Submission #60046473

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Source Code Expand

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

string s;
int n;
int main()
{
	cin>>n>>s;
	if(n&1==0)
	{
		cout<<"No\n";
		return 0;
	}
	for(int i=0;i<n;i++)
	{
		if(0<=i&&2*i<n-1)
		{
			if(s[i]!='1')
			{
				cout<<"No\n";
				return 0;
			}
		}
		else if(2*i==n-1)
		{
			if(s[i]!='/')
			{
				cout<<"No\n";
				return 0;
			}
		}
		else
		{
			if(s[i]!='2')
			{
				cout<<"No\n";
				return 0;
			}
		}
	}
	cout<<"Yes\n";
	return 0;
} 

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:10:15: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
   10 |         if(n&1==0)
      |              ~^~~

Judge Result