题解 | #合并表记录#
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
n = int(input())
a = {}
for i in range(n):
b,c = map(int,input().split())
a[b] = a.get(b,0)+c
for j in sorted(a):
print(j,a[j])
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
n = int(input())
a = {}
for i in range(n):
b,c = map(int,input().split())
a[b] = a.get(b,0)+c
for j in sorted(a):
print(j,a[j])
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