Submission #378388

# Submission time Handle Problem Language Result Execution time Memory
378388 2021-03-16T16:45:47 Z YJU Vim (BOI13_vim) C++14
12.5 / 100
7 ms 5044 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=5e2+5;
const ll INF=(1LL<<30);
#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][12],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,10){
		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]));
		}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][10]=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);
	}
	reverse(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 3 ms 2412 KB Output is correct
2 Incorrect 3 ms 2412 KB Output isn't correct
3 Incorrect 2 ms 2412 KB Output isn't correct
4 Incorrect 3 ms 2412 KB Output isn't correct
5 Correct 3 ms 2412 KB Output is correct
6 Incorrect 3 ms 2412 KB Output isn't correct
7 Incorrect 4 ms 2540 KB Output isn't correct
8 Correct 2 ms 2284 KB Output is correct
9 Correct 2 ms 2304 KB Output is correct
10 Incorrect 2 ms 2284 KB Output isn't correct
11 Correct 2 ms 2284 KB Output is correct
12 Correct 2 ms 2284 KB Output is correct
13 Correct 3 ms 2412 KB Output is correct
14 Incorrect 3 ms 2412 KB Output isn't correct
15 Incorrect 3 ms 2412 KB Output isn't correct
16 Incorrect 3 ms 2412 KB Output isn't correct
17 Incorrect 2 ms 2412 KB Output isn't correct
18 Incorrect 3 ms 2432 KB Output isn't correct
19 Incorrect 3 ms 2668 KB Output isn't correct
20 Correct 4 ms 2412 KB Output is correct
21 Incorrect 3 ms 2412 KB Output isn't correct
22 Correct 2 ms 2412 KB Output is correct
23 Incorrect 3 ms 2816 KB Output isn't correct
24 Incorrect 2 ms 2412 KB Output isn't correct
25 Incorrect 3 ms 2540 KB Output isn't correct
26 Incorrect 3 ms 2412 KB Output isn't correct
27 Incorrect 2 ms 2412 KB Output isn't correct
28 Incorrect 3 ms 2412 KB Output isn't correct
29 Incorrect 4 ms 2540 KB Output isn't correct
30 Incorrect 3 ms 2540 KB Output isn't correct
31 Incorrect 2 ms 2412 KB Output isn't correct
32 Incorrect 3 ms 2540 KB Output isn't correct
33 Incorrect 3 ms 2412 KB Output isn't correct
34 Incorrect 2 ms 2412 KB Output isn't correct
35 Incorrect 3 ms 2412 KB Output isn't correct
36 Incorrect 4 ms 2560 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 4588 KB Execution killed with signal 11
2 Runtime error 5 ms 4588 KB Execution killed with signal 11
3 Runtime error 7 ms 5044 KB Execution killed with signal 11
4 Runtime error 5 ms 4588 KB Execution killed with signal 11
5 Runtime error 5 ms 4588 KB Execution killed with signal 11
6 Runtime error 5 ms 4588 KB Execution killed with signal 11
7 Runtime error 5 ms 4588 KB Execution killed with signal 11
8 Runtime error 4 ms 4588 KB Execution killed with signal 11
9 Runtime error 5 ms 4588 KB Execution killed with signal 11
10 Runtime error 5 ms 4588 KB Execution killed with signal 11
# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 4844 KB Execution killed with signal 11
2 Runtime error 5 ms 4844 KB Execution killed with signal 11
3 Runtime error 5 ms 4864 KB Execution killed with signal 11
4 Runtime error 6 ms 4992 KB Execution killed with signal 11
5 Runtime error 5 ms 4972 KB Execution killed with signal 11
6 Runtime error 5 ms 4856 KB Execution killed with signal 11
7 Runtime error 5 ms 4864 KB Execution killed with signal 11
8 Runtime error 5 ms 4844 KB Execution killed with signal 11
9 Runtime error 5 ms 4844 KB Execution killed with signal 11
10 Runtime error 5 ms 4844 KB Execution killed with signal 11
11 Runtime error 5 ms 4972 KB Execution killed with signal 11
12 Runtime error 5 ms 4972 KB Execution killed with signal 11
13 Runtime error 5 ms 4972 KB Execution killed with signal 11
14 Runtime error 5 ms 4972 KB Execution killed with signal 11
15 Runtime error 5 ms 4972 KB Execution killed with signal 11
16 Runtime error 5 ms 4844 KB Execution killed with signal 11
17 Runtime error 5 ms 4844 KB Execution killed with signal 11
18 Runtime error 5 ms 4844 KB Execution killed with signal 11
19 Runtime error 5 ms 4844 KB Execution killed with signal 11
20 Runtime error 5 ms 4844 KB Execution killed with signal 11