#include <bits/stdc++.h>
#pragma optimize("Ofast")
#pragma target("avx2")
using namespace std;
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
#define int ll
#define ull unsigned ll
const int MAX=2500+15;
const int B=331;
const int maxB=1000;
const int N=104;
const int block=450;
const int inf=1e9;
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};
int binpow(int a,int n){
if(!n)return 1;
if(n%2==1)return a*binpow(a,n-1)%mod;
int k=binpow(a,n/2);
return k*k%mod;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n,a,b,c;
string s;
struct hash{
int mod,C;
int h[MAX],p[MAX];
void init(int module,int constant,string s){
mod=module;
C=constant;
p[0]=1;
for(int i=1;i<sz(s);i++){
h[i]=(h[i-1]*C+s[i])%mod;
p[i]=p[i-1]*C%mod;
}
}
int get(int l,int r){
return (h[r]-h[l-1]*p[r-l+1]%mod+mod)%mod;
}
}H[3];
bool isEqual(int l,int r,int L,int R){
for(int i=0;i<3;i++){
if(H[i].get(l,r)!=H[i].get(L,R))return 0;
}
return 1;
}
int dp[MAX][MAX];
int last[MAX][MAX];
map<pair<pii,int>,int> was;
void solve(){
cin>>n>>s;
cin>>a>>b>>c;
s="#"+s;
H[0].init(1e9+7,331,s);
H[1].init(1e9+9,331,s);
H[2].init(998244353,331,s);
for(int zs=1;zs<=n;zs++){
for(int r=zs;r<=n;r++){
int R=r-zs;
int L=R-zs+1;
if(1<=L){
was[{{H[0].get(L,R),H[1].get(L,R)},H[2].get(L,R)}]=R;
}
int l=r-zs+1;
if(was.count({{H[0].get(l,r),H[1].get(l,r)},H[2].get(l,r)})){
last[l][r]=was[{{H[0].get(l,r),H[1].get(l,r)},H[2].get(l,r)}];
}
}
}
for(int i=1;i<=n;i++)dp[i][i]=a;
for(int r=2;r<=n;r++){
vector<int> upd[r];
vector<int> cnt(r,0),cost(r,0);
multiset<int> st;
for(int l=r-1;l>=1;l--){
cnt[r-l]=1;
cost[r-l]=dp[l+1][r]+b+cnt[r-l]*c-a*(r-l)*cnt[r-l];
// cout<<l<<" "<<r<<" "<<dp[l+1][r]<<" "<<b<<" "<<cnt[r-l]*c<<" "<<a*(r-l+1-(r-l)*cnt[r-l])<<"\n";
st.in(cost[r-l]);
if(last[l+1][r]-(r-l)+1>0)upd[last[l+1][r]-(r-l)+1].pb(r-l);
// cout<<l+1<<" "<<r<<" "<<last[l+1][r]<<"\n";
for(int zs:upd[l]){
cnt[zs]++;
st.erase(st.find(cost[zs]));
cost[zs]=dp[r-zs+1][r]+b+cnt[zs]*c-a*zs*cnt[zs];
// cout<<r<<" "<<dp[r-zs+1][r]<<" "<<b<<" "<<cnt[zs]*c<<" "<<a*(r-l+1-zs*cnt[zs])<<"\n";
st.in(cost[zs]);
if(last[l][l+zs-1]-zs+1>0)upd[last[l][l+zs-1]-zs+1].pb(zs);
}
dp[l][r]=min(dp[l][r-1]+a,*st.begin()+(r-l+1)*a);
// cout<<l<<" "<<r<<" "<<dp[l][r]<<" "<<*st.begin()+(r-l+1)*a<<"\n";
}
}
cout<<dp[1][n]<<"\n";
}
signed main(){
// freopen("triangles.in","r",stdin);
// freopen("triangles.out","w",stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// prec();
int t=1;
// cin>>t;
while(t--)solve();
}
Compilation message
copypaste3.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
3 | #pragma optimize("Ofast")
|
copypaste3.cpp:4: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
4 | #pragma target("avx2")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2520 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
2392 KB |
Output is correct |
3 |
Correct |
1939 ms |
59692 KB |
Output is correct |
4 |
Correct |
2393 ms |
63824 KB |
Output is correct |
5 |
Correct |
2678 ms |
70620 KB |
Output is correct |
6 |
Execution timed out |
3054 ms |
70064 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2520 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
2 ms |
4440 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4440 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4440 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
2520 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
2 ms |
4440 KB |
Output is correct |
25 |
Correct |
2 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4440 KB |
Output is correct |
31 |
Correct |
1 ms |
4440 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
1 ms |
4444 KB |
Output is correct |
39 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2520 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
2 ms |
4440 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4440 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4440 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
2520 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
2 ms |
4440 KB |
Output is correct |
25 |
Correct |
2 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4440 KB |
Output is correct |
31 |
Correct |
1 ms |
4440 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
1 ms |
4444 KB |
Output is correct |
39 |
Correct |
1 ms |
4444 KB |
Output is correct |
40 |
Correct |
2 ms |
4568 KB |
Output is correct |
41 |
Correct |
14 ms |
8796 KB |
Output is correct |
42 |
Correct |
10 ms |
9492 KB |
Output is correct |
43 |
Correct |
12 ms |
9448 KB |
Output is correct |
44 |
Correct |
8 ms |
9308 KB |
Output is correct |
45 |
Correct |
8 ms |
9308 KB |
Output is correct |
46 |
Correct |
7 ms |
9308 KB |
Output is correct |
47 |
Correct |
12 ms |
8792 KB |
Output is correct |
48 |
Correct |
11 ms |
9052 KB |
Output is correct |
49 |
Correct |
11 ms |
9268 KB |
Output is correct |
50 |
Correct |
9 ms |
9052 KB |
Output is correct |
51 |
Correct |
11 ms |
9088 KB |
Output is correct |
52 |
Correct |
12 ms |
8924 KB |
Output is correct |
53 |
Correct |
9 ms |
9308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2520 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
2 ms |
4440 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4440 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4440 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
2392 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
2520 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
2 ms |
4440 KB |
Output is correct |
25 |
Correct |
2 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4440 KB |
Output is correct |
31 |
Correct |
1 ms |
4440 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4444 KB |
Output is correct |
34 |
Correct |
1 ms |
2396 KB |
Output is correct |
35 |
Correct |
1 ms |
2396 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
1 ms |
4444 KB |
Output is correct |
39 |
Correct |
1 ms |
4444 KB |
Output is correct |
40 |
Correct |
2 ms |
4568 KB |
Output is correct |
41 |
Correct |
14 ms |
8796 KB |
Output is correct |
42 |
Correct |
10 ms |
9492 KB |
Output is correct |
43 |
Correct |
12 ms |
9448 KB |
Output is correct |
44 |
Correct |
8 ms |
9308 KB |
Output is correct |
45 |
Correct |
8 ms |
9308 KB |
Output is correct |
46 |
Correct |
7 ms |
9308 KB |
Output is correct |
47 |
Correct |
12 ms |
8792 KB |
Output is correct |
48 |
Correct |
11 ms |
9052 KB |
Output is correct |
49 |
Correct |
11 ms |
9268 KB |
Output is correct |
50 |
Correct |
9 ms |
9052 KB |
Output is correct |
51 |
Correct |
11 ms |
9088 KB |
Output is correct |
52 |
Correct |
12 ms |
8924 KB |
Output is correct |
53 |
Correct |
9 ms |
9308 KB |
Output is correct |
54 |
Correct |
60 ms |
24660 KB |
Output is correct |
55 |
Correct |
562 ms |
41976 KB |
Output is correct |
56 |
Correct |
396 ms |
60632 KB |
Output is correct |
57 |
Correct |
423 ms |
60692 KB |
Output is correct |
58 |
Correct |
350 ms |
61012 KB |
Output is correct |
59 |
Correct |
434 ms |
60948 KB |
Output is correct |
60 |
Correct |
332 ms |
61140 KB |
Output is correct |
61 |
Correct |
255 ms |
50000 KB |
Output is correct |
62 |
Correct |
487 ms |
41944 KB |
Output is correct |
63 |
Correct |
289 ms |
53528 KB |
Output is correct |
64 |
Correct |
313 ms |
53092 KB |
Output is correct |
65 |
Correct |
444 ms |
48268 KB |
Output is correct |
66 |
Correct |
432 ms |
48388 KB |
Output is correct |
67 |
Correct |
388 ms |
61036 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2520 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
1 ms |
2392 KB |
Output is correct |
13 |
Correct |
1939 ms |
59692 KB |
Output is correct |
14 |
Correct |
2393 ms |
63824 KB |
Output is correct |
15 |
Correct |
2678 ms |
70620 KB |
Output is correct |
16 |
Execution timed out |
3054 ms |
70064 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |