Submission #340340

#	Time	Username	Problem	Language	Result	Execution time	Memory
340340		beksultan04	Round words (IZhO13_rowords)	C++14	24 / 100	2097 ms	11884 KiB

rowords

#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
const int N = 3e5+12,INF=100500;
int q[N],n,m;
int dp[2001][2001];
 
int fun(deque<char> &a,deque<char> &b){
 
    int i,j;
    for (i=1;i<=n;++i){
        for (j=1;j<=m;++j){
            dp[i][j] = max(dp[i][j-1],dp[i-1][j]);
            if (a[i-1]==b[j-1]){
                dp[i][j] = max(dp[i][j],dp[i-1][j-1]+1);
            }
        }
    }
    ret dp[n][m];
}
 
void rev(deque <char> &a){
    a.pb(a[0]);
    a.pop_front();
}
 
main(){
    deque<char> a,b;
    string ss,s;
    cin>>ss>>s;
    n = ss.size();m = s.size();
    int i,j;
    for (i=0;i<n;++i){
        a.pb(ss[i]);
    }
    for (i=0;i<m;++i){
        b.pb(s[i]);
    }
 
    int ans = fun(a,b);
    for (i=0;i<n;++i){
        rev(a);
        ans = max(ans,fun(a,b));
    }
    reverse(all(b));
    for (i=0;i<n;++i){
        rev(a);
        ans = max(ans,fun(a,b));
    }
 
 
    cout <<ans;
}

Compilation message (stderr)

rowords.cpp:43:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   43 | main(){
      |      ^
rowords.cpp: In function 'int main()':
rowords.cpp:48:11: warning: unused variable 'j' [-Wunused-variable]
   48 |     int i,j;
      |           ^

• Subtask 1: 24 / 100