제출 #439293

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
439293		Haidara	Round words (IZhO13_rowords)	C++17	0 / 100	2106 ms	125888 KiB

rowords

/* * * * * * * * * *
 *   ID: Haidara   *
 *   LANG: C++17   *
 *   PROB:         *
 * * * * * * * * * */
#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define int long long
#define rep(i,x,n) for(int i=x;i<n;i++)
#define FOR(i,n) rep(i,0,n)
#define per(i,x,n) for(int i=x;i>n;i--)
#define ROF(i,x) for(int i=x;i>=0;i--)
#define v(i) vector< i >
#define p(i,j) pair< i , j >
#define pii pair<int,int>
#define m(i,j) map< i , j >
#define pq(i) priority_queue< i >
#define ff first
#define all(x) x.begin(),x.end()
#define ss second
#define pp push_back
using namespace std;
void SIO(string name="")
{
    if(name!="")
    {
        freopen((name+".in").c_str(),"r",stdin);
        freopen((name+".out").c_str(),"w",stdout);
    }
}
const int inf=1LL<<60LL;
const int mod=1e9+7;
const int maxn=4004;
signed main()
{
    SIO("");
    string sss,ll;
    cin>>sss>>ll;
    sss+=sss;
    ll+=ll;
    int n=sss.size(),m=ll.size();
    int ans=0;
    FOR(str1,n)
    FOR(str2,m)
    {
        string s=sss.substr(str1,n/2),l=ll.substr(str2/2);
        int dp[maxn][maxn]{};
        rep(i,1,n/2+1)
        rep(j,1,m/2+1)
        if(s[i-1]==l[j-1])
            dp[i][j]=dp[i-1][j-1]+1;
        else
            dp[i][j]=max(dp[i-1][j],dp[i][j-1]);
        ans=max(ans,dp[n/2][m/2]);
    }
    cout<<ans;
}

컴파일 시 표준 에러 (stderr) 메시지

rowords.cpp: In function 'void SIO(std::string)':
rowords.cpp:27:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         freopen((name+".in").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rowords.cpp:28:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen((name+".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100