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<?php //да се намерят реда и колоната с най-голяма стойност $arr = [ [1, 4, 7,10], [2, 5, 8,11], [3, 6, 9,12], [13,14,15,16] ]; $maxRow = 0; $maxCol = 0; $fromMaxRow = 0; $fromMaxCol = 0; $cols = []; foreach($arr as $keyRow => $row) { $sum = array_sum($row); if($maxRow < $sum) { $maxRow = $sum; $fromMaxRow = $keyRow + 1; } foreach($row as $keyCell => $cell) { $cols[$key][] = $cell; } } foreach ($cols as $key => $col) { $sum = array_sum($cow); if($maxCol < $sum) { $maxCol = $sum; $fromMaxCow = $key + 1; } } echo "Max row is $fromMaxRow with $maxRow sum"; echo "Max col is $fromMaxCol with $maxCol sum";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $key in /in/6eZ0A on line 29 Warning: Undefined variable $cow in /in/6eZ0A on line 34 Fatal error: Uncaught TypeError: array_sum(): Argument #1 ($array) must be of type array, null given in /in/6eZ0A:34 Stack trace: #0 /in/6eZ0A(34): array_sum(NULL) #1 {main} thrown in /in/6eZ0A on line 34
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: key in /in/6eZ0A on line 29 Notice: Undefined variable: cow in /in/6eZ0A on line 34 Warning: array_sum() expects parameter 1 to be array, null given in /in/6eZ0A on line 34 Max row is 4 with 58 sumMax col is 0 with 0 sum
Output for 7.3.32 - 7.3.33
Warning: array_sum() expects parameter 1 to be array, null given in /in/6eZ0A on line 34 Max row is 4 with 58 sumMax col is 0 with 0 sum
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274.94 ms | 401 KiB | 330 Q