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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#733371#8334. GenezackyoungWA 1ms9716kbC++171.9kb2024-11-10 18:30:082024-11-10 18:30:10

Judging History

你现在查看的是最新测评结果

  • [2024-11-10 18:30:10]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:9716kb
  • [2024-11-10 18:30:08]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int P = 131,mod=1e9+7;
typedef pair<int,int> PII;
typedef unsigned long long ull;
int n,q,m,k,ans;
string s[310];
ull h[310][60010],h2[60010],p[60010];
void init(){
    p[0]=1;
    for(int i=1;i<=n;i++){
        h[i][1]=0;
        for(int j=1;j<=m;j++){
            h[i][j]=h[i][j-1]*P+s[i][j];
            h[i][j]%=mod;
        }
        p[i]=p[i-1]*P%mod;
    }
}
void init2(string& t){
    h2[0]=0;
    for(int i=1;i<=m;i++){
        h2[i]=h2[i-1]*P+t[i];
        h2[i]%=mod;
    }
}
ull get1(int i,int l,int r){
    return h[i][r]-h[i][l-1]*p[r-l+1];
}
ull get2(int l,int r){
    return h2[r]-h2[l-1]*p[r-l+1];
}
bool check(int i,int l,int r){
    return get1(i,l,r)==get2(l,r);
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin>>n>>q>>m>>k;
    for(int i=1;i<=n;i++){
        cin>>s[i];
        s[i]=" "+s[i];
    }
    //预处理哈希
    init();
    //处理询问
    while(q--){
        ans=0;
        string t;
        cin>>t;
        t=" "+t;
        //对每一个t进行哈希
        init2(t);
        //对哈希进行二分
        int cnt;
        for(int i=1;i<=n;i++){
            cnt=0;
            int l=1,r=m;
            while(true){
                while(l<=r){
                    int mid=(l+r)>>1;
                    if(check(i,l,mid)){
                        l=mid+1;
                    }
                    else r=mid-1;
                }
                // cout<<t<<s[i]<<" "<<l<<"\n";
                if(l>=1&&l<=m){
                	l+=1;
                	r=m;
                    cnt++;
                }else if(l==m+1){
                    break;
                }
                if(cnt>k){
                    break;
                }
            }
            if(cnt<=k){
                ans++;
            }
        }
        cout<<ans<<"\n";
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 7944kb

input:

6 4 4 1
kaki
kika
manu
nana
tepu
tero
kaka
mana
teri
anan

output:

2
2
1
0

result:

ok 4 number(s): "2 2 1 0"

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 9716kb

input:

8 6 7 3
delphis
aduncus
peronii
plumbea
clymene
hectori
griseus
electra
delphis
helpiii
perphii
clumeee
eleelea
ddlpcus

output:

1
0
1
1
1
0

result:

wrong answer 2nd numbers differ - expected: '1', found: '0'