oj.uz

답안 #849448

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
849448 2023-09-14T15:47:11 Z LeonaRaging Selling RNA Strands (JOI16_selling_rna) C++14
100 / 100
 158 ms 98888 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb emplace_back
#define T pair<int,int>
#define SZ(val) (int)val.size()
#define all(val) val.begin(), val.end()
#define db(val) "[" #val " = " << (val) << "] "

const int maxn = 1e5 + 4;

struct Node {
	int nxt[4], id, cnt, leaf;
	Node() {
		memset(nxt, 0, sizeof nxt);
		id = cnt = leaf = 0;
	}
};

int n, q, num, res[maxn];
string a[maxn];
map<char,char> mp;
vector<Node> t(1);
vector<tuple<string,int,int>> que[maxn];

void add(string &s, int id = 0) {
	int v = 0;
	for (int i = 0; i < SZ(s); i++) {
		int c = s[i] - 'a';
		if (!t[v].nxt[c]) {
			t[v].nxt[c] = t.size();
			t.pb();
		}
		v = t[v].nxt[c];
		if (!t[v].id) t[v].id = id;
		t[v].cnt++;
	}
	t[v].leaf++;
}

T Find(string &s) {
	int v = 0;
	for (int i = 0; i < SZ(s); i++) {
		int c = s[i] - 'a';
		if (!t[v].nxt[c]) return {1, 0};
		v = t[v].nxt[c];
	}
	return {t[v].id, t[v].cnt};
}

void dfs(int v, string &s) {
	while (t[v].leaf--) a[++num] = s;
	for (int c = 0; c < 4; c++)
		if (t[v].nxt[c]) {
			s += char(c + 'a');
			dfs(t[v].nxt[c], s);
			s.pop_back();
		}
}

string Convert(string &s) {
	string t;
    for (int i = 0; i < SZ(s); i++)
    	t += mp[s[i]];
    return t;
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> q;
    mp['A'] = 'a', mp['U'] = 'b', mp['G'] = 'c', mp['C'] = 'd';
    for (int i = 1; i <= n; i++) {
    	string s; cin >> s;
    	s = Convert(s);
    	add(s);
    }
    string s;
    dfs(0, s);
    vector<Node>(1).swap(t);
    for (int i = 1; i <= n; i++)
    	add(a[i], i);
    for (int i = 1; i <= q; i++) {
    	string u, v; cin >> u >> v;
    	u = Convert(u);
    	v = Convert(v);
    	T pos = Find(u);
    	que[pos.fi - 1].pb(v, i, -1);
    	que[pos.fi + pos.se - 1].pb(v, i, 1);
    }
    vector<Node>(1).swap(t);
    for (int i = 1; i <= n; i++) {
    	reverse(all(a[i])); add(a[i]);
    	for (auto it : que[i]) {
    		string s; int id, t; tie(s, id, t) = it;
    		reverse(all(s));
    		res[id] += t * Find(s).se;
    	}
    }
    for (int i = 1; i <= q; i++)
    	cout << res[i] << '\n';
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5724 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 2 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 2 ms 5724 KB Output is correct
6 Correct 2 ms 5724 KB Output is correct
7 Correct 2 ms 5724 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 85 ms 71856 KB Output is correct
2 Correct 86 ms 70520 KB Output is correct
3 Correct 150 ms 98224 KB Output is correct
4 Correct 145 ms 96428 KB Output is correct
5 Correct 146 ms 98368 KB Output is correct
6 Correct 151 ms 98888 KB Output is correct
7 Correct 74 ms 17580 KB Output is correct
8 Correct 123 ms 68400 KB Output is correct
9 Correct 121 ms 63788 KB Output is correct
10 Correct 86 ms 59580 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 11188 KB Output is correct
2 Correct 17 ms 10028 KB Output is correct
3 Correct 20 ms 10652 KB Output is correct
4 Correct 17 ms 9620 KB Output is correct
5 Correct 18 ms 9492 KB Output is correct
6 Correct 20 ms 10308 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5724 KB Output is correct
2 Correct 2 ms 5724 KB Output is correct
3 Correct 2 ms 5724 KB Output is correct
4 Correct 2 ms 5724 KB Output is correct
5 Correct 2 ms 5724 KB Output is correct
6 Correct 2 ms 5724 KB Output is correct
7 Correct 2 ms 5724 KB Output is correct
8 Correct 85 ms 71856 KB Output is correct
9 Correct 86 ms 70520 KB Output is correct
10 Correct 150 ms 98224 KB Output is correct
11 Correct 145 ms 96428 KB Output is correct
12 Correct 146 ms 98368 KB Output is correct
13 Correct 151 ms 98888 KB Output is correct
14 Correct 74 ms 17580 KB Output is correct
15 Correct 123 ms 68400 KB Output is correct
16 Correct 121 ms 63788 KB Output is correct
17 Correct 86 ms 59580 KB Output is correct
18 Correct 23 ms 11188 KB Output is correct
19 Correct 17 ms 10028 KB Output is correct
20 Correct 20 ms 10652 KB Output is correct
21 Correct 17 ms 9620 KB Output is correct
22 Correct 18 ms 9492 KB Output is correct
23 Correct 20 ms 10308 KB Output is correct
24 Correct 92 ms 73264 KB Output is correct
25 Correct 103 ms 77712 KB Output is correct
26 Correct 90 ms 73164 KB Output is correct
27 Correct 158 ms 97228 KB Output is correct
28 Correct 113 ms 33488 KB Output is correct
29 Correct 73 ms 19276 KB Output is correct