classSolution: defcheckXMatrix(self, grid: List[List[int]]) -> bool: returnall( (v != 0) == (i == j or i + j == len(grid) - 1) for i, row inenumerate(grid) for j, v inenumerate(row))
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funccheckXMatrix(grid [][]int)bool { for i := 0; i < len(grid); i++ { for j := 0; j < len(grid[i]); j++ { //第一行的俩数字 if (i == j) || (i+j == len(grid)-1) { if grid[i][j] == 0 { returnfalse } } elseif grid[i][j] != 0 { returnfalse } } } returntrue }