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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#650310#8079. Range Periodicity QueryharlemTL 4ms32476kbC++142.1kb2024-10-18 14:33:542024-10-18 14:33:54

Judging History

你现在查看的是最新测评结果

  • [2024-10-18 14:33:54]
  • 评测
  • 测评结果:TL
  • 用时:4ms
  • 内存:32476kb
  • [2024-10-18 14:33:54]
  • 提交

answer

//优化不动了
#include<bits/stdc++.h>
using namespace std;

#define fir first
#define sec second
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,int> pli;
typedef pair<int,ll> pil;
typedef pair<ll,ll> pll;
typedef pair<int,pii> pip;
typedef vector<int> veci;
typedef vector<pii> vecp;
typedef priority_queue<int> bghp;
typedef priority_queue<int,vector<int>,greater<int> > lthp;

const int N=5e5+5;

int n,m,q;
char d[N];
veci ld[N];
string s[N];
int p[N];

bool check(int k,int w){
    if(w>s[k].size())return false;
    for(auto lw:ld[k]){
        if(w%lw==0)return true;
    }
    return false;
}

void bl(int k,int l,int r){
    int res=INT_MAX;
    for(int i=l;i<=r;i++){
        if(check(k,p[i]))res=min(res,p[i]);
    }
    if(res==INT_MAX)cout<<-1<<"\n";
    else cout<<res<<"\n";
}

void br(int k,int l,int r){
    bool pd=false;
    while(l<r){
        int m=l+r>>1;
        if(check(k,m))r=m,pd=true;
        else l=m+1;
    }
    if(!pd)cout<<-1<<"\n";
    else cout<<l<<"\n";
}


int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);
    cin>>n;
    ld[0].push_back(0);
    for(int i=1;i<=n;i++){
        cin>>d[i];
        if('a'<=d[i]){
            s[i]=d[i]+s[i-1];
            for(int j=0;j<ld[i-1].size();j++){
                int w=ld[i-1][j];
                if(w==0)continue;
                if(s[i][0]==s[i][w-1]){
                    ld[i].push_back(w);
                }
            }
            ld[i].push_back(i);
        }
        else{
            d[i]=d[i]-'A'+'a';
            s[i]=s[i-1]+d[i];
            for(int j=0;j<ld[i-1].size();j++){
                int w=ld[i-1][j];
                if(w==0)continue;
                if(s[i][i-1-w]==s[i][i-1]){
                    ld[i].push_back(w);
                }
            }
            ld[i].push_back(i);
        }
    }
    cin>>m;
    for(int i=1;i<=m;i++){
        cin>>p[i];
    }
    cin>>q;
    int k,l,r;
    while(q--){
        cin>>k>>l>>r;
        if(r-l<=100)bl(k,l,r);
        else br(k,l,r);
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 4ms
memory: 32476kb

input:

7
AABAAba
9
4 3 2 1 7 5 3 6 1
6
1 4 4
2 1 4
2 1 3
3 3 5
5 4 7
7 8 9

output:

1
1
2
-1
3
6

result:

ok 6 lines

Test #2:

score: -100
Time Limit Exceeded

input:

200000
BAbBbBabBBbbABbbaBbaaabaBBAbBbBAAAAABBaBaAAabBAAbABaaBABAabAAAbabbAaBABAbabbAAAbbbbabBBAbbBaabBAAAbBBBbBbbAbbbBabbBABaBAaAAAbBbaABabBAbAAbBbbAbAbBaabAbBBbaaaaBaBbbABBBaaabBaBABAbBabBbbAABBbaBAbaBAbAAABABAbaabbaAAaBAbAbAbBBbaaaAaBaaABBbBAAaAAAaaABbbaAbAaBbaAaaababbaBbaAAAAAAabbBaAabbbaBBAAaABb...

output:


result: