Submission #86334

#	Time	Username	Problem	Language	Result	Execution time	Memory
86334		Azamat_Murat	Telefoni (COCI17_telefoni)	C++14	80 / 80	35 ms	1208 KiB

telefoni

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define ll long long
//#define int long long
using namespace std;
void boost()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
}
void free()
{
	freopen("A.in", "r", stdin);
	freopen("A.out", "w", stdout);
}
string s, s1;
main()
{
	//free();
	boost();
	int n, d;
	cin >> n >> d;
	for(int i = 0; i < d; i++) s1 += '0';
	for(int i = 0; i < n; i++)
	{
		int x;
		cin >> x;
		if(x == 1) s += '1';
		else s += '0';
	}
	int ans = 0;
	int x = s1.size();
	for(int i = 0; i < s.size() - s1.size(); i++)
	{
		if(s.substr(i, x) == s1)
			ans++, i += s1.size(), i--;
	}
	cout << ans, exit(0);
}

Compilation message (stderr)

telefoni.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
telefoni.cpp: In function 'int main()':
telefoni.cpp:37:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < s.size() - s1.size(); i++)
                 ~~^~~~~~~~~~~~~~~~~~~~~~
telefoni.cpp: In function 'void free()':
telefoni.cpp:17:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("A.in", "r", stdin);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~
telefoni.cpp:18:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  freopen("A.out", "w", stdout);
  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80