#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int long long
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define pii pair<int , int>
#define Lg(x) 31 - __builtin_clz(x)
#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 2e5 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void setupIO(){
#define name "Whisper"
//Phu Trong from Nguyen Tat Thanh High School for gifted student
srand(time(NULL));
cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
//freopen(name".inp", "r", stdin);
//freopen(name".out", "w", stdout);
cout << fixed << setprecision(10);
}
template <class X, class Y>
bool minimize(X &x, const Y &y){
X eps = 1e-9;
if (x > y + eps) {x = y; return 1;}
return 0;
}
template <class X, class Y>
bool maximize(X &x, const Y &y){
X eps = 1e-9;
if (x + eps < y) {x = y; return 1;}
return 0;
}
int nArr, numQuery;
map<char, int> fix = {{'A', 0}, {'C', 1}, {'G', 2}, {'U', 3}};
#define all(x) (x).begin(), (x).end()
#define lb(x...) lower_bound(x)
#define ub(x...) upper_bound(x)
struct Node{
Node *child[4];
vector<int> idx;
Node(){
REP(i, 4) child[i] = nullptr;
}
};
Node *root = new Node();
template<class iter>
inline void Add(Node* p, iter sta, iter fin, int i){
p -> idx.push_back(i);
if(sta == fin) return;
int nxt = fix[*sta];
if (p -> child[nxt] == nullptr) p -> child[nxt] = new Node();
Add(p -> child[nxt], next(sta), fin, i);
}
template<class iter>
inline int Query(Node *p, iter sta, iter fin, int l, int r){
if (sta == fin){
return ub(all(p -> idx), r) - lb(all(p -> idx), l);
}
int nxt = fix[*sta];
if (p -> child[nxt] == nullptr) return 0;
return Query(p -> child[nxt], next(sta), fin, l, r);
}
void Whisper(){
cin >> nArr >> numQuery;
vector<string> s(nArr);
REP(i, nArr) cin >> s[i];
sort(all(s));
REP(i, nArr){
Add(root, s[i].rbegin(), s[i].rend(), i);
}
for (int i = 1; i <= numQuery; ++i){
string a, b; cin >> a >> b;
reverse(all(b));
int l = lb(all(s), a) - s.begin();
a.back()++;
int r = lb(all(s), a) - s.begin();
--r;
if (l > r){
cout << "0\n"; continue;
}
cout << Query(root, all(b), l, r) << '\n';
}
}
signed main(){
setupIO();
int Test = 1;
// cin >> Test;
for ( int i = 1 ; i <= Test ; i++ ){
Whisper();
if (i < Test) cout << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
168 ms |
190976 KB |
Output is correct |
2 |
Correct |
165 ms |
181380 KB |
Output is correct |
3 |
Correct |
48 ms |
28240 KB |
Output is correct |
4 |
Correct |
49 ms |
27476 KB |
Output is correct |
5 |
Correct |
121 ms |
118720 KB |
Output is correct |
6 |
Correct |
121 ms |
120660 KB |
Output is correct |
7 |
Correct |
47 ms |
23376 KB |
Output is correct |
8 |
Correct |
117 ms |
87812 KB |
Output is correct |
9 |
Correct |
102 ms |
77648 KB |
Output is correct |
10 |
Correct |
78 ms |
72536 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
4300 KB |
Output is correct |
2 |
Correct |
20 ms |
3468 KB |
Output is correct |
3 |
Correct |
25 ms |
3800 KB |
Output is correct |
4 |
Correct |
18 ms |
3312 KB |
Output is correct |
5 |
Correct |
21 ms |
3276 KB |
Output is correct |
6 |
Correct |
27 ms |
3540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
456 KB |
Output is correct |
8 |
Correct |
168 ms |
190976 KB |
Output is correct |
9 |
Correct |
165 ms |
181380 KB |
Output is correct |
10 |
Correct |
48 ms |
28240 KB |
Output is correct |
11 |
Correct |
49 ms |
27476 KB |
Output is correct |
12 |
Correct |
121 ms |
118720 KB |
Output is correct |
13 |
Correct |
121 ms |
120660 KB |
Output is correct |
14 |
Correct |
47 ms |
23376 KB |
Output is correct |
15 |
Correct |
117 ms |
87812 KB |
Output is correct |
16 |
Correct |
102 ms |
77648 KB |
Output is correct |
17 |
Correct |
78 ms |
72536 KB |
Output is correct |
18 |
Correct |
30 ms |
4300 KB |
Output is correct |
19 |
Correct |
20 ms |
3468 KB |
Output is correct |
20 |
Correct |
25 ms |
3800 KB |
Output is correct |
21 |
Correct |
18 ms |
3312 KB |
Output is correct |
22 |
Correct |
21 ms |
3276 KB |
Output is correct |
23 |
Correct |
27 ms |
3540 KB |
Output is correct |
24 |
Correct |
170 ms |
159060 KB |
Output is correct |
25 |
Correct |
186 ms |
159312 KB |
Output is correct |
26 |
Correct |
159 ms |
157096 KB |
Output is correct |
27 |
Correct |
56 ms |
27440 KB |
Output is correct |
28 |
Correct |
147 ms |
49092 KB |
Output is correct |
29 |
Correct |
74 ms |
17388 KB |
Output is correct |