题解 | #尼科彻斯定理#
尼科彻斯定理
http://www.nowcoder.com/practice/dbace3a5b3c4480e86ee3277f3fe1e85
while True:
try:
n = int(input())
start = n*n-n+1
res = ''
for i in range(0,n):
res = res + '+' + str(start)
start += 2
print(res.lstrip('+'))
except:
break
try:
n = int(input())
start = n*n-n+1
res = ''
for i in range(0,n):
res = res + '+' + str(start)
start += 2
print(res.lstrip('+'))
except:
break