Submission #340352

# Submission time Handle Problem Language Result Execution time Memory
340352 2020-12-27T13:20:05 Z amunduzbaev Round words (IZhO13_rowords) C++14
32 / 100
2000 ms 16364 KB
/** made by amunduzbaev **/
 
#include <bits/stdc++.h>
//~ #include <ext/pb_ds/assoc_container.hpp> 
//~ #include <ext/pb_ds/tree_policy.hpp> 
//~ #include <ext/rope>
 
//~ using namespace __gnu_pbds;
//~ using namespace __gnu_cxx;
using namespace std;
 
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vll vector<ll>
#define vii vector<int>
#define vpii vector<pii>
#define vpll vector<pll>
#define cnt(a)__builtin_popcount(a)
template<class T> bool umin(T& a, const T& b) {return a > b? a = b, true:false;}
template<class T> bool umax(T& a, const T& b) {return a < b? a = b, true:false;}
 
//~ typedef tree<pii,null_type,less<pii>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
 
const int N = 2e3+5;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
int s, n, m, k, t, ans, dp[N][N];
 
void solve(){
	string a, b;
	cin>>a>>b;
	n = sz(b), m = sz(a);
	if(n > m){
		swap(n, m);
		swap(a, b);
	}
	b += b;
	
	for(int i=0;i<n;i++){
		string tmp = string(b.begin() + i, b.begin() + i+ n);
		memset(dp, 0, sizeof dp);
		for(int j=0;j<m;j++){
			for(int l=0;l<n;l++){
				if(j && l && a[j] == tmp[l]) dp[j][l] += dp[j-1][l-1] +1;
				else if(a[j] == tmp[l]) dp[j][l]++;
				if(j) umax(dp[j][l], dp[j-1][l]);
				if(l) umax(dp[j][l], dp[j][l-1]);
				if(j && l) umax(dp[j][l], dp[j-1][l-1]); 
			}
		}
		umax(ans, dp[m-1][n-1]);
	}
	reverse(all(b));
	
	for(int i=0;i<n;i++){
		string tmp = string(b.begin() + i, b.begin() + i+ n);
		memset(dp, 0, sizeof dp);
		for(int j=0;j<m;j++){
			for(int l=0;l<n;l++){
				if(j && l && a[j] == tmp[l]) dp[j][l] += dp[j-1][l-1] +1;
				else if(a[j] == tmp[l]) dp[j][l]++;
				if(j) umax(dp[j][l], dp[j-1][l]);
				if(l) umax(dp[j][l], dp[j][l-1]);
				if(j && l) umax(dp[j][l], dp[j-1][l-1]); 
			}
		}
		umax(ans, dp[m-1][n-1]);
	}
	
	
	cout<<ans<<endl;
	return;
}
 
int main(){
	fastios
	int t = 1;
	if(t) solve();
	else {
		cin>>t;
		while (t--) solve();
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 45 ms 16108 KB Output is correct
2 Correct 52 ms 16108 KB Output is correct
3 Correct 93 ms 16108 KB Output is correct
4 Correct 199 ms 16236 KB Output is correct
5 Correct 168 ms 16108 KB Output is correct
6 Correct 534 ms 16236 KB Output is correct
7 Execution timed out 2095 ms 16108 KB Time limit exceeded
8 Execution timed out 2081 ms 16108 KB Time limit exceeded
9 Execution timed out 2073 ms 16108 KB Time limit exceeded
10 Execution timed out 2100 ms 16108 KB Time limit exceeded
11 Execution timed out 2045 ms 16108 KB Time limit exceeded
12 Execution timed out 2044 ms 16108 KB Time limit exceeded
13 Execution timed out 2090 ms 16108 KB Time limit exceeded
14 Execution timed out 2091 ms 16108 KB Time limit exceeded
15 Execution timed out 2094 ms 16108 KB Time limit exceeded
16 Execution timed out 2096 ms 16108 KB Time limit exceeded
17 Execution timed out 2091 ms 16108 KB Time limit exceeded
18 Execution timed out 2091 ms 16108 KB Time limit exceeded
19 Execution timed out 2089 ms 16108 KB Time limit exceeded
20 Execution timed out 2057 ms 16108 KB Time limit exceeded
21 Correct 954 ms 16364 KB Output is correct
22 Correct 1955 ms 16236 KB Output is correct
23 Execution timed out 2080 ms 16108 KB Time limit exceeded
24 Execution timed out 2081 ms 16108 KB Time limit exceeded
25 Execution timed out 2079 ms 16236 KB Time limit exceeded