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数字纵横 #3

Number Cross #3

专题
Discrete Math / 离散数学
难度
L7

题目详情

Enter the digits 1 thru 9, or their negatives, in each of the squares in the crossword grid. The crossword clues represent the sum of the digits in each answer. Ignoring sign, no digit will appear more than once in any row or column in the completed grid. Also, every row and column of the completed grid has exactly one negative number.

For your answer, submit the sum of all numbers in the grid which share a border (horizontal or vertical) with one of the negative numbers.

解析


Original Explanation

The completed grid is presented here, and the sum of all numbers bordering the negative numbers is 148. Congratulations to all of this month’s correct solvers!