結果
問題 | No.1103 Directed Length Sum |
ユーザー | Yoichiro Nishimura |
提出日時 | 2023-12-16 11:17:55 |
言語 | PHP (8.3.4) |
結果 |
AC
|
実行時間 | 1,130 ms / 3,000 ms |
コード長 | 4,103 bytes |
コンパイル時間 | 272 ms |
コンパイル使用メモリ | 32,528 KB |
実行使用メモリ | 447,596 KB |
最終ジャッジ日時 | 2024-09-27 07:37:47 |
合計ジャッジ時間 | 12,171 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 41 ms
32,212 KB |
testcase_01 | AC | 41 ms
32,404 KB |
testcase_02 | AC | 935 ms
447,596 KB |
testcase_03 | AC | 729 ms
83,516 KB |
testcase_04 | AC | 647 ms
83,640 KB |
testcase_05 | AC | 1,130 ms
118,460 KB |
testcase_06 | AC | 430 ms
63,160 KB |
testcase_07 | AC | 124 ms
40,636 KB |
testcase_08 | AC | 173 ms
46,392 KB |
testcase_09 | AC | 90 ms
36,668 KB |
testcase_10 | AC | 229 ms
50,744 KB |
testcase_11 | AC | 701 ms
85,436 KB |
testcase_12 | AC | 435 ms
65,080 KB |
testcase_13 | AC | 234 ms
50,744 KB |
testcase_14 | AC | 77 ms
36,536 KB |
testcase_15 | AC | 339 ms
59,068 KB |
testcase_16 | AC | 788 ms
93,752 KB |
testcase_17 | AC | 823 ms
95,800 KB |
testcase_18 | AC | 227 ms
50,748 KB |
testcase_19 | AC | 722 ms
85,688 KB |
testcase_20 | AC | 102 ms
40,248 KB |
testcase_21 | AC | 157 ms
42,296 KB |
testcase_22 | AC | 594 ms
75,324 KB |
testcase_23 | AC | 367 ms
61,112 KB |
コンパイルメッセージ
No syntax errors detected in Main.php
ソースコード
<?php $N = int(); $G = array_fill(1, $N, false); $inCount = array_fill(1, $N, 0); // どうしてもMLEしてしまうので、行先が1つの場合は配列にせず扱う for($i = 0; $i < $N-1; $i++){ [$f, $t] = ints(); if($G[$f]===false){ $G[$f] = $t; }elseif(is_array($G[$f])){ $G[$f][] = $t; }else{ $G[$f] = [$G[$f], $t]; } $inCount[$t]++; } $root = array_search(0, $inCount); unset($inCount); $answer = 0; dfs($root, 0, 0); echo $answer; function dfs($from, $anseCount, $anseScore){ global $G, $answer; $anseScore+=$anseCount; $answer+=$anseScore; $answer%=10**9+7; $anseCount++; if($G[$from]===false){ }elseif(is_array($G[$from])){ foreach($G[$from] as $child){ dfs($child, $anseCount, $anseScore); } }else{ dfs($G[$from], $anseCount, $anseScore); } } function str(){return trim(fgets(STDIN));} function ints($n = false){ if($n===false){ $str = trim(fgets(STDIN));if($str == '')return []; return array_map('intval',explode(' ',$str)); }else{$ret = [];for($i = 0; $i < $n; $i++)foreach(array_map('intval',explode(' ',trim(fgets(STDIN)))) as $j => $v)$ret[$j][] = $v;return $ret;} } function int(){return intval(trim(fgets(STDIN)));} function chmax(&$a,$b){if($a<$b){$a=$b;return 1;}return 0;} function chmin(&$a,$b){if($a>$b){$a=$b;return 1;}return 0;} function isqrt($n):int{$res=intval(sqrt($n))+1;while($res*$res>$n)$res--;return $res;} function popcount($x){$c=0;while($x){$x&=$x-1;++$c;}return$c;} function swap(&$a,&$b){$tmp=$a;$a=$b;$b=$tmp;} function o(...$val){ if(count($val)==1)$val=array_shift($val); echo debug_backtrace()[0]['line'].")"; if(is_array($val)){ if(count($val) == 0)echo "empty array\n"; elseif(!is_array(current($val)))echo "array: ",implode(" ", addIndex($val)),"\n"; else{ echo "array:array\n"; if(isCleanArray($val))foreach($val as $row)echo implode(" ", addIndex($row)),"\n"; else foreach($val as $i => $row)echo "[".$i."] ".implode(" ", addIndex($row)),"\n"; } }else echo $val."\n"; } function addIndex($val){if(!isCleanArray($val)){$val = array_map(function($k, $v){return $k.":".$v;}, array_keys($val), $val);}return $val;} function isCleanArray($array){$clean=true;$i = 0;foreach($array as $k=>$v){if($k != $i++)$clean = false;}return $clean;} // 座圧対象の配列 -> [圧縮された配列,復元用のMap,圧縮用のMap] function atsu($array){$a = array_flip($array);$fuku=array_flip($a);sort($fuku);$atsu = array_flip($fuku);foreach($array as $i=>$val)$array[$i]=$atsu[$val];return [$array, $fuku, $atsu];} function atsu1($array){$a=array_flip($array);$fuku=array_flip($a);sort($fuku);array_unshift($fuku,0);unset($fuku[0]);$atsu=array_flip($fuku);foreach($array as $i=>$val)$array[$i]=$atsu[$val];return [$array, $fuku, $atsu];} function median($a){sort($a);$n=count($a);return $n%2?$a[($n-1)/2]:($a[$n/2-1]+$a[$n/2])/2;} function gcdAll($array){$gcd=$array[0];for($i=1,$I=count($array);$i<$I;++$i){$gcd=gcd($gcd,$array[$i]);}return $gcd;} function gcd($m, $n){if(!$n)return $m;return gcd($n, $m % $n);} function lcmAll($array){$lcm=$array[0];for($i=1,$I=count($array);$i<$I;++$i){$lcm=lcm($lcm,$array[$i]);}return $lcm;} function lcm($a, $b) {return $a / gcd($a, $b) * $b;} function loadTree($N = false){ if($N === false)$N = $GLOBALS['N']; return loadGraph($N, $N-1); } function loadGraph($N = false, $M = false, $both = true){ if($N === false)$N = $GLOBALS['N']; if($M === false)$M = $GLOBALS['M']; $G = array_fill(1, $N, []); for($i = 0; $i < $M; $i++){ $values = ints(); if(count($values) == 2){ list($a, $b) = $values; if($both == 0){ $G[$a][] = $b; }elseif($both == 1){ $G[$a][] = $b; $G[$b][] = $a; }else{ $G[$b][] = $a; } }else{ list($a, $b, $d) = $values; if($both == 0){ $G[$a][] = [$b, $d]; }elseif($both == 1){ $G[$a][] = [$b, $d]; $G[$b][] = [$a, $d]; }else{ $G[$b][] = [$a, $d]; } } } return $G; }