题解 | #合并表记录#
合并表记录
http://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
num = int(input())
ls = {}
for i in range(num):
index,value =input().split(' ')
index,value = int(index),int(value)
if index not in ls:
ls[index] = value
else:
ls[index] += value
for key,value in sorted(ls.items()):
print(str(key) + ' '+str(value))
查看11道真题和解析
我也遇到了，所以我早他一步
