oj.uz

답안 #201737

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
201737 2020-02-11T21:18:13 Z mdn2002 Savez (COCI15_savez) C++14
0 / 120
 1000 ms 23580 KB 
#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
vector<string>s;
map<string,vector<int> >mp;
map<string,int>dp,on;
int n;
int f(int x)
{
    if(on[s[x]]!=0)return dp[s[x]];
    int ans=0;
    for(int i=0;i<mp[s[x]].size();i++)
    {
        int to=mp[s[x]][i];
        if(x>=to)continue;
        ans=max(ans,f(to)+1);
    }
    on[s[x]]++;
    return dp[s[x]]=ans;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen("empty.in","r",stdin);
    //freopen("empty.out","w",stdout);
    cin>>n;
    for(int k=0;k<n;k++)
    {
        string st,pr,sf;
        cin>>st;
        for(int i=0,j=st.size()-1;i<st.size();i++,j--)
        {
            pr.push_back(st[i]);
            sf.push_back(st[j]);
            if(pr==sf)mp[pr].push_back(k);
        }
        s.push_back(st);
    }
    int ans=0;
    for(int i=0;i<n;i++)ans=max(ans,f(i)+1);
    cout<<ans;
}

Compilation message

savez.cpp: In function 'int f(int)':
savez.cpp:12:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<mp[s[x]].size();i++)
                 ~^~~~~~~~~~~~~~~~
savez.cpp: In function 'int main()':
savez.cpp:33:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0,j=st.size()-1;i<st.size();i++,j--)
                                   ~^~~~~~~~~~

Subtask #1
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 380 KB Output is correct
2 Incorrect 5 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Incorrect 14 ms 760 KB Output isn't correct

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1091 ms 8824 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 27 ms 2168 KB Output is correct
2 Execution timed out 1084 ms 23580 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1085 ms 7724 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1087 ms 8044 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1076 ms 9212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1084 ms 10596 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1058 ms 15512 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1025 ms 22508 KB Time limit exceeded
2 Halted 0 ms 0 KB -