题解 | 多组_二维数组_T组形式
多组_二维数组_T组形式
https://www.nowcoder.com/practice/fe1e902e076b46dd82e7d42e12617893
import sys
lines = [line.strip() for line in sys.stdin.readlines() if line.strip()]
ptr = 0
t = int(lines[ptr])
ptr += 1
for _ in range(t):
n, m = map(int, lines[ptr].split())
ptr += 1
ans = 0
for _ in range(n):
nums = map(int, lines[ptr].split())
ptr += 1
ans += sum(nums)
print(ans)
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