如:
1
11
121
1331
14641
1 5 10 10 5 1
def panduan(num):
sun = 0
if num==1 :
print 1
for i in range(num):
sun = sun+i
if sun == num:
print i+2
break
elif sun >num:
print i + 2
break
2023-11-29 12:26:34
如:
1
11
121
1331
14641
1 5 10 10 5 1
def panduan(num):
sun = 0
if num==1 :
print 1
for i in range(num):
sun = sun+i
if sun == num:
print i+2
break
elif sun >num:
print i + 2
break