結果
| 問題 |
No.177 制作進行の宮森あおいです!
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-01-19 16:53:36 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 3,644 bytes |
| コンパイル時間 | 1,039 ms |
| コンパイル使用メモリ | 121,056 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-06-13 03:19:31 |
| 合計ジャッジ時間 | 1,475 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 13 |
ソースコード
import std.conv, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons;
import core.bitop;
class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }
void chmin(T)(ref T t, in T f) { if (t > f) t = f; }
void chmax(T)(ref T t, in T f) { if (t < f) t = f; }
int binarySearch(T)(in T[] as, in bool delegate(T) test) { int low = -1, upp = cast(int)(as.length); for (; low + 1 < upp; ) { int mid = (low + upp) >> 1; (test(as[mid]) ? low : upp) = mid; } return upp; }
int lowerBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a < val)); }
int upperBound(T)(in T[] as, in T val) { return as.binarySearch((T a) => (a <= val)); }
class MaxFlow(CAPA) {
static immutable CAPA wEPS = 0;
static immutable CAPA wINF = 1001001001;
int n, m;
int[][] g;
int[] zu;
CAPA[] capa;
CAPA tof;
int[] lev, see, que;
this (int n) {
this.n = n; m = 0; g = new int[][n]; zu = null; capa = null;
lev = new int[n]; see = new int[n]; que = new int[n];
}
void ae(int u, int v, CAPA w0, CAPA w1 = 0) {
g[u] ~= m; zu ~= v; capa ~= w0; ++m;
g[v] ~= m; zu ~= u; capa ~= w1; ++m;
}
CAPA augment(int src, int ink, CAPA flo) {
if (src == ink) return flo;
foreach (i; g[src][see[src] .. $]) {
if (capa[i] > wEPS && lev[src] < lev[zu[i]]) {
CAPA f = augment(zu[i], ink, min(flo, capa[i]));
if (f > wEPS) {
capa[i] -= f; capa[i ^ 1] += f; return f;
}
}
++see[src];
}
return 0;
}
bool dinic(int src, int ink, CAPA flo = wINF) {
for (tof = 0; tof + wEPS < flo; ) {
int[] q;
lev[] = -1;
dinicBFS:
for (lev[src] = 0, q ~= src; !q.empty; ) {
int u = q.front; q.popFront;
foreach (i; g[u]) {
int v = zu[i];
if (capa[i] > wEPS && lev[v] == -1) {
lev[v] = lev[u] + 1; q ~= v;
if (v == ink) break dinicBFS;
}
}
}
if (lev[ink] == -1) return false;
see[] = 0;
for (; ; ) {
CAPA f = augment(src, ink, flo - tof);
if (f <= wEPS) break;
tof += f;
}
}
return true;
}
}
int W;
int N;
int[] J;
int M;
int[] C;
int[] Q;
int[][] X;
void main() {
try {
for (; ; ) {
W = readInt();
N = readInt();
J = new int[N];
foreach (i; 0 .. N) {
J[i] = readInt();
}
M = readInt();
C = new int[M];
foreach (j; 0 .. M) {
C[j] = readInt();
}
Q = new int[M];
X = new int[][M];
foreach (j; 0 .. M) {
Q[j] = readInt();
X[j] = new int[Q[j]];
foreach (k; 0 .. Q[j]) {
X[j][k] = readInt() - 1;
}
}
auto mf = new MaxFlow!int(2 + N + M);
foreach (i; 0 .. N) {
mf.ae(0, 2 + i, J[i]);
}
foreach (j; 0 .. M) {
mf.ae(2 + N + j, 1, C[j]);
}
foreach (j; 0 .. M) {
auto del = new bool[N];
foreach (i; X[j]) {
del[i] = true;
}
foreach (i; 0 .. N) {
if (!del[i]) {
mf.ae(2 + i, 2 + N + j, W);
}
}
}
const ans = mf.dinic(0, 1, W);
writeln(ans ? "SHIROBAKO" : "BANSAKUTSUKITA");
}
} catch (EOFException e) {
}
}