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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. $n = 20;
  6. for ($i = 1; $i<=$n; $i++) {
  7. 	echo "{$i}x{$i} = ".$i*$i."\n";
  8. }
Success #stdin #stdout 0.02s 52472KB
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stdin
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stdout
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1x1 = 1
2x2 = 4
3x3 = 9
4x4 = 16
5x5 = 25
6x6 = 36
7x7 = 49
8x8 = 64
9x9 = 81
10x10 = 100
11x11 = 121
12x12 = 144
13x13 = 169
14x14 = 196
15x15 = 225
16x16 = 256
17x17 = 289
18x18 = 324
19x19 = 361
20x20 = 400
https://ideone.com/gWyK0D
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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