답안 #340368

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
340368 2020-12-27T13:29:17 Z amunduzbaev 원형 문자열 (IZhO13_rowords) C++14
36 / 100
2000 ms 16236 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;
	int cnt = 0;
	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]); 
				cnt++;
			}
		}
		if(cnt >= 4e8+5) break;
		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]); 
				cnt++;
			}
		}
		if(cnt >= 4e8+5) break;
		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;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 16108 KB Output is correct
2 Correct 53 ms 16108 KB Output is correct
3 Correct 96 ms 16108 KB Output is correct
4 Correct 200 ms 16108 KB Output is correct
5 Correct 167 ms 16108 KB Output is correct
6 Correct 527 ms 16236 KB Output is correct
7 Correct 1801 ms 16236 KB Output is correct
8 Execution timed out 2081 ms 16108 KB Time limit exceeded
9 Execution timed out 2086 ms 16108 KB Time limit exceeded
10 Execution timed out 2085 ms 16108 KB Time limit exceeded
11 Execution timed out 2073 ms 16108 KB Time limit exceeded
12 Execution timed out 2092 ms 16108 KB Time limit exceeded
13 Execution timed out 2081 ms 16108 KB Time limit exceeded
14 Execution timed out 2047 ms 16108 KB Time limit exceeded
15 Execution timed out 2077 ms 16108 KB Time limit exceeded
16 Execution timed out 2033 ms 16108 KB Time limit exceeded
17 Execution timed out 2071 ms 16108 KB Time limit exceeded
18 Execution timed out 2080 ms 16108 KB Time limit exceeded
19 Execution timed out 2092 ms 16108 KB Time limit exceeded
20 Execution timed out 2045 ms 16108 KB Time limit exceeded
21 Correct 939 ms 16108 KB Output is correct
22 Correct 1936 ms 16108 KB Output is correct
23 Execution timed out 2086 ms 16108 KB Time limit exceeded
24 Execution timed out 2089 ms 16108 KB Time limit exceeded
25 Execution timed out 2074 ms 16108 KB Time limit exceeded