oj.uz

Submission #340355

# Submission time Handle Problem Language Result Execution time Memory
340355 2020-12-27T13:22:51 Z beksultan04 Round words (IZhO13_rowords) C++14
44 / 100
 2000 ms 9060 KB 
#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 = 1e5+12,INF=1e9+7;
int dp[2001][2001];
main(){
    string a,b;
    int i,j,n,y,m,cnt=0;
    cin>>a>>b;
    n = a.size();
    m = b.size();

    if (n > m){
        swap(n,m);
        swap(a,b);
    }

    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);
            }
        }
    }
    int ans = dp[n][m];
    for (y=0;y<n;++y){


        a.pb(a[0]);
        a.erase(a.begin());

        for (i=1;i<=n;++i){
            for (j=1;j<=m;++j){
                dp[i][j] = max(dp[i][j-1],dp[i-1][j]);cnt++;
                if (a[i-1]==b[j-1]){
                    dp[i][j] = max(dp[i][j],dp[i-1][j-1]+1);
                }
            }
        }
        ans = max(ans,dp[n][m]);
        if (cnt > 4e8){
            cout <<ans;
            ret 0;
        }
    }
    reverse(all(b));
    for (y=0;y<n;++y){


        a.pb(a[0]);
        a.erase(a.begin());

        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);
                }
            }
        }

        ans = max(ans,dp[n][m]);
    }


    cout <<ans;
}

Compilation message

rowords.cpp:22:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   22 | main(){
      |      ^

Subtask #1
44.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 83 ms 1132 KB Output is correct
7 Correct 1589 ms 8300 KB Output is correct
8 Incorrect 1816 ms 8172 KB Output isn't correct
9 Incorrect 1697 ms 8172 KB Output isn't correct
10 Incorrect 1613 ms 8212 KB Output isn't correct
11 Incorrect 1583 ms 8172 KB Output isn't correct
12 Execution timed out 2009 ms 8684 KB Time limit exceeded
13 Incorrect 1654 ms 8684 KB Output isn't correct
14 Incorrect 1652 ms 8172 KB Output isn't correct
15 Incorrect 1612 ms 9060 KB Output isn't correct
16 Incorrect 1836 ms 8392 KB Output isn't correct
17 Incorrect 1596 ms 4848 KB Output isn't correct
18 Incorrect 1585 ms 7196 KB Output isn't correct
19 Incorrect 1614 ms 8212 KB Output isn't correct
20 Incorrect 1734 ms 7228 KB Output isn't correct
21 Correct 303 ms 1644 KB Output is correct
22 Correct 884 ms 2340 KB Output is correct
23 Correct 1725 ms 3128 KB Output is correct
24 Correct 1808 ms 3128 KB Output is correct
25 Incorrect 1576 ms 3912 KB Output isn't correct