結果

問題 No.5017 Tool-assisted Shooting
ユーザー allegrogiken
提出日時 2023-07-16 17:59:34
言語 D
(dmd 2.109.1)
結果
AC  
実行時間 31 ms / 2,000 ms
コード長 4,570 bytes
コンパイル時間 3,266 ms
コンパイル使用メモリ 101,660 KB
実行使用メモリ 24,252 KB
スコア 7,495
平均クエリ数 98.83
最終ジャッジ日時 2023-07-16 17:59:45
合計ジャッジ時間 10,316 ms
ジャッジサーバーID
（参考情報） 		judge13 / judge11
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ファイルパターン 結果
other AC * 100
権限があれば一括ダウンロードができます

ソースコード

diff # 

void main() { runSolver(); }

// ----------------------------------------------

void problem() {
  enum TURNS = 1000;
  enum AREA_Y = 60;
  enum AREA_X = 25;

  auto enemy_h = new int[][](TURNS + AREA_Y, AREA_X);
  auto enemy_s = new int[][](TURNS + AREA_Y, AREA_X);
  auto enemy_p = new int[][](TURNS + AREA_Y, AREA_X);

  int[2] calcDistance(int cur, int goal) {
    if (cur == goal) return [0, 0];

    if (cur < goal) {
      const d1 = goal - cur;
      const d2 = AREA_X + cur - goal;
      return d1 <= d2 ? [d1, 1] : [d2, -1];
    } else {
      const d1 = cur - goal;
      const d2 = AREA_X - cur + goal;
      return d1 <= d2 ? [d1, -1] : [d2, 1];
    }
  }

  long score, exp;
  long power = 1;
  int cur = 12, target = -1, targetY;

  foreach(y; 0..TURNS) {
    const N = scan!int;
    if (N == -1) break;

    foreach(_; 0..N) {
      auto H = scan!int;
      auto P = scan!int;
      auto X = scan!int;

      enemy_h[AREA_Y + y - 1][X] = H;
      enemy_s[AREA_Y + y - 1][X] = H;
      enemy_p[AREA_Y + y - 1][X] = P;
    }

    if (target == -1) {
      long best = -1;

      foreach(x; 0..AREA_X) {
        const dist = max(0, calcDistance(cur, x)[0] - 1);
        foreach(dy; y + 1..y + AREA_Y) {
          const hp = enemy_h[dy][x];
          if (hp == 0) continue;

          const attacks = (hp + power - 1) / power;
          if (attacks > dy - y - dist) continue;
          
          const perf = enemy_p[dy][x] * 1_000_000 / max(1, attacks + dist);
          if (chmax(best, perf)) {
            target = x;
            targetY = dy;
          }
        }
      }
    }

    [exp].deb;
    
    if (target == -1) {
      "S".writeln;
    } else {
      auto d = calcDistance(cur, target);
      // d.deb;
      writeln(d[1] == -1 ? "L" : d[1] == 0 ? "S" : "R");
      cur += d[1];
      cur = (cur + AREA_X) % AREA_X;

      if (cur == target) {
        enemy_h[targetY][target] -= power;
        if (enemy_h[targetY][target] <= 0) {
          score += enemy_s[targetY][target];
          exp += enemy_p[targetY][target];
          power = 1 + (exp / 100);
          target = -1;

        }
      }
    }

    stdout.flush;
  }
}

// ----------------------------------------------

import std.stdio, std.conv, std.array, std.string, std.algorithm, std.container, std.range, std.math, std.typecons, std.numeric, std.traits, std.functional, std.bigint, std.datetime.stopwatch, core.time, core.bitop, std.random;
string scan(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; }
T scan(T)(){ return scan.to!T; }
T[] scan(T)(long n){ return n.iota.map!(i => scan!T()).array; }
void deb(T ...)(T t){ debug { write("#"); writeln(t); }}
T[] divisors(T)(T n) { T[] ret; for (T i = 1; i * i <= n; i++) { if (n % i == 0) { ret ~= i; if (i * i != n) ret ~= n / i; } } return ret.sort.array; }
bool chmin(T)(ref T a, T b) { if (b < a) { a = b; return true; } else return false; }
bool chmax(T)(ref T a, T b) { if (b > a) { a = b; return true; } else return false; }
string charSort(alias S = "a < b")(string s) { return (cast(char[])((cast(byte[])s).sort!S.array)).to!string; }
ulong comb(ulong a, ulong b) { if (b == 0) {return 1;}else{return comb(a - 1, b - 1) * a / b;}}
string toAnswerString(R)(R r) { return r.map!"a.to!string".joiner(" ").array.to!string; }
void outputForAtCoder(T)(T delegate() fn) {
  static if (is(T == float) || is(T == double) || is(T == real)) "%.16f".writefln(fn());
  else static if (is(T == void)) fn();
  else static if (is(T == string)) fn().writeln;
  else static if (isInputRange!T) {
    static if (!is(string == ElementType!T) && isInputRange!(ElementType!T)) foreach(r; fn()) r.toAnswerString.writeln;
    else foreach(r; fn()) r.writeln;
  }
  else fn().writeln;
}
void runSolver() {
  problem();
}
enum YESNO = [true: "Yes", false: "No"];

// -----------------------------------------------

struct Vector2(T) {
  T x, y;
  Vector2 add(Vector2 other) { return Vector2(x + other.x, y + other.y ); }
  Vector2 opAdd(Vector2 other) { return add(other); }
  Vector2 sub(Vector2 other) { return Vector2(x - other.x, y - other.y ); }
  Vector2 opSub(Vector2 other) { return sub(other); }
  T norm(Vector2 other) {return (x - other.x)*(x - other.x) + (y - other.y)*(y - other.y); }
  T dot(Vector2 other) {return x*other.y - y*other.x; }
  Vector2 normalize() {if (x == 0 || y == 0) return Vector2(x == 0 ? 0 : x/x.abs, y == 0 ? 0 : y/y.abs);const gcd = x.abs.gcd(y.abs);return Vector2(x / gcd, y / gcd);}
  string toString() { return "%s %s".format(x, y); }
}
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