結果
| 問題 |
No.875 Range Mindex Query
|
| コンテスト | |
| ユーザー |
daut-dlang
|
| 提出日時 | 2019-09-06 23:08:21 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 152 ms / 2,000 ms |
| コード長 | 2,861 bytes |
| コンパイル時間 | 785 ms |
| コンパイル使用メモリ | 116,500 KB |
| 実行使用メモリ | 10,496 KB |
| 最終ジャッジ日時 | 2024-06-22 02:29:16 |
| 合計ジャッジ時間 | 2,933 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 18 |
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
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 = "%.15f";
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; }
struct SegTree
{
long delegate(long, long) f;
long[] data;
long init;
this(in long[] _data, long delegate(long, long) _f, long _init)
{
f = _f; init = _init;
size_t n = 1; while (n < _data.length) n *= 2; data.length = n*2-1;
foreach (i; 0.._data.length) data[i+n-1] = _data[i];
foreach (i; _data.length..n) data[i+n-1] = _init;
foreach_reverse (i; 0..n-1) data[i] = f(data[i*2+1], data[i*2+2]);
}
long query(size_t l, size_t r) const
{
size_t n = (data.length+1) / 2; l += n-1; r += n-1; long res = f(init, data[l]);
while (l < r)
{
if ((l & 1) == 0) res = f(res, data[l]);
if ((r & 1) == 0) res = f(res, data[r-1]);
l = l/2; r = (r-1)/2;
}
return res;
}
void update(size_t i, long v)
{
i += (data.length+1) / 2 - 1; data[i] = v;
while (i != 0) { i = (i-1)/2; data[i] = f(data[i*2+1], data[i*2+2]); }
}
}
void main()
{
auto N = RD;
auto Q = RD;
auto a = RDA;
a ~= long.max;
auto pos = MIN_POS!("a > b")(a);
auto b = new long[](N+1);
foreach (i; 0..b.length) b[i] = i;
auto st = SegTree(b, (long x, long y) => a[x] < a[y] ? x : y, N);
long[] ans;
foreach (i; 0..Q)
{
auto x = RD;
auto l = RD-1;
auto r = RD-1;
if (x == 1)
{
swap(a[l], a[r]);
st.update(l, l);
st.update(r, r);
}
else
{
ans ~= st.query(l, r+1);
}
debug writeln(st.data);
}
foreach (e; ans)
writeln(e+1);
stdout.flush();
debug readln();
}
daut-dlang