回答編集履歴
3
調整
test
CHANGED
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@@ -107,3 +107,71 @@
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107
107
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print_r($list);
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108
108
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109
109
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```
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110
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+
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111
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112
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113
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+
# 第n週のx曜日
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114
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115
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```PHP
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116
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117
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$start="2019-01-01";
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118
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119
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$end ="2019-12-31";
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120
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121
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$d_start =strtotime($start." first day of 0 month");
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122
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123
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$d_end =strtotime($end." first day of 1 month");
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124
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125
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$day_of_week=["sunday","monday","tueday","wednesday","thuesday","friday","saturday"];
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126
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127
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$target=[["sunday",6]];
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128
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129
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$list=[];
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130
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131
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$d=$d_start;
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132
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133
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$c=0;
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134
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135
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while($d<$d_end){
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136
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137
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$w=(date("w",$d));
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138
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139
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foreach($target as $val){
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140
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141
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$offset=array_search($val[0],$day_of_week)<$w?1:0;
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142
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143
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$day=date("Y-m-d",strtotime(date("Y-m-d",$d).sprintf(" first %s of 0 month +%d week",$val[0],$val[1]-1-$offset)));
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144
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+
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145
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if(date("Y-m",$d)==substr($day,0,7)) $list[]=$day;
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146
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147
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}
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148
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149
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$d=strtotime(date("Y-m-d",$d)." + 1 month");
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150
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151
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}
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152
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153
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sort($list);
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154
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155
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$list=array_filter($list,function($x) use($start,$end){
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156
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157
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return $x>=$start and $x<=$end;
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158
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159
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});
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160
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161
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print_r($list);
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162
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163
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```
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164
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165
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上記で
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166
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167
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```PHP
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168
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169
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$start="2018-01-01";
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170
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171
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$end ="2050-07-25";
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172
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173
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$target=[["monday",1],["tuesday",2],["thursday",3]];
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174
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175
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```
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176
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177
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とすれば最初の命題にも合致すると思います
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2
tuiki
test
CHANGED
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@@ -49,3 +49,61 @@
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49
49
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50
50
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51
51
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```
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52
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53
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54
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55
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# 追記
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56
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57
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任意の曜日とn番目を指定
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58
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59
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```PHP
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60
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61
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$start="2018-01-01";
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62
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63
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$end ="2050-07-25";
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64
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65
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66
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67
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$d_start =strtotime($start." first day of 0 month");
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68
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69
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$d_end =strtotime($end." first day of 1 month");
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70
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71
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72
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73
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$target=[["monday",1],["tuesday",2],["thursday",3]];
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74
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75
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//上記、第1月曜、第2火曜、第3木曜
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76
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77
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78
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79
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$list=[];
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80
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+
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81
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$d=$d_start;
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82
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+
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83
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$c=0;
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84
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+
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85
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while($d<$d_end){
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86
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+
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87
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foreach($target as $val){
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88
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89
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$list[]=date("Y-m-d",strtotime(date("Y-m-d",$d).sprintf(" first %s of 0 month +%d week",$val[0],$val[1]-1)));
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90
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+
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91
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+
}
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92
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+
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93
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+
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94
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+
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95
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+
$d=strtotime(date("Y-m-d",$d)." + 1 month");
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96
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+
|
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97
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+
}
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98
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+
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99
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+
sort($list);
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100
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+
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101
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+
$list=array_filter($list,function($x) use($start,$end){
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102
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+
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103
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return $x>=$start and $x<=$end;
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104
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+
|
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105
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+
});
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106
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+
|
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107
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+
print_r($list);
|
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108
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+
|
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109
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+
```
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1
chousei
test
CHANGED
|
@@ -18,13 +18,9 @@
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18
18
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19
19
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20
20
|
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21
|
-
|
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22
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-
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23
21
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$list=[];
|
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24
22
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25
23
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$d=$d_start;
|
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26
|
-
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27
|
-
$c=0;
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28
24
|
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29
25
|
while($d<$d_end){
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30
26
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