oj.uz

Submission #340367

# Submission time Handle Problem Language Result Execution time Memory
340367 2020-12-27T13:27:39 Z beksultan04 Round words (IZhO13_rowords) C++14
60 / 100
 1998 ms 8940 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);
            }
        }
    }
    reverse(all(b));
    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+3e5){
            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+3e5){
            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
60.0 / 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 2 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 82 ms 1132 KB Output is correct
7 Correct 1583 ms 8212 KB Output is correct
8 Correct 1808 ms 8300 KB Output is correct
9 Incorrect 1684 ms 8212 KB Output isn't correct
10 Incorrect 1596 ms 8300 KB Output isn't correct
11 Incorrect 1586 ms 8300 KB Output isn't correct
12 Correct 1998 ms 8684 KB Output is correct
13 Incorrect 1629 ms 8812 KB Output isn't correct
14 Incorrect 1600 ms 8300 KB Output isn't correct
15 Incorrect 1600 ms 8940 KB Output isn't correct
16 Incorrect 1758 ms 8392 KB Output isn't correct
17 Correct 1573 ms 4972 KB Output is correct
18 Incorrect 1568 ms 7196 KB Output isn't correct
19 Incorrect 1598 ms 8172 KB Output isn't correct
20 Incorrect 1696 ms 7276 KB Output isn't correct
21 Correct 298 ms 1516 KB Output is correct
22 Correct 871 ms 2412 KB Output is correct
23 Correct 1692 ms 3128 KB Output is correct
24 Correct 1775 ms 3180 KB Output is correct
25 Correct 1541 ms 3948 KB Output is correct