oj.uz

Submission #116865

# Submission time Handle Problem Language Result Execution time Memory
116865 2019-06-14T02:59:35 Z nhimnam120 Lozinke (COCI17_lozinke) C++14
100 / 100
 424 ms 17344 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
map<string, long long> cnt;
vector<pair<long long,string> > inpp;
set<string> inp;
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	long long n;
	cin >> n;
	for(int i=0;i<n;i++){
		string a;
		cin >> a;
		cnt[a]++;
		inp.insert(a);
	}
	long long ans=0;
	for(auto x: inp){
		inpp.push_back({x.size(),x});
	}
	sort(inpp.begin(),inpp.end());
	for(int i=0;i<inpp.size();i++){
		long long pos=0;
		string a=inpp[i].se;
		ans=ans+(cnt[a]*(cnt[a]-1));
		string c;
		set<string> check;
		for(int j=1;j<inpp[i].fi;j++){
			for(int k=0;k<inpp[i].fi-j+1;k++){
				c=a.substr(k,j);
				check.insert(c);
			}
		}
		for(auto s:check){
			ans=ans+cnt[a]*cnt[s];
		}
	}
	cout << ans;
}

Compilation message

lozinke.cpp: In function 'int main()':
lozinke.cpp:24:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<inpp.size();i++){
              ~^~~~~~~~~~~~
lozinke.cpp:25:13: warning: unused variable 'pos' [-Wunused-variable]
   long long pos=0;
             ^~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 13 ms 896 KB Output is correct
6 Correct 20 ms 768 KB Output is correct
7 Correct 27 ms 1656 KB Output is correct
8 Correct 36 ms 2424 KB Output is correct
9 Correct 110 ms 2744 KB Output is correct
10 Correct 186 ms 8088 KB Output is correct
11 Correct 191 ms 4956 KB Output is correct
12 Correct 394 ms 17260 KB Output is correct
13 Correct 275 ms 3668 KB Output is correct
14 Correct 419 ms 16240 KB Output is correct
15 Correct 424 ms 17344 KB Output is correct
16 Correct 35 ms 768 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 279 ms 9328 KB Output is correct
20 Correct 34 ms 768 KB Output is correct