結果
| 問題 | No.5017 Tool-assisted Shooting |
| ユーザー |
 qLethon
|
| 提出日時 | 2023-07-16 18:16:58 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 9,203 bytes |
| コンパイル時間 | 3,623 ms |
| コンパイル使用メモリ | 240,348 KB |
| 実行使用メモリ | 35,072 KB |
| スコア | 0 |
| 最終ジャッジ日時 | 2023-07-16 18:17:09 |
| 合計ジャッジ時間 | 9,992 ms |
|
ジャッジサーバーID （参考情報） |
judge17 / judge16 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | TLE | - |
| testcase_01 | -- | - |
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| testcase_98 | -- | - |
| testcase_99 | -- | - |
ソースコード
#include <bits/stdc++.h>
// #include "atcoder/all"
// #define FROMFILE
// #define NOSUBMIT
// #define TUNE
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
using namespace std;
using i64 = long long;
const i64 MOD = 1e9 + 7;
const i64 INF = i64(1e18);
template <typename T>
bool chmin(T& x, T y){
if(x > y){
x = y;
return true;
}
return false;
}
template <typename T>
bool chmax(T& x, T y){
if(x < y){
x = y;
return true;
}
return false;
}
namespace params{
void load_params(){
ifstream ifs("../params.txt");
assert(ifs.is_open());
// TODO: load params
}
}
void read_file(istream& ifs){
// TODO: read from file
}
constexpr int turn_max = 1000;
constexpr int n_col = 25;
constexpr int height = 60;
int turn = 0;
int now_x = 12;
struct State{
bool exists = false;
int max_hp = -1;
int now_hp = -1;
int power = -1;
};
vector<vector<State>> state;
vector<vector<int>> hp_inp, power_inp, col_inp;
vector<int> col_cnt;
int power = 0;
int score = 0;
bool input(){
int n;
cin >> n;
if(n == -1){
return false;
}
hp_inp.emplace_back(n);
power_inp.emplace_back(n);
col_inp.emplace_back(n);
for(int i = 0; i < n; ++i){
cin >> hp_inp.back()[i] >> power_inp.back()[i] >> col_inp.back()[i];
// spawn at (*, 59)
state[turn + height][col_inp.back()[i]] = { true, hp_inp.back()[i], hp_inp.back()[i], power_inp.back()[i] };
++col_cnt[col_inp.back()[i]];
}
return true;
}
State& get_state(int col_, int height_){
return state[turn + height_ + 1][col_];
};
double power_weight = 4.289958881617464e-06;
double hp_weight = 4.289958881617464e-06;
double score_weight = 2.3081801550296716e-08;
int solve(){
// col: [0, 25)
// height: [0, 60)
vector<vector<int>> target_idxes(n_col);
for(int i = 0; i < height; ++i){
for(int j = 0; j < n_col; ++j){
auto& st = get_state(j, i);
if(st.exists){
target_idxes[j].emplace_back(i);
}
}
}
struct BeamState{
vector<pair<int,int>> killed;
int x;
int target_y = 0;
int target_enemy_hp = 0;
int got_score = 0, got_power = 0;
int mov = 0;
int dep = 0;
double score() const{
double w = double(turn + dep) / turn_max;
return (1 - w) * (power_weight * got_power - hp_weight * target_enemy_hp) + w * score_weight * got_score;
}
int level() const{
return 1 + got_power / 100;
}
bool operator==(const BeamState& a) const{
return killed == a.killed && target_enemy_hp == a.target_enemy_hp && x == a.x && got_power == a.got_power && got_score == a.got_score;
}
};
auto target = [&](BeamState& bs, int depth){
// TODO: speed up from O(n^2)
for(auto y : target_idxes[bs.x]){
if(depth <= y && find(bs.killed.begin(), bs.killed.end(), make_pair(bs.x, y)) == bs.killed.end()){
return y;
}
}
return -1;
};
constexpr int WIDTH = 40;
/*
{
cout << "Now x: " << now_x << endl;
for(int i = 0; i < 10; ++i){
for(int j = 0; j < n_col; ++j){
if(get_state(j, i).exists){
cout << "exist: " << j << " " << i << endl;
}
}
}
cout << endl;
}
*/
vector<BeamState> b_states;
b_states.emplace_back();
b_states.back().x = now_x;
b_states.back().got_score = score;
b_states.back().got_power = power;
int first_tar = target(b_states.back(), 0);
assert(first_tar != 0);
b_states.back().target_y = first_tar;
b_states.back().target_enemy_hp = get_state(now_x, first_tar).now_hp;
for(int dep = 0; dep < height && dep + turn <= turn_max; ++dep){
vector<BeamState> b_nex;
for(auto& b_state : b_states){
for(auto d : {0, 1, 24}){
auto nex = b_state;
nex.x = (nex.x + d) % n_col;
int tar = target(nex, dep);
if(dep == 0){
nex.mov = d == 24 ? -1 : d;
}
if(dep == tar){
continue;
}
if(tar != -1){
if(d == 0 && nex.target_y == tar){
nex.target_enemy_hp -= nex.level();
}
else{
nex.target_enemy_hp = get_state(nex.x, tar).now_hp - nex.level();
}
if(nex.target_enemy_hp <= 0){
nex.got_power += get_state(nex.x, tar).power;
nex.got_score += get_state(nex.x, tar).max_hp;
nex.killed.emplace_back(nex.x, tar);
}
else if(dep + 1 == tar){
continue;
}
}
nex.target_y = tar;
nex.dep = dep;
b_nex.emplace_back(nex);
}
}
sort(b_nex.begin(), b_nex.end(), [](auto x, auto y){return x.score() > y.score();});
b_nex.erase(unique(b_nex.begin(), b_nex.end()), b_nex.end());
if(WIDTH < b_nex.size()){
b_nex.resize(WIDTH);
}
swap(b_nex, b_states);
}
// cerr << "score / power : " << b_states.front().got_score << " " << b_states.front().got_power << endl;
// return 0;
return b_states.front().mov;
}
int distLeft(int a, int b) {
return a < b ? 25 + a - b : a - b;
}
int distRight(int a, int b) {
return a < b ? b - a : 25 + b - a;
}
bool sw = false;
int greedy(int t){
int lv = 1 + power / 100;
double str = ((7.5+0.15*t)+(1.5+0.03*t)) / lv;
if (str < 2) {
sw = true;
}
vector<int> miny(25, 60);
vector<pair<int, int>> rem;
for (int x = 0; x < 25; x++) {
for (int y = 0; y < 60; y++) {
auto& st = get_state(x, y);
if (st.exists) {
rem.emplace_back(x, y);
miny[x] = y;
break;
}
}
}
pair<int, int> tai = make_pair(-1, -1);
double md = 0x1000000;
bool canMoveLeft = miny[(now_x+24)%25]>=2;
bool canMoveRight = miny[(now_x+1)%25]>=2;
for (auto [mx, my] : rem) {
auto& st = get_state(mx, my);
int dist = now_x == mx ? 0 : 0x1000000;
if (canMoveLeft) {
dist = min(dist, distLeft(now_x, mx));
}
if (canMoveRight) {
dist = min(dist, distRight(now_x, mx));
}
int turn = dist + (st.now_hp + lv - 1) / lv;
if (my - turn <= 0) {
continue;
}
double val;
if (sw) {
val = turn;
} else {
val = -((double)st.power / turn);
}
if (tai.first == -1 || md > val) {
tai = make_pair(mx, my);
md = val;
}
}
if (tai.first != -1) {
if (miny[now_x] >= 2 && tai.first == now_x) {
return 0;
} else if (canMoveLeft && (!canMoveRight || distLeft(tai.first, now_x) < distRight(tai.first, now_x))) {
return -1;
} else {
return 1;
}
} else {
if (miny[now_x] >= 2) {
return 0;
} else if (canMoveLeft && !canMoveRight) {
return -1;
} else {
return 1;
}
}
}
void act(int x_diff){
assert(!get_state(now_x, 0).exists);
if(x_diff == -1){
cout << 'L' << endl;
now_x = (now_x + 24) % n_col;
}
if(x_diff == 0){
cout << 'S' << endl;
}
if(x_diff == 1){
cout << 'R' << endl;
now_x = (now_x + 1) % n_col;
}
assert(!get_state(now_x, 0).exists);
for(int i = 0; i < height; ++i){
auto& st = get_state(now_x, i);
if(st.exists){
assert(i != 0);
int level = 1 + power / 100;
st.now_hp -= level;
if(st.now_hp <= 0){
st.exists = false;
power += st.power;
score += st.max_hp;
}
assert(!(st.now_hp > 0 && i == 1));
break;
}
}
}
signed main(int argc, char *argv[]){
clock_t st = clock();
#ifdef TUNE
vector<string> args(argv, argv + argc);
power_weight = stod(args[1]);
hp_weight = stod(args[2]);
score_weight = stod(args[3]);
#endif
#ifdef OPTIMIZE
params::load_params();
#endif
#ifdef NOSUBMIT
vector<int> p(25);
for(auto& x : p){
cin >> x;
}
#endif
col_cnt.resize(n_col, 0);
state.resize(turn_max + 100, vector<State>(n_col));
for(turn = 0; turn < turn_max; ++turn){
bool res = input();
assert(res);
act(solve());
// act(greedy(turn));
}
cerr << "Score = " << score << endl;
/*
#ifndef FROMFILE
// TODO: input
read_file(cin);
#else
ifstream ifs("../tools/in/0003.txt");
assert(ifs.is_open());
read_file(ifs);
#endif
*/
}