Submission #312467

#	Time	Username	Problem	Language	Result	Execution time	Memory
312467		fivefourthreeone	Selling RNA Strands (JOI16_selling_rna)	C++17	0 / 100	41 ms	4676 KiB

selling_rna

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
#define owo(i,a, b) for(auto i=(a);i<(b); ++i)
#define uwu(i,a, b) for(auto i=(a)-1; i>=(b); --i)
#define senpai push_back
#define ttgl pair<int, int>
#define ayaya cout<<"ayaya~"<<endl
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree<ttgl, null_type,less<ttgl>, rb_tree_tag,tree_order_statistics_node_update>
 
using ll = long long;
using ld = long double;
const ll MOD = 998244353;
const ll root = 62;
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;}
ll modInv(ll a){return binpow(a, MOD-2);}
const double PI = atan(1);
const double eps = 1e-10;
const int INF = 0x3f3f3f3f;
const int NINF = 0xc0c0c0c0;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const ll NINFLL = 0xc0c0c0c0c0c0c0c0;
const int mxN = 100001;
__gnu_pbds::gp_hash_table<int, int> mp;
int n, m;
string s;
int hsh(char a) {
    if(a=='A')return 1;
    if(a=='C')return 2;
    if(a=='G')return 3;
    if(a=='U')return 4;
    cout<<"REEE\n";
    return 5;
}
int main() {
    //freopen("file.in", "r", stdin);
    //freopen("file.out", "w", stdout);
    mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
    cin.tie(0)->sync_with_stdio(0);
    cin>>n>>m;
    owo(i, 0, n) {
        cin>>s;
        int val = 0;
        owo(j, 0, s.size()) {
            val = (val*5 + hsh(s[j]))%MOD;
            mp[val]++;
        }
    }
    string p, q;
    owo(i, 0, m) {
        cin>>p>>q;
        if(q.size() > p.size()) swap(p, q);
        bool same = true;
        int pval = 0;
        int qval = 0;
        owo(i, 0, p.size()) {
            pval = (pval*5 + hsh(p[i]))%MOD;
        }
        owo(i, 0, q.size()) {
            qval = (qval*5 + hsh(q[i]))%MOD;
            if(p[i]==q[i])continue;
            same = false;
        }
        cout<<(same ? mp[qval] : mp[qval] + mp[pval])<<"\n";
    }
    return 0;
}

Compilation message (stderr)

selling_rna.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    2 | #pragma GCC optimization ("O3")
      | 
selling_rna.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      | 
selling_rna.cpp: In function 'int main()':
selling_rna.cpp:5:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define owo(i,a, b) for(auto i=(a);i<(b); ++i)
      |                                     ^
selling_rna.cpp:49:9: note: in expansion of macro 'owo'
   49 |         owo(j, 0, s.size()) {
      |         ^~~
selling_rna.cpp:5:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define owo(i,a, b) for(auto i=(a);i<(b); ++i)
      |                                     ^
selling_rna.cpp:61:9: note: in expansion of macro 'owo'
   61 |         owo(i, 0, p.size()) {
      |         ^~~
selling_rna.cpp:5:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define owo(i,a, b) for(auto i=(a);i<(b); ++i)
      |                                     ^
selling_rna.cpp:64:9: note: in expansion of macro 'owo'
   64 |         owo(i, 0, q.size()) {
      |         ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40