oj.uz

Submission #205399

# Submission time Handle Problem Language Result Execution time Memory
205399 2020-02-28T19:35:33 Z moonrabbit2 Round words (IZhO13_rowords) C++17
100 / 100
 74 ms 63480 KB 
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
typedef long long ll;
typedef long double db;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<db,db> pdb;
typedef tuple<int,int,int> tii;
typedef tuple<ll,ll,ll> tll;
typedef tuple<int,int,int,int> ti4;
typedef vector<vector<ll>> mat;
const ll mod=998244353,inf=1e18;
const int N=2005,M=1e6+5,K=1e5+5;
string s,t;
int n,m,k,V[N][2*N],H[N][2*N],res,ans;
void solve(){
    memset(V,0,sizeof(V));
    memset(H,0,sizeof(H));
    for(int i=1;i<=m;i++) H[0][i]=i;
    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++){
        if(s[i]==t[j]){
            H[i][j]=V[i][j-1];
            V[i][j]=H[i-1][j];
        } else{
            H[i][j]=max(V[i][j-1],H[i-1][j]);
            V[i][j]=min(V[i][j-1],H[i-1][j]);
        }
    }
    for(int i=1;i<=k;i++){
        ans=0;
        for(int j=i;j<=i+k-1;j++) if(H[n][j]<=i-1) ans++;
        res=max(res,ans);
    }
}
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
    cin>>s>>t;
    n=s.size(); k=t.size(); m=2*k; s=" "+s; t=" "+t+t;
    solve();
    reverse(t.begin()+1,t.begin()+1+m);
    solve();
    cout<<res;
    return 0;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 63224 KB Output is correct
2 Correct 47 ms 63224 KB Output is correct
3 Correct 45 ms 63224 KB Output is correct
4 Correct 46 ms 63228 KB Output is correct
5 Correct 46 ms 63224 KB Output is correct
6 Correct 48 ms 63224 KB Output is correct
7 Correct 66 ms 63224 KB Output is correct
8 Correct 55 ms 63224 KB Output is correct
9 Correct 59 ms 63352 KB Output is correct
10 Correct 63 ms 63224 KB Output is correct
11 Correct 66 ms 63224 KB Output is correct
12 Correct 57 ms 63224 KB Output is correct
13 Correct 68 ms 63224 KB Output is correct
14 Correct 74 ms 63480 KB Output is correct
15 Correct 69 ms 63228 KB Output is correct
16 Correct 59 ms 63224 KB Output is correct
17 Correct 62 ms 63352 KB Output is correct
18 Correct 67 ms 63224 KB Output is correct
19 Correct 69 ms 63352 KB Output is correct
20 Correct 61 ms 63224 KB Output is correct
21 Correct 50 ms 63352 KB Output is correct
22 Correct 54 ms 63352 KB Output is correct
23 Correct 57 ms 63352 KB Output is correct
24 Correct 60 ms 63352 KB Output is correct
25 Correct 62 ms 63224 KB Output is correct