Submission #548230

# Submission time Handle Problem Language Result Execution time Memory
548230 2022-04-12T18:19:30 Z inksamurai Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
3000 ms 299352 KB
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,x,n) for(int i=x;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3rfKJyA ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e
 
//snuke's mod int
template <ll mod>
struct modint{
	ll x; // typedef long long ll;
	modint(ll x=0):x((x%mod+mod)%mod){}
	modint operator-()const{return modint(-x);}
	modint& operator+=(const modint a){if((x+=a.x)>=mod) x-=mod; return *this;}
	modint& operator-=(const modint a){if((x+=mod-a.x)>=mod) x-=mod; return *this;}
	modint& operator*=(const modint a){(x*=a.x)%=mod; return *this;}
	modint operator+(const modint a)const{modint res(*this); return res+=a;}
	modint operator-(const modint a)const{modint res(*this); return res-=a;}
	modint operator*(const modint a)const{modint res(*this); return res*=a;}
	modint pow(ll n)const{
		modint res=1,x(*this);
		while(n){
			if(n&1)res*=x;
			x*=x;
			n>>=1;
		}
		return res;
	}
	modint inv()const{return pow(mod-2);}
};
 
// include mint here
using hshmint=modint<1000000007>;
using hshmint1=modint<998244353>;
using magicpair=pair<hshmint,hshmint1>;
hshmint _p=9973; // base
hshmint1 _p1=257; // base1
hshmint pw[3011],invpw[3011];
hshmint1 pw1[3011],invpw1[3011];
magicpair hsh[3011];
 
struct rollhsh{		
	rollhsh(string s=""){
		init(s);
	}
	void init(string s){
		// put this out in global if multiple testcases
		hsh[0]={1,1};
		pw[0]=1;
		pw1[0]=1;
		invpw[0]=1;
		invpw1[0]=1;		
		hshmint _invbase=_p.x;
		hshmint1 _invbase1=_p1.x;
		_invbase=_invbase.inv(); _invbase1=_invbase1.inv();
		rep(i,sz(s)){
			pw[i+1]=pw[i]*_p;
			pw1[i+1]=pw1[i]*_p1;
			invpw[i+1]=invpw[i]*_invbase;
			invpw1[i+1]=invpw1[i]*_invbase1;
			hshmint x=(int)(s[i]-'a'+1);
			hshmint1 x1=(int)(s[i]-'a'+1);
			hsh[i+1]={hsh[i].fi+pw[i]*x,hsh[i].se+pw1[i]*x1};
		}
	}
	pair<ll,ll> get(int l,int r){ 
		// from - to , inclusive
		hshmint _f=invpw[l]*(hsh[r+1].fi-hsh[l].fi);
		hshmint1 _s=invpw1[l]*(hsh[r+1].se-hsh[l].se);
		return {_f.x,_s.x};	
	}
};

ll f[3011][3011],g[3011][3011];

int nxt[3011][3011];

signed main(){
_3rfKJyA;
	int n;
	cin>>n;
	
	string s;
	cin>>s;
	
	ll c0,c1,c2;
	cin>>c0>>c1>>c2;
 
	using pll=pair<ll,ll>;
	rollhsh nahsh(s);
	vec(vec(pll)) qol(n,vec(pll)(n));
	vec(pll) rbts;
	rep(i,n){
		rng(j,i,n){
			nxt[i][j]=-1;
			qol[i][j]=nahsh.get(i,j);
			rbts.pb(qol[i][j]);
		}
	}
	sort(rbts.begin(),rbts.end());
	rbts.erase(unique(rbts.begin(),rbts.end()));

	vec(vi) ids(n,vi(n));
	rep(i,n){
		rng(j,i,n){
			ids[i][j]=lower_bound(rbts.begin(),rbts.end(),qol[i][j])-rbts.begin();
		}
	}

	vi ptr(sz(rbts)+1);
	for(int len=1;len<=n;len++){
		for(int i=0;i<n;i++){
			if(i+len-1>=n) break;
			int id=ids[i][i+len-1];
			// assert(id!=-1);
			while(ptr[id]+len-1<i){
				if(qol[ptr[id]][ptr[id]+len-1].fi==qol[i][i+len-1].fi 
					and qol[ptr[id]][ptr[id]+len-1].se==qol[i][i+len-1].se){
					nxt[ptr[id]][ptr[id]+len-1]=i;
				}
				ptr[id]+=1;
			}
		}
	}
 
 	rep(i,n+1)rep(j,n+1)f[i][j]=8e18;

	for(int len=1;len<=n;len++){
		for(int i=0;i<n;i++){
			if(i+len-1>=n){
				break;
			}
			int j=i+len-1;
			if(len>1){
				g[i][j]=min({g[i][j],g[i+1][j],g[i][j-1]});
			}

			f[i][j]=min(f[i][j],1ll*len*c0+g[i][j]);
 
			ll cnt=1;
			int nj=i;
			while(1){
				g[i][nj+len-1]=min(g[i][nj+len-1],-1ll*len*c0*cnt+1ll*cnt*c2+f[i][i+len-1]+c1);
				nj=nxt[nj][nj+len-1];
				if(nj==-1) break;
				cnt+=1;
			}
		}
	}
	print(f[0][n-1]);
//	
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 933 ms 166468 KB Output is correct
4 Correct 1045 ms 192632 KB Output is correct
5 Correct 1428 ms 223224 KB Output is correct
6 Correct 1724 ms 258192 KB Output is correct
7 Correct 2044 ms 299352 KB Output is correct
8 Correct 2239 ms 299228 KB Output is correct
9 Correct 2366 ms 299348 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 856 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 484 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 476 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 852 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 852 KB Output is correct
26 Correct 1 ms 872 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 852 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 596 KB Output is correct
39 Correct 1 ms 852 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 484 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 476 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 852 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 852 KB Output is correct
26 Correct 1 ms 872 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 852 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 596 KB Output is correct
39 Correct 1 ms 852 KB Output is correct
40 Correct 3 ms 1748 KB Output is correct
41 Correct 6 ms 4560 KB Output is correct
42 Correct 9 ms 4624 KB Output is correct
43 Correct 10 ms 4664 KB Output is correct
44 Correct 11 ms 4560 KB Output is correct
45 Correct 9 ms 4560 KB Output is correct
46 Correct 11 ms 4616 KB Output is correct
47 Correct 8 ms 4532 KB Output is correct
48 Correct 10 ms 4608 KB Output is correct
49 Correct 9 ms 4624 KB Output is correct
50 Correct 9 ms 4560 KB Output is correct
51 Correct 9 ms 4560 KB Output is correct
52 Correct 8 ms 4560 KB Output is correct
53 Correct 11 ms 4560 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 484 KB Output is correct
15 Correct 1 ms 724 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 476 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 852 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 852 KB Output is correct
25 Correct 1 ms 852 KB Output is correct
26 Correct 1 ms 872 KB Output is correct
27 Correct 1 ms 852 KB Output is correct
28 Correct 1 ms 852 KB Output is correct
29 Correct 1 ms 852 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 852 KB Output is correct
32 Correct 1 ms 852 KB Output is correct
33 Correct 1 ms 852 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 596 KB Output is correct
39 Correct 1 ms 852 KB Output is correct
40 Correct 3 ms 1748 KB Output is correct
41 Correct 6 ms 4560 KB Output is correct
42 Correct 9 ms 4624 KB Output is correct
43 Correct 10 ms 4664 KB Output is correct
44 Correct 11 ms 4560 KB Output is correct
45 Correct 9 ms 4560 KB Output is correct
46 Correct 11 ms 4616 KB Output is correct
47 Correct 8 ms 4532 KB Output is correct
48 Correct 10 ms 4608 KB Output is correct
49 Correct 9 ms 4624 KB Output is correct
50 Correct 9 ms 4560 KB Output is correct
51 Correct 9 ms 4560 KB Output is correct
52 Correct 8 ms 4560 KB Output is correct
53 Correct 11 ms 4560 KB Output is correct
54 Correct 60 ms 14452 KB Output is correct
55 Correct 227 ms 55680 KB Output is correct
56 Correct 596 ms 55688 KB Output is correct
57 Correct 565 ms 55692 KB Output is correct
58 Correct 574 ms 55588 KB Output is correct
59 Correct 561 ms 55600 KB Output is correct
60 Correct 521 ms 55648 KB Output is correct
61 Correct 397 ms 55696 KB Output is correct
62 Correct 236 ms 55688 KB Output is correct
63 Correct 431 ms 55572 KB Output is correct
64 Correct 393 ms 55628 KB Output is correct
65 Correct 339 ms 55776 KB Output is correct
66 Correct 350 ms 55600 KB Output is correct
67 Correct 524 ms 55700 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 933 ms 166468 KB Output is correct
14 Correct 1045 ms 192632 KB Output is correct
15 Correct 1428 ms 223224 KB Output is correct
16 Correct 1724 ms 258192 KB Output is correct
17 Correct 2044 ms 299352 KB Output is correct
18 Correct 2239 ms 299228 KB Output is correct
19 Correct 2366 ms 299348 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 856 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 484 KB Output is correct
32 Correct 1 ms 724 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 476 KB Output is correct
36 Correct 1 ms 596 KB Output is correct
37 Correct 1 ms 512 KB Output is correct
38 Correct 1 ms 860 KB Output is correct
39 Correct 1 ms 852 KB Output is correct
40 Correct 1 ms 852 KB Output is correct
41 Correct 1 ms 852 KB Output is correct
42 Correct 1 ms 852 KB Output is correct
43 Correct 1 ms 872 KB Output is correct
44 Correct 1 ms 852 KB Output is correct
45 Correct 1 ms 852 KB Output is correct
46 Correct 1 ms 852 KB Output is correct
47 Correct 1 ms 852 KB Output is correct
48 Correct 1 ms 852 KB Output is correct
49 Correct 1 ms 852 KB Output is correct
50 Correct 1 ms 852 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 1 ms 596 KB Output is correct
56 Correct 1 ms 852 KB Output is correct
57 Correct 3 ms 1748 KB Output is correct
58 Correct 6 ms 4560 KB Output is correct
59 Correct 9 ms 4624 KB Output is correct
60 Correct 10 ms 4664 KB Output is correct
61 Correct 11 ms 4560 KB Output is correct
62 Correct 9 ms 4560 KB Output is correct
63 Correct 11 ms 4616 KB Output is correct
64 Correct 8 ms 4532 KB Output is correct
65 Correct 10 ms 4608 KB Output is correct
66 Correct 9 ms 4624 KB Output is correct
67 Correct 9 ms 4560 KB Output is correct
68 Correct 9 ms 4560 KB Output is correct
69 Correct 8 ms 4560 KB Output is correct
70 Correct 11 ms 4560 KB Output is correct
71 Correct 60 ms 14452 KB Output is correct
72 Correct 227 ms 55680 KB Output is correct
73 Correct 596 ms 55688 KB Output is correct
74 Correct 565 ms 55692 KB Output is correct
75 Correct 574 ms 55588 KB Output is correct
76 Correct 561 ms 55600 KB Output is correct
77 Correct 521 ms 55648 KB Output is correct
78 Correct 397 ms 55696 KB Output is correct
79 Correct 236 ms 55688 KB Output is correct
80 Correct 431 ms 55572 KB Output is correct
81 Correct 393 ms 55628 KB Output is correct
82 Correct 339 ms 55776 KB Output is correct
83 Correct 350 ms 55600 KB Output is correct
84 Correct 524 ms 55700 KB Output is correct
85 Correct 2048 ms 127188 KB Output is correct
86 Execution timed out 3102 ms 205836 KB Time limit exceeded
87 Halted 0 ms 0 KB -