답안 #548226

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
548226 2022-04-12T18:17:55 Z inksamurai Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
3000 ms 274776 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()));
	
	assert(sz(rbts)<=n*n);

	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=lower_bound(rbts.begin(),rbts.end(),qol[i][i+len-1])-rbts.begin();
			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;
}
# 결과 실행 시간 메모리 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 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 476 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 513 ms 153356 KB Output is correct
4 Correct 592 ms 177284 KB Output is correct
5 Correct 773 ms 205148 KB Output is correct
6 Correct 920 ms 237256 KB Output is correct
7 Correct 1099 ms 274724 KB Output is correct
8 Correct 1069 ms 274776 KB Output is correct
9 Correct 1079 ms 274776 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 0 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 852 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 476 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 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 724 KB Output is correct
14 Correct 1 ms 468 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 468 KB Output is correct
19 Correct 0 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 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 852 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 856 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 856 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
# 결과 실행 시간 메모리 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 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 476 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 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 724 KB Output is correct
14 Correct 1 ms 468 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 468 KB Output is correct
19 Correct 0 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 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 852 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 856 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 856 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 2 ms 1748 KB Output is correct
41 Correct 5 ms 4432 KB Output is correct
42 Correct 7 ms 4496 KB Output is correct
43 Correct 8 ms 4432 KB Output is correct
44 Correct 8 ms 4432 KB Output is correct
45 Correct 7 ms 4496 KB Output is correct
46 Correct 7 ms 4432 KB Output is correct
47 Correct 6 ms 4428 KB Output is correct
48 Correct 8 ms 4432 KB Output is correct
49 Correct 7 ms 4432 KB Output is correct
50 Correct 7 ms 4432 KB Output is correct
51 Correct 7 ms 4436 KB Output is correct
52 Correct 7 ms 4432 KB Output is correct
53 Correct 7 ms 4432 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 476 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 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 724 KB Output is correct
14 Correct 1 ms 468 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 468 KB Output is correct
19 Correct 0 ms 596 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 852 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 852 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 856 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 856 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 2 ms 1748 KB Output is correct
41 Correct 5 ms 4432 KB Output is correct
42 Correct 7 ms 4496 KB Output is correct
43 Correct 8 ms 4432 KB Output is correct
44 Correct 8 ms 4432 KB Output is correct
45 Correct 7 ms 4496 KB Output is correct
46 Correct 7 ms 4432 KB Output is correct
47 Correct 6 ms 4428 KB Output is correct
48 Correct 8 ms 4432 KB Output is correct
49 Correct 7 ms 4432 KB Output is correct
50 Correct 7 ms 4432 KB Output is correct
51 Correct 7 ms 4436 KB Output is correct
52 Correct 7 ms 4432 KB Output is correct
53 Correct 7 ms 4432 KB Output is correct
54 Correct 39 ms 13652 KB Output is correct
55 Correct 133 ms 51652 KB Output is correct
56 Correct 346 ms 51652 KB Output is correct
57 Correct 359 ms 51748 KB Output is correct
58 Correct 385 ms 51748 KB Output is correct
59 Correct 350 ms 51648 KB Output is correct
60 Correct 357 ms 51724 KB Output is correct
61 Correct 276 ms 51748 KB Output is correct
62 Correct 153 ms 51748 KB Output is correct
63 Correct 309 ms 51752 KB Output is correct
64 Correct 297 ms 51652 KB Output is correct
65 Correct 262 ms 51744 KB Output is correct
66 Correct 253 ms 51648 KB Output is correct
67 Correct 362 ms 51756 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 476 KB Output is correct
7 Correct 0 ms 468 KB Output is correct
8 Correct 0 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 0 ms 468 KB Output is correct
13 Correct 513 ms 153356 KB Output is correct
14 Correct 592 ms 177284 KB Output is correct
15 Correct 773 ms 205148 KB Output is correct
16 Correct 920 ms 237256 KB Output is correct
17 Correct 1099 ms 274724 KB Output is correct
18 Correct 1069 ms 274776 KB Output is correct
19 Correct 1079 ms 274776 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 0 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 852 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 724 KB Output is correct
31 Correct 1 ms 468 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 468 KB Output is correct
36 Correct 0 ms 596 KB Output is correct
37 Correct 1 ms 468 KB Output is correct
38 Correct 1 ms 852 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 852 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 856 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 856 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 2 ms 1748 KB Output is correct
58 Correct 5 ms 4432 KB Output is correct
59 Correct 7 ms 4496 KB Output is correct
60 Correct 8 ms 4432 KB Output is correct
61 Correct 8 ms 4432 KB Output is correct
62 Correct 7 ms 4496 KB Output is correct
63 Correct 7 ms 4432 KB Output is correct
64 Correct 6 ms 4428 KB Output is correct
65 Correct 8 ms 4432 KB Output is correct
66 Correct 7 ms 4432 KB Output is correct
67 Correct 7 ms 4432 KB Output is correct
68 Correct 7 ms 4436 KB Output is correct
69 Correct 7 ms 4432 KB Output is correct
70 Correct 7 ms 4432 KB Output is correct
71 Correct 39 ms 13652 KB Output is correct
72 Correct 133 ms 51652 KB Output is correct
73 Correct 346 ms 51652 KB Output is correct
74 Correct 359 ms 51748 KB Output is correct
75 Correct 385 ms 51748 KB Output is correct
76 Correct 350 ms 51648 KB Output is correct
77 Correct 357 ms 51724 KB Output is correct
78 Correct 276 ms 51748 KB Output is correct
79 Correct 153 ms 51748 KB Output is correct
80 Correct 309 ms 51752 KB Output is correct
81 Correct 297 ms 51652 KB Output is correct
82 Correct 262 ms 51744 KB Output is correct
83 Correct 253 ms 51648 KB Output is correct
84 Correct 362 ms 51756 KB Output is correct
85 Correct 1539 ms 117404 KB Output is correct
86 Execution timed out 3072 ms 181276 KB Time limit exceeded
87 Halted 0 ms 0 KB -