3v4l.org

run code in 300+ PHP versions simultaneously
<?php function solution($A) { $n = sizeof($A); $result = 0; for ($i = 0; $i < $n - 1; $i++) { if ($A[$i] == $A[$i + 1]) $result = $result + 1; } print_r($result."\n"); $r = 0; for ($i = 1; $i < $n; $i=$i+2) { $count = 0; if ($i > 0) { if ($A[$i - 1] != $A[$i]) $count = $count + 1; else $count = $count - 1; } if ($i < $n - 1) { if ($A[$i + 1] != $A[$i]) $count = $count + 1; else $count = $count - 1; } print_r($r.'!!!'.$count."\n"); $r = max($r, $count); } return $result + $r; } $A[0] = 1; $A[1] = 1; $A[2] = 1; print_r(solution($A));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00718.05
8.3.50.0110.00821.13
8.3.40.0070.00718.96
8.3.30.0030.01019.09
8.3.20.0050.00320.20
8.3.10.0050.00320.71
8.3.00.0080.00019.38
8.2.180.0070.00718.30
8.2.170.0090.00622.96
8.2.160.0160.00020.44
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.09
8.2.110.0040.00419.29
8.2.100.0090.00318.09
8.2.90.0050.00319.21
8.2.80.0110.00017.97
8.2.70.0030.00517.50
8.2.60.0030.00617.80
8.2.50.0000.00818.07
8.2.40.0040.00418.33
8.2.30.0040.00419.17
8.2.20.0060.00317.71
8.2.10.0040.00418.04
8.2.00.0070.00017.69
8.1.280.0140.00025.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00319.64
8.1.230.0090.00319.08
8.1.220.0040.00417.74
8.1.210.0030.00718.77
8.1.200.0100.00017.48
8.1.190.0080.00017.36
8.1.180.0040.00418.10
8.1.170.0030.00918.46
8.1.160.0070.00021.98
8.1.150.0070.00018.88
8.1.140.0000.00717.46
8.1.130.0070.00017.79
8.1.120.0050.00317.46
8.1.110.0000.00817.47
8.1.100.0040.00317.50
8.1.90.0000.00717.47
8.1.80.0000.00717.46
8.1.70.0060.00317.42
8.1.60.0030.00617.66
8.1.50.0050.00617.37
8.1.40.0040.00417.55
8.1.30.0040.00417.52
8.1.20.0000.00817.66
8.1.10.0040.00417.62
8.1.00.0000.00717.53
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.36
8.0.270.0000.00717.25
8.0.260.0060.00017.30
8.0.250.0070.00016.92
8.0.240.0030.00316.96
8.0.230.0030.00316.95
8.0.220.0070.00016.94
8.0.210.0080.00016.81
8.0.200.0030.00516.96
8.0.190.0000.00817.02
8.0.180.0040.00416.98
8.0.170.0090.00016.85
8.0.160.0000.00716.84
8.0.150.0040.00416.86
8.0.140.0100.00016.91
8.0.130.0000.00513.29
8.0.120.0070.00016.68
8.0.110.0040.00416.76
8.0.100.0000.00716.77
8.0.90.0000.00816.94
8.0.80.0060.01516.92
8.0.70.0040.00416.94
8.0.60.0070.00017.01
8.0.50.0050.00216.74
8.0.30.0160.00617.11
8.0.20.0120.00917.44
8.0.10.0030.00416.90
8.0.00.0110.01316.94
7.4.330.0000.00515.08
7.4.320.0000.00716.51
7.4.300.0060.00016.52
7.4.290.0000.00716.59
7.4.280.0040.00416.53
7.4.270.0060.00016.61
7.4.260.0030.00316.52
7.4.250.0000.00716.38
7.4.240.0020.00516.59
7.4.230.0040.00416.43
7.4.220.0030.01516.44
7.4.210.0110.00416.70
7.4.200.0040.00416.43
7.4.160.0110.00416.32
7.4.150.0100.00717.40
7.4.140.0100.01117.86
7.4.130.0080.01016.49
7.4.120.0090.00816.33
7.4.110.0030.01316.39
7.4.100.0110.00516.54
7.4.90.0070.01116.64
7.4.80.0070.01018.80
7.4.70.0070.01016.36
7.4.60.0170.00016.49
7.4.50.0000.00916.31
7.4.40.0070.01016.41
7.4.30.0100.01016.68
7.4.00.0000.01214.83
7.3.330.0070.00013.20
7.3.320.0050.00013.21
7.3.310.0070.00016.54
7.3.300.0000.00716.37
7.3.290.0130.00716.36
7.3.280.0020.01216.30
7.3.270.0090.00917.40
7.3.260.0090.00816.45
7.3.250.0110.00816.47
7.3.240.0060.01016.60
7.3.230.0030.01516.39
7.3.210.0110.00716.44
7.3.200.0070.01119.39
7.3.190.0110.00616.64
7.3.180.0150.00616.32
7.3.170.0090.01216.57
7.3.160.0100.00716.68
7.2.330.0160.00316.50
7.2.320.0140.00316.76
7.2.310.0130.00316.77
7.2.300.0070.01016.78
7.2.290.0060.01316.45
7.2.00.0030.01019.41
7.1.100.0070.00318.25
7.1.70.0040.00417.01
7.1.60.0090.01619.32
7.1.50.0110.01516.87
7.1.00.0000.08022.45
7.0.200.0070.00316.88
7.0.140.0030.07322.00
7.0.60.0030.05719.85
7.0.50.0200.06717.87
7.0.40.0100.08020.18
7.0.30.0230.06720.20
7.0.20.0300.07720.30
7.0.10.0100.05320.08
7.0.00.0070.09320.07
5.6.280.0100.06320.87
5.6.210.0070.08020.73
5.6.200.0100.08318.14
5.6.190.0130.03320.51
5.6.180.0100.07020.67
5.6.170.0300.07320.55
5.6.160.0100.08320.39
5.6.150.0000.04718.18
5.6.140.0070.03718.14
5.6.130.0100.08318.29
5.6.120.0100.04721.04
5.6.110.0030.04020.91
5.6.100.0100.08321.09
5.6.90.0070.04021.18
5.6.80.0100.05720.43
5.5.350.0230.08020.31
5.5.340.0070.08017.91
5.5.330.0170.07020.29
5.5.320.0070.06720.33
5.5.310.0200.03720.32
5.5.300.0100.07717.95
5.5.290.0030.08317.94
5.5.280.0200.05720.79
5.5.270.0030.06320.97
5.5.260.0070.08020.98
5.5.250.0030.08720.71
5.5.240.0170.03720.27
5.4.450.0270.03719.41
5.4.440.0970.06719.60
5.4.430.1170.05719.46
5.4.420.0670.00019.38
5.4.410.0670.00019.11
5.4.400.0630.00018.92
5.4.390.0630.00019.12
5.4.380.0300.06018.63
5.4.370.0470.07018.54
5.4.360.0370.05718.78
5.4.350.0400.05718.58
5.4.340.0400.05318.70
5.4.320.0070.03812.52
5.4.310.0070.03612.51
5.4.300.0050.03612.50
5.4.290.0040.04112.51
5.4.280.0020.03912.41
5.4.270.0030.03812.41
5.4.260.0050.03812.41
5.4.250.0080.03612.41
5.4.240.0050.03612.41
5.4.230.0070.04012.40
5.4.220.0030.03912.40
5.4.210.0090.03712.40
5.4.200.0090.03312.39
5.4.190.0050.03712.40
5.4.180.0060.03612.39
5.4.170.0040.04112.40
5.4.160.0110.03112.39
5.4.150.0060.03412.39
5.4.140.0040.03712.08
5.4.130.0080.03212.07
5.4.120.0080.03212.02
5.4.110.0050.03512.02
5.4.100.0070.03512.02
5.4.90.0040.03812.02
5.4.80.0050.04012.02
5.4.70.0080.03812.02
5.4.60.0050.03812.02
5.4.50.0050.03612.02
5.4.40.0080.03112.00
5.4.30.0050.03612.00
5.4.20.0050.03512.00
5.4.10.0020.03912.00
5.4.00.0050.03711.49
5.3.290.0050.04112.80
5.3.280.0050.04012.71
5.3.270.0070.03912.72
5.3.260.0030.04212.72
5.3.250.0060.03712.72
5.3.240.0080.03412.72
5.3.230.0030.04112.71
5.3.220.0090.03512.68
5.3.210.0030.04212.68
5.3.200.0050.03812.68
5.3.190.0060.03812.68
5.3.180.0120.04612.68
5.3.170.0040.04112.67
5.3.160.0030.04012.68
5.3.150.0080.04212.67
5.3.140.0080.03812.66
5.3.130.0080.04112.66
5.3.120.0040.04412.66
5.3.110.0050.04512.66
5.3.100.0100.03812.13
5.3.90.0060.04412.11
5.3.80.0050.03812.11
5.3.70.0080.04012.11
5.3.60.0090.04712.09
5.3.50.0040.04912.04
5.3.40.0080.03812.04
5.3.30.0070.04111.99
5.3.20.0070.04311.78
5.3.10.0060.03811.74
5.3.00.0040.04211.73
5.2.170.0030.0319.23
5.2.160.0050.0289.23
5.2.150.0010.0339.23
5.2.140.0060.0289.22
5.2.130.0080.0249.19
5.2.120.0050.0289.18
5.2.110.0060.0299.19
5.2.100.0030.0299.19
5.2.90.0040.0299.19
5.2.80.0060.0289.18
5.2.70.0040.0309.18
5.2.60.0050.0339.14
5.2.50.0050.0299.11
5.2.40.0060.0279.08
5.2.30.0110.0239.05
5.2.20.0060.0279.05
5.2.10.0100.0238.96
5.2.00.0040.0318.82
5.1.60.0040.0238.10
5.1.50.0030.0258.09
5.1.40.0030.0258.07
5.1.30.0060.0248.42
5.1.20.0030.0278.45
5.1.10.0030.0268.18
5.1.00.0020.0278.18
5.0.50.0050.0186.66
5.0.40.0040.0186.52
5.0.30.0040.0306.33
5.0.20.0010.0216.30
5.0.10.0020.0206.28
5.0.00.0020.0316.27
4.4.90.0010.0164.78
4.4.80.0010.0174.76
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0010.0264.70
4.4.30.0020.0154.75
4.4.20.0010.0164.85
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0050.0124.66
4.3.90.0030.0144.63
4.3.80.0010.0264.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0173.32
4.3.20.0020.0163.30
4.3.10.0000.0183.26
4.3.00.0100.01316.39

preferences:
39.7 ms | 401 KiB | 5 Q