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Submission #216486

# Submission time Handle Problem Language Result Execution time Memory
216486 2020-03-27T11:20:17 Z islingr Selling RNA Strands (JOI16_selling_rna) C++14
100 / 100
 280 ms 191156 KB 
#include <array>
#include <typeinfo>
#include <algorithm>
#include <iostream>
#include <vector>
#include <map>
using namespace std;

#define rep(i, a, b) for (auto i = (a); i < (b); ++i)
#define per(i, a, b) for (auto i = (b) - 1; i >= (a); --i)
#define trav(x, v) for (auto &x : v)

#define sz(x) int((x).size())
#define lb(x...) lower_bound(x)
#define ub(x...) upper_bound(x)
#define all(x) begin(x), end(x)
#define rall(x) (x).rbegin(), (x).rend()
#define eb(x...) emplace_back(x)

constexpr int A = 4;

map<char, int> cmp = {{'A', 0}, {'C', 1}, {'G', 2}, {'U', 3}};

struct T {
	array<T*, A> nxt;
	vector<int> idx;

	T() { fill(all(nxt), nullptr); }

	template<class it>
	void insert(it st, it en, int i) {
		idx.eb(i);
		if (st == en) return;
		auto &x = nxt[cmp[*st]];
		if (!x) x = new T();
		x->insert(next(st), en, i);
	}

	template<class it>
	int query(it st, it en, int l, int r) { // [l, r)
		if (st == en)
			return lb(all(idx), r) - lb(all(idx), l);
		auto &x = nxt[cmp[*st]];
		return x ? x->query(next(st), en, l, r) : 0;
	}
} t;

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int n, m;
	cin >> n >> m;
	vector<string> s(n);
	rep(i, 0, n) cin >> s[i];
	sort(all(s));
	rep(i, 0, n) t.insert(rall(s[i]), i);
	while (m--) {
		string p, q; cin >> p >> q;
		int l = lb(all(s), p) - begin(s);
		++p.back();
		int r = ub(all(s), p) - begin(s);
		cout << t.query(rall(q), l, r) << '\n';
	}
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 254 ms 191156 KB Output is correct
2 Correct 250 ms 181240 KB Output is correct
3 Correct 81 ms 18300 KB Output is correct
4 Correct 84 ms 18012 KB Output is correct
5 Correct 182 ms 118776 KB Output is correct
6 Correct 179 ms 120440 KB Output is correct
7 Correct 78 ms 15992 KB Output is correct
8 Correct 186 ms 81332 KB Output is correct
9 Correct 145 ms 70520 KB Output is correct
10 Correct 122 ms 65912 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 3572 KB Output is correct
2 Correct 40 ms 2808 KB Output is correct
3 Correct 42 ms 3060 KB Output is correct
4 Correct 31 ms 2676 KB Output is correct
5 Correct 36 ms 2560 KB Output is correct
6 Correct 45 ms 2932 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 254 ms 191156 KB Output is correct
9 Correct 250 ms 181240 KB Output is correct
10 Correct 81 ms 18300 KB Output is correct
11 Correct 84 ms 18012 KB Output is correct
12 Correct 182 ms 118776 KB Output is correct
13 Correct 179 ms 120440 KB Output is correct
14 Correct 78 ms 15992 KB Output is correct
15 Correct 186 ms 81332 KB Output is correct
16 Correct 145 ms 70520 KB Output is correct
17 Correct 122 ms 65912 KB Output is correct
18 Correct 42 ms 3572 KB Output is correct
19 Correct 40 ms 2808 KB Output is correct
20 Correct 42 ms 3060 KB Output is correct
21 Correct 31 ms 2676 KB Output is correct
22 Correct 36 ms 2560 KB Output is correct
23 Correct 45 ms 2932 KB Output is correct
24 Correct 264 ms 157560 KB Output is correct
25 Correct 280 ms 157688 KB Output is correct
26 Correct 241 ms 155640 KB Output is correct
27 Correct 90 ms 17784 KB Output is correct
28 Correct 232 ms 38900 KB Output is correct
29 Correct 122 ms 12396 KB Output is correct