Submission #1078668

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078668		khactrung1912	Lozinke (COCI17_lozinke)	C++14	0 / 100	2 ms	524 KiB

lozinke

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

long long n, re;
vector<string> a;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie();
	cout.tie();
	freopen("PASS.INP", "r", stdin);
	freopen("PASS.OUT", "w", stdout);
	cin >> n;
	for (int i = 1; i <= n; i++) {
		string s;
		cin >> s;
		a.push_back(s);
	}
	if (n<=2000) {
		for (int i = 0; i < a.size(); i++) {
			for (int j = 0; j < a.size(); j++) {
				if (i==j) continue;
				if (a[i].size()>a[j].size()) {
					for (int k = 0; k < a[i].size()-a[j].size()+1; k++) {
						if (a[i].substr(0, k+1)==a[j]) {
							re++;
							break;
						}
					}
				}
				else if (a[i]==a[j]) re++;
			}
		}
		cout << re;
	}
	else cout << 0;
}

Compilation message (stderr)

lozinke.cpp: In function 'int main()':
lozinke.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for (int i = 0; i < a.size(); i++) {
      |                   ~~^~~~~~~~~~
lozinke.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |    for (int j = 0; j < a.size(); j++) {
      |                    ~~^~~~~~~~~~
lozinke.cpp:24:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |      for (int k = 0; k < a[i].size()-a[j].size()+1; k++) {
      |                      ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:11:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  freopen("PASS.INP", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:12:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  freopen("PASS.OUT", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100