Submission #876249

#	Time	Username	Problem	Language	Result	Execution time	Memory
876249		Nurislam	Selling RNA Strands (JOI16_selling_rna)	C++14	60 / 100	1531 ms	8544 KiB

selling_rna

#include <bits/stdc++.h>
using namespace std;
/*
<<<<It's never too late for a new beginning in your life>>>>
Today is hard
  tomorrow will worse
  but the day after tomorrow will be the sunshine..
 
HARD WORK BEATS TALENT WHEN TALENT DOESN'T WORK HARD............
Never give up  */
 
//The most CHALISHKANCHIK
#define int long long int
map<pair<string, string> , int> mp;
void solve(){
	int n, m;
	cin >> n >> m;
	if(n*m <= 2e8){
		vector<string> v;
		for(int i = 0; i < n; i++){
			string s;
			cin >> s;
			v.push_back(s);
		}
		for(int i = 0; i < m; i++){
			string a, b;
			cin >> a >> b;
			int ans = 0;
			for(int j = 0; j < n; j++){
				if(v[j].size() < a.size() || v[j].size() < b.size())continue;
				if(v[j].substr(0, a.size()) == a && v[j].substr(v[j].size()-b.size()) == b)ans++;
			}
			cout << ans << '\n';
		}
	}
	else {
		for(int i = 0; i < n; i++){
			string s;
			cin >> s;
			for(int k = 0; k < (int)s.size(); k++){
				for(int j = 0; j < (int)s.size(); j++){
					string s1 = s.substr(0, k+1), s2 = s.substr(j);
					mp[{s1, s2}]++;
				}
			}
		}
		for(int i = 0; i < m; i++){
			string a, b;
			cin >> a >> b;
			cout << mp[{a,b}] << '\n';	
		}
	}
}
main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int t = 1;
	//~ cin >> t;
	while(t--){
		solve();
	}
}
 
 
 
 
 
 
 
 

Compilation message (stderr)

selling_rna.cpp:54:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   54 | main(){
      | ^~~~

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