |
Correct |
2 ms |
2024 KB |
Output is correct |
4 |
Correct |
2 ms |
1888 KB |
Output is correct |
5 |
Correct |
2 ms |
1884 KB |
Output is correct |
6 |
Correct |
2 ms |
1884 KB |
Output is correct |
7 |
Correct |
2 ms |
1884 KB |
Output is correct |
8 |
Correct |
3 ms |
1884 KB |
Output is correct |
9 |
Correct |
3 ms |
1784 KB |
Output is correct |
10 |
Correct |
3 ms |
1884 KB |
Output is correct |
11 |
Correct |
2 ms |
1880 KB |
Output is correct |
12 |
Correct |
2 ms |
2024 KB |
Output is correct |
13 |
Correct |
571 ms |
106904 KB |
Output is correct |
14 |
Correct |
700 ms |
124720 KB |
Output is correct |
15 |
Correct |
938 ms |
145396 KB |
Output is correct |
16 |
Correct |
1028 ms |
169512 KB |
Output is correct |
17 |
Correct |
1296 ms |
198248 KB |
Output is correct |
18 |
Correct |
1253 ms |
198208 KB |
Output is correct |
19 |
Correct |
1234 ms |
198092 KB |
Output is correct |
20 |
Correct |
2 ms |
2040 KB |
Output is correct |
21 |
Correct |
2 ms |
1884 KB |
Output is correct |
22 |
Correct |
2 ms |
1884 KB |
Output is correct |
23 |
Correct |
2 ms |
1884 KB |
Output is correct |
24 |
Correct |
2 ms |
1884 KB |
Output is correct |
25 |
Correct |
2 ms |
1884 KB |
Output is correct |
26 |
Correct |
3 ms |
1884 KB |
Output is correct |
27 |
Correct |
2 ms |
1884 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
1884 KB |
Output is correct |
30 |
Correct |
3 ms |
2028 KB |
Output is correct |
31 |
Correct |
2 ms |
1880 KB |
Output is correct |
32 |
Correct |
3 ms |
1884 KB |
Output is correct |
33 |
Correct |
3 ms |
1884 KB |
Output is correct |
34 |
Correct |
2 ms |
1884 KB |
Output is correct |
35 |
Correct |
2 ms |
1880 KB |
Output is correct |
36 |
Correct |
3 ms |
2196 KB |
Output is correct |
37 |
Correct |
2 ms |
1896 KB |
Output is correct |
38 |
Correct |
2 ms |
1884 KB |
Output is correct |
39 |
Correct |
3 ms |
1884 KB |
Output is correct |
40 |
Correct |
2 ms |
1884 KB |
Output is correct |
41 |
Correct |
2 ms |
1884 KB |
Output is correct |
42 |
Correct |
2 ms |
2016 KB |
Output is correct |
43 |
Correct |
2 ms |
1884 KB |
Output is correct |
44 |
Correct |
2 ms |
1884 KB |
Output is correct |
45 |
Correct |
2 ms |
1880 KB |
Output is correct |
46 |
Correct |
2 ms |
2024 KB |
Output is correct |
47 |
Correct |
2 ms |
1884 KB |
Output is correct |
48 |
Correct |
3 ms |
2016 KB |
Output is correct |
49 |
Correct |
2 ms |
1884 KB |
Output is correct |
50 |
Correct |
2 ms |
1884 KB |
Output is correct |
51 |
Correct |
2 ms |
1884 KB |
Output is correct |
52 |
Correct |
3 ms |
2024 KB |
Output is correct |
53 |
Correct |
2 ms |
1884 KB |
Output is correct |
54 |
Correct |
2 ms |
2028 KB |
Output is correct |
55 |
Correct |
2 ms |
1884 KB |
Output is correct |
56 |
Correct |
3 ms |
1880 KB |
Output is correct |
57 |
Correct |
3 ms |
2280 KB |
Output is correct |
58 |
Correct |
6 ms |
3288 KB |
Output is correct |
59 |
Correct |
7 ms |
3284 KB |
Output is correct |
60 |
Correct |
5 ms |
3284 KB |
Output is correct |
61 |
Correct |
7 ms |
3284 KB |
Output is correct |
62 |
Correct |
5 ms |
3288 KB |
Output is correct |
63 |
Correct |
5 ms |
3288 KB |
Output is correct |
64 |
Correct |
6 ms |
3288 KB |
Output is correct |
65 |
Correct |
7 ms |
3288 KB |
Output is correct |
66 |
Correct |
6 ms |
3432 KB |
Output is correct |
67 |
Correct |
7 ms |
3288 KB |
Output is correct |
68 |
Correct |
6 ms |
3428 KB |
Output is correct |
69 |
Correct |
6 ms |
3316 KB |
Output is correct |
70 |
Correct |
5 ms |
3288 KB |
Output is correct |
71 |
Correct |
21 ms |
8372 KB |
Output is correct |
72 |
Correct |
138 ms |
33436 KB |
Output is correct |
73 |
Correct |
107 ms |
33436 KB |
Output is correct |
74 |
Correct |
106 ms |
33432 KB |
Output is correct |
75 |
Correct |
113 ms |
33432 KB |
Output is correct |
76 |
Correct |
109 ms |
33432 KB |
Output is correct |
77 |
Correct |
106 ms |
33436 KB |
Output is correct |
78 |
Correct |
107 ms |
33456 KB |
Output is correct |
79 |
Correct |
133 ms |
33432 KB |
Output is correct |
80 |
Correct |
112 ms |
33528 KB |
Output is correct |
81 |
Correct |
121 ms |
33436 KB |
Output is correct |
82 |
Correct |
139 ms |
33436 KB |
Output is correct |
83 |
Correct |
124 ms |
33432 KB |
Output is correct |
84 |
Correct |
106 ms |
33436 KB |
Output is correct |
85 |
Correct |
374 ms |
80480 KB |
Output is correct |
86 |
Correct |
1151 ms |
198260 KB |
Output is correct |
87 |
Correct |
1047 ms |
198200 KB |
Output is correct |
88 |
Correct |
1081 ms |
198092 KB |
Output is correct |
89 |
Correct |
1098 ms |
198092 KB |
Output is correct |
90 |
Correct |
1014 ms |
198124 KB |
Output is correct |
91 |
Correct |
1016 ms |
198084 KB |
Output is correct |
92 |
Correct |
1130 ms |
198048 KB |
Output is correct |
93 |
Correct |
1002 ms |
198088 KB |
Output is correct |
94 |
Correct |
1008 ms |
198048 KB |
Output is correct |
95 |
Correct |
1183 ms |
198044 KB |
Output is correct |
96 |
Correct |
1148 ms |
198092 KB |
Output is correct |
97 |
Correct |
1050 ms |
198052 KB |
Output is correct |