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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#403666#5312. Levenshtein DistanceqwqUwU_WA 693ms12816kbC++172.6kb2024-05-02 17:02:262024-05-02 17:02:27

Judging History

你现在查看的是最新测评结果

  • [2024-05-02 17:02:27]
  • 评测
  • 测评结果:WA
  • 用时:693ms
  • 内存:12816kb
  • [2024-05-02 17:02:26]
  • 提交

answer

// clang-format off
#include<bits/stdc++.h>
#define pb push_back
#define P make_pair
#define fi first
#define se second
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
using namespace std;
typedef long long ll; 
typedef unsigned long long ull; 
typedef pair<int,int> pii; typedef pair<ll,int> pli; typedef pair<ll,ll> pll; typedef pair<int,ll> pil;
inline ll read(){
	ll x=0,f=1,c=getchar();
	while(c<'0'||c>'9')f=(c=='-'?-1:1),c=getchar();
	while(c>='0'&&c<='9')x=(x<<1)+(x<<3)+(c^48),c=getchar();
	return x*f;
}
const int N=1e5+3;
// clang-format on
int n,m,K;
char S[N],T[N];
int A[N<<1];
int sa[N<<1],rk[N<<1],st[18][N<<1];
inline int lcp(int i,int j){
	if(i>n||j>m)return 0;
	i=rk[i],j=rk[j+n+1];
	if(i>j)swap(i,j);
	int k=__lg(j-i++);
	return min(st[k][i],st[k][j-(1<<k)+1]);
}
int main() {
    //freopen("data.in", "r", stdin);
    // freopen(".in","r",stdin);
    // freopen("myans.out","w",stdout);
	K=read();scanf("%s",S+1),n=strlen(S+1);
	scanf("%s",T+1);m=strlen(T+1);
	rep(i,1,n)A[i]=S[i];A[n+1]=32;
	rep(i,1,m)A[n+1+i]=T[i];
	static int cnt[N<<1];int len=n+m+1,lim=127;
	rep(i,1,len)++cnt[rk[i]=A[i]];
	rep(i,1,lim)cnt[i] += cnt[i-1];
	per(i,len,1)sa[cnt[rk[i]]--]=i;
	for(int w=1,p=0;w<=len;w<<=1,lim=p,p=0){
		static int id[N<<1];
		per(i,len,len-w+1)id[++p]=i;
		rep(i,1,len)if(sa[i]>w)id[++p]=sa[i]-w;
		memset(cnt,0,sizeof cnt);
		rep(i,1,len)++cnt[rk[id[i]]];
		rep(i,1,lim)cnt[i] += cnt[i-1];
		per(i,len,1)sa[cnt[rk[id[i]]]--]=id[i],id[i]=0;
		static int tmp[N<<1];swap(tmp,rk);
		p=0;rep(i,1,len)rk[sa[i]]=(tmp[sa[i]]==tmp[sa[i-1]]&&tmp[sa[i]+w]==tmp[sa[i-1]+w]?p:++p);
		if(p==n)break;
	}
	rep(i,1,len){
		if(rk[i]==1)continue;
		int &k=st[0][rk[i]]=max(0,st[0][rk[i-1]]-1);
		while(A[i+k]==A[sa[rk[i]-1]+k])++k;
	}
	rep(j,1,17)rep(i,1,len-(1<<j)+1)st[j][i]=min(st[j-1][i],st[j-1][i+(1<<(j-1))]);
	static int f[33][63],ans[33];
	rep(k,0,m-1){
		memset(f,0xfe,sizeof f);
		f[0][K]=lcp(1,k+1);
		//rep(i,1,min(K,n))f[i][K-i]=lcp(i+1,k+1)+i;
		//rep(i,1,min(K,m-k))f[i][K+i]=lcp(1,k+i+1);
		rep(v,0,K-1)rep(d,-min(K,n-1),min(K,m-k)){
			int i=f[v][d+K],j=i+d;
			if(i<0||j<0)continue;
			if(j<m-k)f[v+1][d+K+1]=max(f[v+1][d+K+1],f[v][d+K]+lcp(i+1,k+j+2));
			if(i<n)f[v+1][d+K-1]=max(f[v+1][d+K-1],f[v][d+K]+1+lcp(i+2,k+j+1));
			if(i<n&&j<m-k)f[v+1][d+K]=max(f[v+1][d+K],f[v][d+K]+1+lcp(i+2,k+j+2));
		}
		rep(d,-min(K,n-1),min(K,m-n-k)) rep(v,0,K)if(f[v][d+K]>=n){++ans[v];break;}
		rep(d,-min(K,n-1),f[0][K]-n-1)++ans[-d];
	}
	rep(i,0,K)printf("%d\n",ans[i]);
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 6092kb

input:

4
aaa
aabbaab

output:

0
5
15
7
1

result:

ok 5 number(s): "0 5 15 7 1"

Test #2:

score: 0
Accepted
time: 693ms
memory: 12688kb

input:

30
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

ok 31 numbers

Test #3:

score: -100
Wrong Answer
time: 292ms
memory: 12816kb

input:

30
BBAAABAABBBA
ABBABBBBAABAAAABABBBAABAABBAABAAAAAABAABABBAAAABAAAAABABAABAABBABBAAAABBBBAABBABAAABAABAABBBBBABBABABBBBABBBBAAABBABABBBBAAABBBBAAAABABABABABABABAAABBBBBAABAABAABBAABBBAABBBBBBBABAABAABAABABAABAAABAABBBAABABBABBAAABAAAABABABBABBBAAABBBAAAABBBBABABABAABAABBBBBBBBBAABBBABABBBABAABBABBA...

output:

17
662
7733
45232
144312
265981
305388
240835
163242
128831
124386
131128
105164
102167
99782
97735
96062
94732
93635
92721
92060
91525
91143
90831
90585
90419
90288
90200
90120
90068
90035

result:

wrong answer 3rd numbers differ - expected: '8230', found: '7733'