Submission #104090

#	Time	Username	Problem	Language	Result	Execution time	Memory
104090		wiritos1	Lun (COCI19_lun)	C++98	10 / 50	3 ms	512 KiB

lun

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

int main()
{
	int a;
	string b;
	cin>>a>>b;
	int tem;
	tem=b[a-1]-'0';
	tem=10-tem;
	bool p2=false;
	int sum=0;
	for(int c=0;c<a;c++)
	{
		if(b[c]=='x')
		{
			if(a%2==0)
			{
				p2=false;
			}
			else
			{
				p2=true;
			}
		}
		else
		{
			if(a%2==0)
			{
				sum+=b[c]-'0';
			}
			else
			{
				if(b[c]<'5')
				{
					sum+=b[c]-'0';
				}
				else
				{
					sum+=((b[c]-'5')*2)+1;
				}
			}
		}
	}
	sum%=10;
	tem+=10;
	tem-=sum;
	tem%=10; //num a obtener
	if(tem%2==0)
	{
		tem/=2;
	}
	else
	{
		tem--;
		tem/=2;
		tem+=5;
	}
	cout<<tem;
	return 0;
}

Compilation message (stderr)

lun.cpp: In function 'int main()':
lun.cpp:12:7: warning: variable 'p2' set but not used [-Wunused-but-set-variable]
  bool p2=false;
       ^~

• Subtask 1: 10 / 50