oj.uz

Submission #245906

# Submission time Handle Problem Language Result Execution time Memory
245906 2020-07-07T17:58:45 Z Goolakh Selling RNA Strands (JOI16_selling_rna) C++17
100 / 100
 540 ms 414456 KB 
#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("O2,no-stack-protector,unroll-loops,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Os")

#define F first
#define S second
#define pb push_back
#define SZ(x) (ll)(x.size())
#define all(x) x.begin(),x.end()
#define MP make_pair

typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll maxn=2e6+10, maxm=1e3+10, lg=21, mod=1e9+7, inf=1e18;

ll n,q,C[maxn][4],nn,tt,wat[maxn],st[maxn],ft[maxn],cnt[maxn],ans[maxn];
vector<ll> qq[maxn];
vector<pll> Q[maxn];
string s[maxn],pre[maxn],suf[maxn];

ll add(string s){
	ll v=0;
	for(auto c:s) cnt[v=C[v][c-'a']=(!C[v][c-'a'] ? ++nn:C[v][c-'a'])]++;
	return v;
}
ll dff(string s){
	ll v=0;
	for(auto c:s){
		v=C[v][c-'a'];
		if(v==0) break;
	}
	return v;
}
void dfs(ll v=0){
	wat[st[v]=tt++]=v;
	for(int i:{0,1,2,3})if(C[v][i]) dfs(C[v][i]);
	ft[v]=tt;
}
map<char,char> num;
void mkay(string &s){for(auto &c:s) c=num[c];}

int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	
	num['A']='a', num['C']='b', num['G']='c', num['U']='d';
	cin>>n>>q;
	for(int i=0;i<n;i++){
		cin>>s[i]; mkay(s[i]);
		qq[add(s[i])].pb(i);
		reverse(all(s[i]));
	}
	dfs();
	for(int i=0;i<q;i++){
		cin>>pre[i]>>suf[i]; mkay(pre[i]), mkay(suf[i]);
		ll v=dff(pre[i]);
		if(v){
			Q[st[v]].pb({-1,i});
			Q[ft[v]].pb({+1,i});
			reverse(all(suf[i]));
		}
	}
	memset(C,0,sizeof(C)), memset(cnt,0,sizeof(cnt)), nn=0;
	for(int i=0;i<=tt;i++){
		for(auto x:Q[i]){
			ll v=dff(suf[x.S]);
			if(v) ans[x.S]+=x.F*cnt[v];
		}
		for(auto x:qq[wat[i]]) add(s[x]);
	}
	for(int i=0;i<q;i++) cout<<ans[i]<<endl;
 	
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 201 ms 360440 KB Output is correct
2 Correct 199 ms 360440 KB Output is correct
3 Correct 195 ms 360440 KB Output is correct
4 Correct 198 ms 360516 KB Output is correct
5 Correct 193 ms 360440 KB Output is correct
6 Correct 201 ms 360440 KB Output is correct
7 Correct 195 ms 360440 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 288 ms 366072 KB Output is correct
2 Correct 296 ms 369156 KB Output is correct
3 Correct 376 ms 414456 KB Output is correct
4 Correct 370 ms 412280 KB Output is correct
5 Correct 344 ms 394872 KB Output is correct
6 Correct 343 ms 395128 KB Output is correct
7 Correct 288 ms 371960 KB Output is correct
8 Correct 342 ms 389752 KB Output is correct
9 Correct 322 ms 386808 KB Output is correct
10 Correct 290 ms 381688 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 364136 KB Output is correct
2 Correct 275 ms 363124 KB Output is correct
3 Correct 291 ms 363752 KB Output is correct
4 Correct 283 ms 363032 KB Output is correct
5 Correct 285 ms 362920 KB Output is correct
6 Correct 318 ms 363512 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 201 ms 360440 KB Output is correct
2 Correct 199 ms 360440 KB Output is correct
3 Correct 195 ms 360440 KB Output is correct
4 Correct 198 ms 360516 KB Output is correct
5 Correct 193 ms 360440 KB Output is correct
6 Correct 201 ms 360440 KB Output is correct
7 Correct 195 ms 360440 KB Output is correct
8 Correct 288 ms 366072 KB Output is correct
9 Correct 296 ms 369156 KB Output is correct
10 Correct 376 ms 414456 KB Output is correct
11 Correct 370 ms 412280 KB Output is correct
12 Correct 344 ms 394872 KB Output is correct
13 Correct 343 ms 395128 KB Output is correct
14 Correct 288 ms 371960 KB Output is correct
15 Correct 342 ms 389752 KB Output is correct
16 Correct 322 ms 386808 KB Output is correct
17 Correct 290 ms 381688 KB Output is correct
18 Correct 319 ms 364136 KB Output is correct
19 Correct 275 ms 363124 KB Output is correct
20 Correct 291 ms 363752 KB Output is correct
21 Correct 283 ms 363032 KB Output is correct
22 Correct 285 ms 362920 KB Output is correct
23 Correct 318 ms 363512 KB Output is correct
24 Correct 323 ms 370424 KB Output is correct
25 Correct 401 ms 372472 KB Output is correct
26 Correct 307 ms 369656 KB Output is correct
27 Correct 410 ms 406992 KB Output is correct
28 Correct 540 ms 376960 KB Output is correct
29 Correct 472 ms 370136 KB Output is correct