题解 | #合并表记录#
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
import sys
count = 0
dic = {}
for line in sys.stdin:
if(count==0):
count+=1
else:
a = line.split()
try:
dic[int(a[0])] += int(a[1])
except:
dic[int(a[0])] = int(a[1])
for i in sorted(dic):
print(str(i)+' '+str(dic[i]))
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