Submission #138617

#	Time	Username	Problem	Language	Result	Execution time	Memory
138617		KCSC	Lozinke (COCI17_lozinke)	C++14	70 / 100	1079 ms	55980 KiB

lozinke

#include <bits/stdc++.h>
using namespace std;

const int DIM = 20005;

string str[DIM];
map<string, set<int>> mmp;

void solve(int n, int &ans) {
	mmp.clear();
	for (int i = 1; i <= n; ++i) {
		ans += mmp[str[i]].size();
		for (int p1 = 0; p1 < str[i].length(); ++p1)
			for (int p2 = p1; p2 < str[i].length(); ++p2)
				mmp[str[i].substr(p1, p2 - p1 + 1)].insert(i);
	}
}

int main(void) {
#ifdef HOME
	freopen("lozinke.in", "r", stdin);
	freopen("lozinke.out", "w", stdout);
#endif
	int n;
	cin >> n;
	for (int i = 1; i <= n; ++i)
		cin >> str[i];
	int ans = 0;
	solve(n, ans);
	reverse(str + 1, str + n + 1);
	solve(n, ans);
	cout << ans;
	return 0;
}

Compilation message (stderr)

lozinke.cpp: In function 'void solve(int, int&)':
lozinke.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int p1 = 0; p1 < str[i].length(); ++p1)
                    ~~~^~~~~~~~~~~~~~~~~
lozinke.cpp:14:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int p2 = p1; p2 < str[i].length(); ++p2)
                      ~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 70 / 100