ex12-14 finis

# Exercice 12
n=100
x=1
for (i in 1:n)
{
  x=x+i
}
print(x)#5051
# Exercice 13
n=1
x=0
while (n<100)
{
  x = x + n
  n = n + 1
}
print(x)
print(sum(1:100))
# Exercice 14
# Conjecture de Syracuse
x=41
while(x>1)
{
  if (x%%2 == 0)
  {
    x = x / 2
  }
  else
  {
    x = 3 * x + 1
  }
  print(x)
}