Submission #439288

# Submission time Handle Problem Language Result Execution time Memory
439288 2021-06-29T13:37:32 Z Haidara Round words (IZhO13_rowords) C++17
16 / 100
47 ms 53188 KB
/* * * * * * * * * *
 *   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;
int dp[maxn][maxn];
signed main()
{
    SIO("");
    string s,l;
    cin>>s>>l;
    s+=s;
    l+=l;
    int n=s.size(),m=l.size();
    rep(i,1,n+1)
        rep(j,1,m+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]);
    int ans=0;
    rep(i,1,n/2+1)
        rep(j,1,m/2+1)
            ans=max(dp[i+n/2][j+m/2]-dp[i][j],ans);
    cout<<ans;
}

Compilation message

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);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Incorrect 1 ms 588 KB Output isn't correct
6 Incorrect 9 ms 11468 KB Output isn't correct
7 Correct 40 ms 39588 KB Output is correct
8 Incorrect 29 ms 39628 KB Output isn't correct
9 Incorrect 36 ms 39628 KB Output isn't correct
10 Incorrect 34 ms 39648 KB Output isn't correct
11 Incorrect 40 ms 43552 KB Output isn't correct
12 Incorrect 35 ms 50128 KB Output isn't correct
13 Incorrect 47 ms 50044 KB Output isn't correct
14 Incorrect 41 ms 45264 KB Output isn't correct
15 Incorrect 46 ms 53132 KB Output isn't correct
16 Incorrect 32 ms 43428 KB Output isn't correct
17 Incorrect 33 ms 37908 KB Output isn't correct
18 Incorrect 46 ms 53188 KB Output isn't correct
19 Incorrect 37 ms 39628 KB Output isn't correct
20 Incorrect 39 ms 47564 KB Output isn't correct
21 Incorrect 19 ms 21976 KB Output isn't correct
22 Incorrect 26 ms 28876 KB Output isn't correct
23 Incorrect 32 ms 34576 KB Output isn't correct
24 Incorrect 30 ms 36420 KB Output isn't correct
25 Incorrect 37 ms 44664 KB Output isn't correct