+rep ✞ Jov 22:21 Romans 10:9-10 ✞ God loves you! For more questions ask me!

sa mi fie de bine

♥♥♥♥♥♥♥♥♥

nice spy and friendly

⢸
⢸⡀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣶⣿⣶⣄
⢿⣿⣄⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄
⠀⠹⣿⣧⣀⣠⣴⣾⣷⣿⣷⠾⢷⠋⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣿⡷
⠀⠀⠈⢿⡿⠟⢻⣿⣿⣿⣿⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⡟
⠀⠀⠀⠀⠀⠀⣼⣿⣿⣿⣿⣿⡟⢿⣿⣄⠀⠀⠀⠀⢠⣶⣾⣿⡇
⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⡇⠀⠙⠿⡿⢆⣴⣿⣿⣿⣿⡇
⠀⠀⠀⠀⠀⢰⣿⣿⣿⣿⣿⣿⠀⠀⣤⣶⣾⣿⣿⣿⣿⣷⠹⣷⣤⣤⣄⣀⡀ Yes, Daddy! +rep
⠀⠀⠀⠀⠀⢸⣿⣿⡏⣿⣿⣿⢀⣾⣿⣿⣿⣿⣏⠀⠀⢀⣀⣈⣉⣉⣉⣙⣁⣀
⠀⠀⠀⠀⠀⢸⣿⣿⡇⣿⣿⢏⣾⣿⣿⣿⣿⣿⣿⣆
⠀⠀⠀⠀⠀⢸⣿⣿⡇⣿⣿⣷⠈⠉⠙⠛⢻⣭⣷
⠀⠀⠀⠀⠀⢸⣿⣿⡇⣿⣿⣿⠀⠀⠀⠀⠀⢹⣿⣷
⠀⠀⠀⠀⠀⢸⣿⣿⡇⣿⣿⣿⠀⠀⠀⠀⠀⣾⣿⡏
⠀⠀⠀⠀⠀⢸⣿⣿⡇⣿⣿⣿⠀⠀⠀⠀⢰⣿⣿
⠀⠀⠀⠀⠀⠘⢿⡿⠇⠻⣿⠟⠀⠀⠀⠀⢿⣿

#include <iostream>
#include <fstream>
using namespace std;
ifstream in("graf_partial.in");
ofstream out("graf_partial.out");
int n,i,j,sum=0,x,y,a[101][101];
int main()
{
in>>n;
while(in>>x>>y)
{
if(!a[x][y])
sum++;
a[x][y]=1;
a[y][x]=1;
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(i%2==j%2&&a [j]==1)
{
a [j]=0;
a[j] =0;
sum--;
}
}
}
out<<sum;
return 0;
}
invata programare petrica