题解 | #单组_二维数组#
单组_二维数组
https://www.nowcoder.com/practice/4df606b6c3764d9c969f8759c8a4807b
import sys
idx = 0
sum_all = 0
for line in sys.stdin:
a = line.split()
if idx == 0:
x = int(a[0])
y = int(a[1])
else:
one_line = [int(m) for m in a]
sum_one_line = sum(one_line)
sum_all += sum_one_line
idx += 1
print(sum_all)
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