結果

問題 No.871 かえるのうた
ユーザー daut-dlang
提出日時 2019-08-30 22:02:16
言語 D
(dmd 2.109.1)
結果
AC  
実行時間 63 ms / 2,000 ms
コード長 1,996 bytes
コンパイル時間 802 ms
コンパイル使用メモリ 114,768 KB
実行使用メモリ 13,140 KB
最終ジャッジ日時 2024-06-22 02:25:23
合計ジャッジ時間 3,106 ms
ジャッジサーバーID
(参考情報)
judge5 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 49
権限があれば一括ダウンロードができます
コンパイルメッセージ
/home/linuxbrew/.linuxbrew/opt/dmd/include/dlang/dmd/std/numeric.d(2999): Warning: cannot inline function `std.numeric.gcdImpl!ulong.gcdImpl`

ソースコード

diff #
プレゼンテーションモードにする

import std.stdio, std.conv, std.functional, std.string;
import std.algorithm, std.array, std.container, std.range, std.typecons;
import std.numeric, std.math, std.random;
import core.bitop;
string FMT_F = "%.10f";
static string[] s_rd;
T RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; }
string RDR()() { return readln.chomp; }
T[] ARR(T = long)(in string str, T fix = 0) { auto r = str.split.to!(T[]); r[] += fix; return r; }
T[] RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; }
T[][] RDA2(T = long)(size_t n, T[] fix = []) { auto r = new T[][](n); foreach (i; 0..n) { r[i] = readln.chomp.split.to!(T[]); foreach (j, e; fix)
    r[i][j] += e; } return r; }
size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;}
size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; }
bool inside(T)(T x, T b, T e) { return x >= b && x < e; }
long lcm(long x, long y) { return x * y / gcd(x, y); }
long mod = 10^^9 + 7;
//long mod = 998244353;
//long mod = 1_000_003;
void moda(ref long x, long y) { x = (x + y) % mod; }
void mods(ref long x, long y) { x = ((x + mod) - (y % mod)) % mod; }
void modm(ref long x, long y) { x = (x * y) % mod; }
void main()
{
auto N = RD;
auto K = RD-1;
auto X = RDA;
auto A = RDA;
long xl = X[K] - A[K], xr = X[K] + A[K];
long l = K, r = K;
bool changed = true;
while (changed)
{
changed = false;
foreach (i; r+1..N)
{
if (X[i] <= xr)
{
r = i;
xr = max(xr, X[i] + A[i]);
xl = min(xl, X[i] - A[i]);
changed = true;
}
else
break;
}
foreach_reverse (i; 0..l)
{
if (X[i] >= xl)
{
l = i;
xr = max(xr, X[i] + A[i]);
xl = min(xl, X[i] - A[i]);
changed = true;
}
else
break;
}
}
writeln(r-l+1);
stdout.flush();
debug readln();
}
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