Submission #378393

# Submission time Handle Problem Language Result Execution time Memory
378393 2021-03-16T16:51:32 Z YJU Vim (BOI13_vim) C++14
38.1111 / 100
418 ms 398316 KB
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector,Ofast")
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const ll N=5e3+5;
const ll INF=(1LL<<60);
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define X first
#define Y second
#define pb push_back
#define mp make_pair
#define lwb lower_bound

ll nxt[N][20],suffix_sum[N],dp[N][N];
string s;
vector<ll> loc;
ll n,m;

ll f(ll have,ll id){
    if(have==m)return 0;
    if(dp[have][id]!=-1)return dp[have][id];
    //cout<<have<<" "<<id<<"\n";
	dp[have][id]=INF;
    REP(j,20){
		if(j=='e'-'a'||nxt[id+1][j]==n)continue;
		ll to=nxt[id+1][j];
		if(to>loc[have]){
			ll nhave=lwb(loc.begin(),loc.end(),to)-loc.begin();
			dp[have][id]=min(dp[have][id],2+(to-loc[have])+f(nhave,loc[have]+1));
		}else{
			dp[have][id]=min(dp[have][id],f(have,to)+2);
		}
    }
    return dp[have][id];
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	memset(dp,-1,sizeof(dp));
	cin>>n>>s;
	REP(j,10)nxt[n][j]=n;
	for(int i=n-1;i>=0;i--){
		REP(j,10)nxt[i][j]=nxt[i+1][j];
        nxt[i][s[i]-'a']=i;
        if(s[i]=='e')loc.pb(i);
	}
	sort(loc.begin(),loc.end());
	m=loc.size();
	cout<<f(0,0)+m<<"\n";
	//REP(i,m)REP(j,n)cout<<i<<" "<<j<<" "<<dp[i][j]<<"\n";
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 108 ms 196460 KB Output is correct
2 Incorrect 108 ms 196460 KB Output isn't correct
3 Incorrect 105 ms 196460 KB Output isn't correct
4 Correct 108 ms 196460 KB Output is correct
5 Correct 107 ms 196460 KB Output is correct
6 Correct 109 ms 196460 KB Output is correct
7 Correct 111 ms 196460 KB Output is correct
8 Correct 109 ms 196460 KB Output is correct
9 Correct 105 ms 196460 KB Output is correct
10 Correct 104 ms 196460 KB Output is correct
11 Correct 106 ms 196460 KB Output is correct
12 Correct 106 ms 196460 KB Output is correct
13 Correct 107 ms 196480 KB Output is correct
14 Incorrect 106 ms 196460 KB Output isn't correct
15 Incorrect 109 ms 196460 KB Output isn't correct
16 Incorrect 107 ms 196460 KB Output isn't correct
17 Correct 113 ms 196588 KB Output is correct
18 Correct 108 ms 196460 KB Output is correct
19 Incorrect 107 ms 196460 KB Output isn't correct
20 Correct 106 ms 196588 KB Output is correct
21 Correct 108 ms 196460 KB Output is correct
22 Correct 108 ms 196460 KB Output is correct
23 Incorrect 107 ms 196588 KB Output isn't correct
24 Correct 108 ms 196588 KB Output is correct
25 Correct 106 ms 196460 KB Output is correct
26 Correct 106 ms 196460 KB Output is correct
27 Correct 108 ms 196460 KB Output is correct
28 Correct 110 ms 196460 KB Output is correct
29 Incorrect 109 ms 196460 KB Output isn't correct
30 Incorrect 107 ms 196460 KB Output isn't correct
31 Correct 105 ms 196460 KB Output is correct
32 Incorrect 107 ms 196460 KB Output isn't correct
33 Correct 108 ms 196588 KB Output is correct
34 Correct 126 ms 196460 KB Output is correct
35 Correct 109 ms 196588 KB Output is correct
36 Correct 107 ms 196460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 239 ms 197356 KB Output isn't correct
2 Correct 394 ms 197400 KB Output is correct
3 Incorrect 165 ms 196980 KB Output isn't correct
4 Incorrect 238 ms 197612 KB Output isn't correct
5 Incorrect 395 ms 197484 KB Output isn't correct
6 Incorrect 411 ms 197484 KB Output isn't correct
7 Incorrect 284 ms 197512 KB Output isn't correct
8 Incorrect 299 ms 197228 KB Output isn't correct
9 Correct 397 ms 197484 KB Output is correct
10 Incorrect 399 ms 197484 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Runtime error 377 ms 398100 KB Execution killed with signal 11
2 Runtime error 398 ms 397932 KB Execution killed with signal 11
3 Runtime error 398 ms 398060 KB Execution killed with signal 11
4 Runtime error 385 ms 398060 KB Execution killed with signal 11
5 Runtime error 381 ms 398316 KB Execution killed with signal 11
6 Runtime error 395 ms 398044 KB Execution killed with signal 11
7 Runtime error 365 ms 397932 KB Execution killed with signal 11
8 Runtime error 372 ms 398060 KB Execution killed with signal 11
9 Runtime error 369 ms 397932 KB Execution killed with signal 11
10 Runtime error 388 ms 397932 KB Execution killed with signal 11
11 Runtime error 378 ms 398316 KB Execution killed with signal 11
12 Runtime error 367 ms 398260 KB Execution killed with signal 11
13 Runtime error 369 ms 398060 KB Execution killed with signal 11
14 Runtime error 380 ms 398188 KB Execution killed with signal 11
15 Runtime error 381 ms 398204 KB Execution killed with signal 11
16 Runtime error 371 ms 398060 KB Execution killed with signal 11
17 Runtime error 379 ms 397932 KB Execution killed with signal 11
18 Runtime error 418 ms 397932 KB Execution killed with signal 11
19 Runtime error 372 ms 398060 KB Execution killed with signal 11
20 Runtime error 377 ms 398028 KB Execution killed with signal 11