제출 #234430

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
234430		NONAME	Lozinke (COCI17_lozinke)	C++17	100 / 100	469 ms	19264 KiB

lozinke

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) int(x.size())
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
#define N 100500
#define oo ll(1e16)
#define ft first
#define sd second
#define mp make_pair
#define pb push_back
#define ppb pop_back
#define el '\n'
#define elf endl
#define base ll(1e9 + 7)
using namespace std;
typedef long long ll;
typedef long double ld;

int n, ans;
string s[N];
map <string, int> ma;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n;
    for (int i = 0; i < n; i++) {
		cin >> s[i];
		int len = sz(s[i]);
		set <string> se;
		se.clear();
		for (int l = 0; l < len; l++) {
			string t;
			for (int r = l; r < len; r++) {
                t += s[i][r];
                se.insert(t);
			}
		}

        for (string t : se)
			ma[t]++;
    }

    for (int i = 0; i < n; i++)
		ans += ma[s[i]];

	cout << ans - n;
}

• Subtask 1: 100 / 100