oj.uz

Submission #905878

# Submission time Handle Problem Language Result Execution time Memory
905878 2024-01-13T06:03:24 Z coldbr3w Selling RNA Strands (JOI16_selling_rna) C++14
100 / 100
 497 ms 369816 KB 
#include <bits/stdc++.h>
using namespace std;
 
using ll = long long;
using pll = pair<long long, long long>;
 
#define pb push_back
#define F first
#define S second  
#define all(x) (x).begin(), (x).end()
 
const ll N = 2e6 + 100;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const ll block = 520;
const ll base = 35711;
struct Trie{
    struct node{
        ll c[4];
        ll l, r;
        vector<ll>range;
    }; node x[N];
    ll cur;
    Trie() : cur(0){
        memset(x[0].c, -1, sizeof(x[0].c));
        x[0].l = inf;
        x[0].r = -inf;
    }
    ll init(){
        cur++;
        memset(x[cur].c, -1, sizeof(x[cur].c));
        x[cur].l = inf, x[cur].r = -inf;
        return cur;
    }  
    void add(string s, ll idx){
        ll pos = 0;
        for(auto f : s){
            ll c = f - 'A';
            if(x[pos].c[c] == -1) x[pos].c[c] = init();
            pos = x[pos].c[c];
            x[pos].range.pb(idx);
            x[pos].l = min(idx, x[pos].l);
            x[pos].r = max(idx, x[pos].r);
        }
    }
    pll find_range(string s){
        ll pos = 0;
        for(auto f : s){
            ll c = f - 'A';
            pos = x[pos].c[c];
            if(pos == -1) return {inf, -inf};
        }
        return {x[pos].l, x[pos].r};
    }
    vector<ll>dfs(string s){
        ll pos = 0;
        vector<ll>tmp;
        for(auto f : s){
            ll c = f - 'A';
            pos = x[pos].c[c];
            if(pos == -1) return tmp;
        }
        return x[pos].range;
    }
};
string cnv(string s){
    string ans = s;
    for(int i = 0; i < ans.size();i++){
        if(ans[i] == 'C') ans[i] = 'B';
        else if(ans[i] == 'G') ans[i] = 'C';
        else if(ans[i] == 'U') ans[i] = 'D'; 
    }
    return ans;
}
Trie rev, tr;
void to_nho_cau(){
    ll n,m; cin >> n >> m;
    vector<string>v;
    for(int i = 1; i <= n;i++){
        string s; cin >> s;
        s = cnv(s);
        v.pb(s);
    }
    sort(all(v));
    for(int i = 0; i < v.size();i++){
        tr.add(v[i], i);
        string t = v[i]; reverse(all(t));
        rev.add(t, i);
    }
    while(m--){
        string p,q; cin >> p >> q;
        p = cnv(p), q = cnv(q);    
        reverse(all(q));
        pll cur = tr.find_range(p);
        ll l = cur.F, r = cur.S;
        vector<ll>res = rev.dfs(q);
        if(!res.size() || l > r){
            cout << 0 << '\n';
            continue;
        }
        ll high = upper_bound(all(res), r) - res.begin();
        ll low = lower_bound(all(res), l) - res.begin();
        cout << high - low << '\n';
    }
}
 
signed main()
{   
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;   
    //cin >> t;
    while(t--) to_nho_cau();
}

Compilation message

selling_rna.cpp: In function 'std::string cnv(std::string)':
selling_rna.cpp:68:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i = 0; i < ans.size();i++){
      |                    ~~^~~~~~~~~~~~
selling_rna.cpp: In function 'void to_nho_cau()':
selling_rna.cpp:85:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |     for(int i = 0; i < v.size();i++){
      |                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 282192 KB Output is correct
2 Correct 70 ms 282196 KB Output is correct
3 Correct 75 ms 282036 KB Output is correct
4 Correct 74 ms 282076 KB Output is correct
5 Correct 77 ms 282264 KB Output is correct
6 Correct 70 ms 282504 KB Output is correct
7 Correct 71 ms 282260 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 250 ms 369816 KB Output is correct
2 Correct 267 ms 367024 KB Output is correct
3 Correct 257 ms 369748 KB Output is correct
4 Correct 254 ms 366196 KB Output is correct
5 Correct 272 ms 362968 KB Output is correct
6 Correct 259 ms 364084 KB Output is correct
7 Correct 153 ms 321020 KB Output is correct
8 Correct 361 ms 360552 KB Output is correct
9 Correct 345 ms 353160 KB Output is correct
10 Correct 225 ms 349256 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 287072 KB Output is correct
2 Correct 111 ms 285728 KB Output is correct
3 Correct 130 ms 286156 KB Output is correct
4 Correct 129 ms 285896 KB Output is correct
5 Correct 155 ms 285952 KB Output is correct
6 Correct 200 ms 286108 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 282192 KB Output is correct
2 Correct 70 ms 282196 KB Output is correct
3 Correct 75 ms 282036 KB Output is correct
4 Correct 74 ms 282076 KB Output is correct
5 Correct 77 ms 282264 KB Output is correct
6 Correct 70 ms 282504 KB Output is correct
7 Correct 71 ms 282260 KB Output is correct
8 Correct 250 ms 369816 KB Output is correct
9 Correct 267 ms 367024 KB Output is correct
10 Correct 257 ms 369748 KB Output is correct
11 Correct 254 ms 366196 KB Output is correct
12 Correct 272 ms 362968 KB Output is correct
13 Correct 259 ms 364084 KB Output is correct
14 Correct 153 ms 321020 KB Output is correct
15 Correct 361 ms 360552 KB Output is correct
16 Correct 345 ms 353160 KB Output is correct
17 Correct 225 ms 349256 KB Output is correct
18 Correct 294 ms 287072 KB Output is correct
19 Correct 111 ms 285728 KB Output is correct
20 Correct 130 ms 286156 KB Output is correct
21 Correct 129 ms 285896 KB Output is correct
22 Correct 155 ms 285952 KB Output is correct
23 Correct 200 ms 286108 KB Output is correct
24 Correct 259 ms 359544 KB Output is correct
25 Correct 272 ms 359712 KB Output is correct
26 Correct 257 ms 358924 KB Output is correct
27 Correct 290 ms 358604 KB Output is correct
28 Correct 497 ms 335248 KB Output is correct
29 Correct 209 ms 308516 KB Output is correct