oj.uz

Submission #340356

# Submission time Handle Problem Language Result Execution time Memory
340356 2020-12-27T13:23:07 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]);
        if (cnt > 4e8){
            cout <<ans;
            ret 0;
        }
    }


    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 1627 ms 8212 KB Output is correct
8 Incorrect 1865 ms 8212 KB Output isn't correct
9 Incorrect 1751 ms 8172 KB Output isn't correct
10 Incorrect 1630 ms 8300 KB Output isn't correct
11 Incorrect 1612 ms 8300 KB Output isn't correct
12 Execution timed out 2029 ms 8684 KB Time limit exceeded
13 Incorrect 1682 ms 8684 KB Output isn't correct
14 Incorrect 1642 ms 8260 KB Output isn't correct
15 Incorrect 1632 ms 9060 KB Output isn't correct
16 Incorrect 1831 ms 8392 KB Output isn't correct
17 Incorrect 1655 ms 4848 KB Output isn't correct
18 Incorrect 1608 ms 7148 KB Output isn't correct
19 Incorrect 1641 ms 8212 KB Output isn't correct
20 Incorrect 1758 ms 7148 KB Output isn't correct
21 Correct 304 ms 1644 KB Output is correct
22 Correct 883 ms 2340 KB Output is correct
23 Correct 1722 ms 3052 KB Output is correct
24 Correct 1808 ms 3180 KB Output is correct
25 Incorrect 1562 ms 3820 KB Output isn't correct