题解 | #尼科彻斯定理#
import sys
for line in sys.stdin:
n=int(line[:-1])
# 等差数列求和得到
array=[ f'{n*(n-1)+1+i*2}' for i in range(n)]
print('+'.join(array)) import sys
for line in sys.stdin:
n=int(line[:-1])
# 等差数列求和得到
array=[ f'{n*(n-1)+1+i*2}' for i in range(n)]
print('+'.join(array)) 相关推荐