题解 | #合并表记录#
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
import sys
dic = {}
b = 0
c=[]
for line in sys.stdin:
a = line.split();
if len(a) == 1:
b=int(a[0])
if len(a)>1:
c.append(a[0]);
dic[int(a[0])] = dic.get(int(a[0]),0)+int(a[1]);
if b == len(c):
for i in sorted(dic):
print(i,dic[i]);
