Submission #51640

#	Time	Username	Problem	Language	Result	Execution time	Memory
51640		okaybody10	구간 성분 (KOI15_interval)	C++98	61 / 100	1052 ms	172020 KiB

interval

#include <iostream>
#include <vector>
#include <set>
using namespace std;
typedef vector<int> vi;
set<vi> gg;
int main()
{
    cin.tie(NULL); ios::sync_with_stdio(false);
    string s1,s2; cin>>s1>>s2;
    int l1=s1.size(),l2=s2.size();
    for(int i=l1;i>0;i--)
    {
        vi alpha(26);
        int s=0,e=i-1;
        for(int j=s;j<=e;j++) alpha[s1[j]-'a']++;
        while(e<l1)
        {
            gg.insert(alpha);
            if(++e<l1) alpha[s1[e]-'a']++,alpha[s1[s++]-'a']--;
        }
    }
    for(int i=l2;i>0;i--)
    {
        vi alpha(26);
        int s=0,e=i-1;
        for(int j=s;j<=e;j++) alpha[s2[j]-'a']++;
        while(e<l2)
        {
            if(gg.find(alpha)!=gg.end()) { cout<<i; return 0;}
            if(++e<l2) alpha[s2[e]-'a']++,alpha[s2[s++]-'a']--;
        }
    }
    cout<<0;
    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 31 / 31
• Subtask 4: 0 / 39