oj.uz

Submission #340364

# Submission time Handle Problem Language Result Execution time Memory
340364 2020-12-27T13:25:26 Z beksultan04 Round words (IZhO13_rowords) C++14
48 / 100
 1794 ms 9088 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 > 350000000){
            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 > 350000000){
            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
48.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 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 86 ms 1164 KB Output is correct
7 Correct 1395 ms 8300 KB Output is correct
8 Incorrect 1606 ms 8300 KB Output isn't correct
9 Incorrect 1485 ms 8300 KB Output isn't correct
10 Incorrect 1414 ms 8340 KB Output isn't correct
11 Incorrect 1391 ms 8300 KB Output isn't correct
12 Correct 1754 ms 8812 KB Output is correct
13 Incorrect 1444 ms 8812 KB Output isn't correct
14 Incorrect 1402 ms 8300 KB Output isn't correct
15 Incorrect 1404 ms 9088 KB Output isn't correct
16 Incorrect 1557 ms 8300 KB Output isn't correct
17 Incorrect 1403 ms 4972 KB Output isn't correct
18 Incorrect 1381 ms 7276 KB Output isn't correct
19 Incorrect 1420 ms 8300 KB Output isn't correct
20 Incorrect 1465 ms 7276 KB Output isn't correct
21 Correct 297 ms 1516 KB Output is correct
22 Correct 873 ms 2412 KB Output is correct
23 Correct 1687 ms 3180 KB Output is correct
24 Correct 1794 ms 3180 KB Output is correct
25 Incorrect 1348 ms 3948 KB Output isn't correct