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답안 #548213

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
548213 2022-04-12T18:01:26 Z inksamurai Copy and Paste 3 (JOI22_copypaste3) C++17
62 / 100
 3000 ms 282236 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};	
	}
};

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){
			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) nxt(n+1,vi(n+1,-1));
	vi ptr(sz(rbts)+11);
	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;
			}
		}
	}

	// cout<<nxt[2][3]<<"\n";

	const int inf=numeric_limits<int>::max();

	vec(vec(ll)) f(n,vec(ll)(n,inf)),g;
	g=f;
	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]=len*c0;
			if(g[i][j]!=inf){
				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;
				// assert(cnt<=n/len);
			}
		}
	}

	print(f[0][n-1]);
//	
	return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 541 ms 151248 KB Output is correct
4 Correct 677 ms 176696 KB Output is correct
5 Correct 884 ms 206640 KB Output is correct
6 Correct 1048 ms 241340 KB Output is correct
7 Correct 1296 ms 282236 KB Output is correct
8 Correct 1228 ms 282212 KB Output is correct
9 Correct 1245 ms 282212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 340 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 0 ms 340 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 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 468 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 0 ms 340 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 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 468 KB Output is correct
40 Correct 1 ms 724 KB Output is correct
41 Correct 4 ms 2256 KB Output is correct
42 Correct 7 ms 2184 KB Output is correct
43 Correct 7 ms 2256 KB Output is correct
44 Correct 7 ms 2180 KB Output is correct
45 Correct 9 ms 2256 KB Output is correct
46 Correct 10 ms 2256 KB Output is correct
47 Correct 7 ms 2300 KB Output is correct
48 Correct 9 ms 2220 KB Output is correct
49 Correct 8 ms 2256 KB Output is correct
50 Correct 8 ms 2256 KB Output is correct
51 Correct 7 ms 2256 KB Output is correct
52 Correct 7 ms 2256 KB Output is correct
53 Correct 8 ms 2256 KB Output is correct

Subtask #5
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 352 KB Output is correct
12 Correct 0 ms 468 KB Output is correct
13 Correct 0 ms 468 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 468 KB Output is correct
20 Correct 0 ms 340 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 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 468 KB Output is correct
40 Correct 1 ms 724 KB Output is correct
41 Correct 4 ms 2256 KB Output is correct
42 Correct 7 ms 2184 KB Output is correct
43 Correct 7 ms 2256 KB Output is correct
44 Correct 7 ms 2180 KB Output is correct
45 Correct 9 ms 2256 KB Output is correct
46 Correct 10 ms 2256 KB Output is correct
47 Correct 7 ms 2300 KB Output is correct
48 Correct 9 ms 2220 KB Output is correct
49 Correct 8 ms 2256 KB Output is correct
50 Correct 8 ms 2256 KB Output is correct
51 Correct 7 ms 2256 KB Output is correct
52 Correct 7 ms 2256 KB Output is correct
53 Correct 8 ms 2256 KB Output is correct
54 Correct 56 ms 9440 KB Output is correct
55 Correct 134 ms 45652 KB Output is correct
56 Correct 504 ms 45636 KB Output is correct
57 Correct 495 ms 45532 KB Output is correct
58 Correct 520 ms 45604 KB Output is correct
59 Correct 497 ms 45524 KB Output is correct
60 Correct 504 ms 45524 KB Output is correct
61 Correct 389 ms 45524 KB Output is correct
62 Correct 133 ms 45628 KB Output is correct
63 Correct 425 ms 45524 KB Output is correct
64 Correct 415 ms 45644 KB Output is correct
65 Correct 317 ms 45524 KB Output is correct
66 Correct 349 ms 45628 KB Output is correct
67 Correct 482 ms 45524 KB Output is correct

Subtask #6
0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 541 ms 151248 KB Output is correct
14 Correct 677 ms 176696 KB Output is correct
15 Correct 884 ms 206640 KB Output is correct
16 Correct 1048 ms 241340 KB Output is correct
17 Correct 1296 ms 282236 KB Output is correct
18 Correct 1228 ms 282212 KB Output is correct
19 Correct 1245 ms 282212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 352 KB Output is correct
29 Correct 0 ms 468 KB Output is correct
30 Correct 0 ms 468 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 468 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 468 KB Output is correct
57 Correct 1 ms 724 KB Output is correct
58 Correct 4 ms 2256 KB Output is correct
59 Correct 7 ms 2184 KB Output is correct
60 Correct 7 ms 2256 KB Output is correct
61 Correct 7 ms 2180 KB Output is correct
62 Correct 9 ms 2256 KB Output is correct
63 Correct 10 ms 2256 KB Output is correct
64 Correct 7 ms 2300 KB Output is correct
65 Correct 9 ms 2220 KB Output is correct
66 Correct 8 ms 2256 KB Output is correct
67 Correct 8 ms 2256 KB Output is correct
68 Correct 7 ms 2256 KB Output is correct
69 Correct 7 ms 2256 KB Output is correct
70 Correct 8 ms 2256 KB Output is correct
71 Correct 56 ms 9440 KB Output is correct
72 Correct 134 ms 45652 KB Output is correct
73 Correct 504 ms 45636 KB Output is correct
74 Correct 495 ms 45532 KB Output is correct
75 Correct 520 ms 45604 KB Output is correct
76 Correct 497 ms 45524 KB Output is correct
77 Correct 504 ms 45524 KB Output is correct
78 Correct 389 ms 45524 KB Output is correct
79 Correct 133 ms 45628 KB Output is correct
80 Correct 425 ms 45524 KB Output is correct
81 Correct 415 ms 45644 KB Output is correct
82 Correct 317 ms 45524 KB Output is correct
83 Correct 349 ms 45628 KB Output is correct
84 Correct 482 ms 45524 KB Output is correct
85 Correct 1931 ms 113320 KB Output is correct
86 Execution timed out 3085 ms 184088 KB Time limit exceeded
87 Halted 0 ms 0 KB -