結果
| 問題 |
No.1054 Union add query
|
| コンテスト | |
| ユーザー |
daut-dlang
|
| 提出日時 | 2020-05-15 23:46:26 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,566 bytes |
| コンパイル時間 | 993 ms |
| コンパイル使用メモリ | 119,492 KB |
| 実行使用メモリ | 146,920 KB |
| 最終ジャッジ日時 | 2024-06-22 07:05:38 |
| 合計ジャッジ時間 | 4,971 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | TLE * 1 -- * 7 |
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.bigint, std.numeric, std.math, std.random;
import core.bitop;
string FMT_F = "%.10f";
static File _f;
void file_io(string fn) { _f = File(fn, "r"); }
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; }
T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; }
T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; }
T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; }
T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; }
T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); }
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; }
void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); }
bool inside(T)(T x, T b, T e) { return x >= b && x < e; }
T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); }
//long mod = 10^^9 + 7;
long mod = 998_244_353;
//long mod = 1_000_003;
void moda(T)(ref T x, T y) { x = (x + y) % mod; }
void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; }
void modm(T)(ref T x, T y) { x = (x * y) % mod; }
void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); }
void modd(T)(ref T x, T y) { x.modm(y.modpow(mod - 2)); }
struct UnionFind
{
void init(int n) { par = new int[](n); foreach (i; 0..n) par[i] = i; cnt = new int[](n); fill(cnt, 1); }
int root(int i) { return par[i] == i ? i : (par[i] = root(par[i])); }
bool same(int i, int j) { return root(i) == root(j); }
void unite(int i, int j) { i = root(i); j = root(j); if (i == j) return; par[i] = j; cnt[j] += cnt[i]; }
int size(int i) { return cnt[root(i)]; }
int[] par, cnt;
}
void main()
{
auto N = RD!int;
auto Q = RD;
auto tab = new int[][](Q);
int[int] list;
foreach (i; 0..Q)
{
tab[i] = [RD!int, RD!int-1, RD!int-1];
if (tab[i][0] == 2)
++tab[i][2];
else if (tab[i][0] == 3)
list[tab[i][1]] = 0;
}
auto chi = new int[][](N);
auto par = new int[][](N);
foreach (key; list.keys)
{
chi[key] ~= key;
par[key] ~= key;
}
auto score = new int[](N);
UnionFind uf;
uf.init(N);
foreach (i; 0..Q)
{
//debug writeln(chi);
//debug writeln(par);
//debug writeln(score);
auto t = tab[i][0];
auto a = tab[i][1];
auto b = tab[i][2];
if (t == 1)
{
auto lastAP = uf.root(a);
auto lastBP = uf.root(b);
if (lastAP == lastBP) continue;
uf.unite(a, b);
auto ap = uf.root(a);
auto bp = uf.root(b);
//debug writeln("p:", lastAP, " ap:", ap, " bp:", bp);
if (ap != lastAP)
{
chi[bp] ~= chi[lastAP];
foreach (e; chi[lastAP])
{
par[e] ~= bp;
list[e] -= score[bp];
}
}
else
{
chi[ap] ~= chi[lastBP];
foreach (e; chi[lastBP])
{
par[e] ~= ap;
list[e] -= score[ap];
}
}
}
else if (t == 2)
{
auto p = uf.root(a);
score[p] += b;
}
else
{
long s = list[a];
foreach (e; par[a])
{
s += score[e];
}
writeln(s);
}
}
stdout.flush;
debug readln;
}
daut-dlang