結果
| 問題 |
No.3306 Life is Easy?
|
| コンテスト | |
| ユーザー |
 takumi152
|
| 提出日時 | 2025-10-05 15:55:10 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 11,651 bytes |
| コンパイル時間 | 3,230 ms |
| コンパイル使用メモリ | 366,948 KB |
| 実行使用メモリ | 7,844 KB |
| 最終ジャッジ日時 | 2025-10-05 15:56:05 |
| 合計ジャッジ時間 | 55,186 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge5 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| other | WA * 25 RE * 10 |
ソースコード
#ifdef __GNUC__
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
// #pragma GCC target ("avx2")
#endif
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <array>
#include <algorithm>
#include <utility>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <bitset>
#include <random>
#include <functional>
#include <cmath>
#include <cassert>
#ifdef _MSC_VER
#include <intrin.h>
#else
#include <x86intrin.h>
#endif
struct xorshift64 {
unsigned long long int x = 88172645463325252ULL;
inline unsigned short nextUShort() {
x = x ^ (x << 7);
return x = x ^ (x >> 9);
}
inline unsigned int nextUShortMod(unsigned long long int mod) {
x = x ^ (x << 7);
x = x ^ (x >> 9);
return ((x & 0x0000ffffffffffff) * mod) >> 48;
}
inline unsigned int nextUInt() {
x = x ^ (x << 7);
return x = x ^ (x >> 9);
}
inline unsigned int nextUIntMod(unsigned long long int mod) {
x = x ^ (x << 7);
x = x ^ (x >> 9);
return ((x & 0x00000000ffffffff) * mod) >> 32;
}
inline unsigned long long int nextULL() {
x = x ^ (x << 7);
return x = x ^ (x >> 9);
}
inline double nextDouble() {
x = x ^ (x << 7);
x = x ^ (x >> 9);
return (double)x * 5.42101086242752217e-20;
}
};
struct timer {
double t = 0.0;
double lastStop = 0.0;
bool stopped = false;
timer() {
restart();
}
inline void restart() {
t = now();
stopped = false;
}
inline void start() {
if (stopped) {
t += now() - lastStop;
stopped = false;
}
}
inline void stop() {
if (!stopped) {
lastStop = now();
stopped = true;
}
}
inline double time() {
if (stopped) return lastStop - t;
else return now() - t;
}
inline double now() {
#ifdef _MSC_VER
#ifdef LOCAL
return __rdtsc() * 2.857142857142857e-10; // 1 / 3.5e9, for local (Ryzen 9 3950X)
#else
//return __rdtsc() * 3.5714285714285715e-10; // 1 / 2.8e9, for AWS EC2 C3 (Xeon E5-2680 v2)
//return __rdtsc() * 3.4482758620689656e-10; // 1 / 2.9e9, for AWS EC2 C4 (Xeon E5-2666 v3)
//return __rdtsc() * 3.333333333333333e-10; // 1 / 3.0e9, for AWS EC2 C5 (Xeon Platinum 8124M / Xeon Platinum 8275CL)
return __rdtsc() * 4.3478260869565215e-10; // 1 / 2.3e9, for yukicoder judge
#endif
#else
unsigned long long l, h;
__asm__ ("rdtsc" : "=a"(l), "=d"(h));
#ifdef LOCAL
return (double)(l | h << 32) * 2.857142857142857e-10; // 1 / 3.5e9, for local (Ryzen 9 3950X)
#else
//return (double)(l | h << 32) * 3.5714285714285715e-10; // 1 / 2.8e9, for AWS EC2 C3 (Xeon E5-2680 v2)
//return (double)(l | h << 32) * 3.4482758620689656e-10; // 1 / 2.9e9, for AWS EC2 C4 (Xeon E5-2666 v3)
//return (double)(l | h << 32) * 3.333333333333333e-10; // 1 / 3.0e9, for AWS EC2 C5 (Xeon Platinum 8124M / Xeon Platinum 8275CL)
return (double)(l | h << 32) * 4.3478260869565215e-10; // 1 / 2.3e9, for yukicoder judge
#endif
#endif
}
};
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef pair<int, int> Pii;
typedef unsigned char uchar;
const ll mod = 1000000007;
timer theTimer;
xorshift64 theRandom;
mt19937 theMersenne(1);
// hyper parameters
// structs
// enums
// constants
// inputs
int day_num, stone_num;
vector<vector<ll>> stone_day_price;
// outputs
ll ans;
// environment
// state
vector<pair<int, bool>> action_of_day; // stone_id, is_buy
vector<vector<pair<int, bool>>> actions_for_stone; // day_idx, is_buy
// score
vector<ll> stone_score;
ll total_score;
void get_first_input() {
cin >> day_num >> stone_num;
stone_day_price = vector<vector<ll>>(day_num, vector<ll>(stone_num));
for (int i = 0; i < day_num; i++) {
for (int j = 0; j < stone_num; j++) {
cin >> stone_day_price[i][j];
}
}
}
void init() {
action_of_day = vector<pair<int, bool>>(day_num, make_pair(0, false));
actions_for_stone = vector<vector<pair<int, bool>>>(day_num, vector<pair<int, bool>>());
for (int i = 0; i < day_num; i++) {
actions_for_stone[0].emplace_back(i, false);
}
stone_score = vector<ll>(stone_num);
total_score = 0;
}
void update_score_partial(int stone_idx) {
total_score -= stone_score[stone_idx];
stone_score[stone_idx] = 0;
priority_queue<int, vector<int>, greater<int>> que;
for (auto &[day, is_buy]: actions_for_stone[stone_idx]) {
if (is_buy) {
que.emplace(stone_day_price[day][stone_idx]);
}
else if (!que.empty()) {
auto buy_price = que.top();
que.pop();
stone_score[stone_idx] += stone_day_price[day][stone_idx] - buy_price;
}
}
total_score += stone_score[stone_idx];
}
void update_score_full() {
stone_score.assign(stone_num, 0);
total_score = 0;
for (int i = 0; i < stone_num; i++) {
update_score_partial(i);
}
}
ll get_score() {
return total_score;
}
void solve() {
update_score_full();
ll score = get_score();
ll last_score = score;
ll best_score = score;
const double base_temperature = 1e9;
const double target_temperature = 1e-2;
// const double decay_rate = 4e-5;
double temperature = base_temperature;
int iter_count = 0;
double time_start = theTimer.time();
const double time_limit = 1.900;
while (theTimer.time() < time_limit) {
double roll = theRandom.nextDouble();
if (roll < 0.50) {
int d = theRandom.nextUIntMod(day_num);
bool b = theRandom.nextUIntMod(2) == 0;
int s = theRandom.nextUIntMod(stone_num);
auto act = action_of_day[d];
action_of_day[d] = make_pair(s, b);
actions_for_stone[act.first].erase(find(actions_for_stone[act.first].begin(), actions_for_stone[act.first].end(), make_pair(d, act.second)));
actions_for_stone[s].insert(lower_bound(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d, b)), make_pair(d, b));
update_score_partial(act.first);
update_score_partial(s);
score = get_score();
#ifdef DEBUG
if (iter_count % 100000 == 0) cerr << iter_count << " " << score << " " << last_score << " " << best_score << " " << temperature << " " << theTimer.time() << endl;
#endif
if (score >= last_score) {
// cerr << "Y " << iter_count << " " << d << " " << (int) b << " " << s << endl;
last_score = score;
if (score > best_score) {
best_score = score;
}
}
else if (theRandom.nextDouble() < exp(double(score - last_score) / temperature)) { // accept
// cerr << "Y " << iter_count << " " << d << " " << (int) b << " " << s << endl;
last_score = score;
}
else { // rollback
// cerr << "N " << iter_count << " " << d << " " << (int) b << " " << s << endl;
// for (int i = 0; i < day_num; i++) {
// cerr << "A " << i << " " << action_of_day[i].first << " " << (int) action_of_day[i].second << endl;
// }
// for (int i = 0; i < stone_num; i++) {
// cerr << "S " << i << " " << stone_score[i] << " ";
// for (auto &x: actions_for_stone[i]) {
// cerr << "(" << x.first << ", " << (int) x.second << ") ";
// }
// cerr << endl;
// }
action_of_day[d] = act;
actions_for_stone[s].erase(find(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d, b)));
actions_for_stone[act.first].insert(lower_bound(actions_for_stone[act.first].begin(), actions_for_stone[act.first].end(), make_pair(d, act.second)), make_pair(d, act.second));
update_score_partial(act.first);
update_score_partial(s);
// cerr << score << " " << last_score << " " << get_score() << endl;
}
}
else if (roll < 1.00) {
int d1 = theRandom.nextUIntMod(day_num);
int d2 = theRandom.nextUIntMod(day_num);
int s = theRandom.nextUIntMod(stone_num);
if (d1 == d2) continue;
if (d1 > d2) swap(d1, d2);
auto act1 = action_of_day[d1];
action_of_day[d1] = make_pair(s, true);
actions_for_stone[act1.first].erase(find(actions_for_stone[act1.first].begin(), actions_for_stone[act1.first].end(), make_pair(d1, act1.second)));
actions_for_stone[s].insert(lower_bound(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d1, true)), make_pair(d1, true));
auto act2 = action_of_day[d2];
action_of_day[d2] = make_pair(s, false);
actions_for_stone[act2.first].erase(find(actions_for_stone[act2.first].begin(), actions_for_stone[act2.first].end(), make_pair(d2, act2.second)));
actions_for_stone[s].insert(lower_bound(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d2, false)), make_pair(d2, false));
update_score_partial(act1.first);
update_score_partial(act2.first);
update_score_partial(s);
score = get_score();
#ifdef DEBUG
if (iter_count % 100000 == 0) cerr << iter_count << " " << score << " " << last_score << " " << best_score << " " << temperature << " " << theTimer.time() << endl;
#endif
if (score >= last_score) {
last_score = score;
if (score > best_score) {
best_score = score;
}
}
else if (theRandom.nextDouble() < exp(double(score - last_score) / temperature)) { // accept
last_score = score;
}
else { // rollback
action_of_day[d1] = act1;
actions_for_stone[s].erase(find(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d1, true)));
actions_for_stone[act1.first].insert(lower_bound(actions_for_stone[act1.first].begin(), actions_for_stone[act1.first].end(), make_pair(d1, act1.second)), make_pair(d1, act1.second));
action_of_day[d2] = act2;
actions_for_stone[s].erase(find(actions_for_stone[s].begin(), actions_for_stone[s].end(), make_pair(d2, false)));
actions_for_stone[act2.first].insert(lower_bound(actions_for_stone[act2.first].begin(), actions_for_stone[act2.first].end(), make_pair(d2, act2.second)), make_pair(d2, act2.second));
update_score_partial(act1.first);
update_score_partial(act2.first);
update_score_partial(s);
}
}
// auto ss = stone_score;
// update_score_full();
// if (last_score != get_score()) {
// cerr << "X " << last_score << " " << get_score() << endl;
// for (int i = 0; i < day_num; i++) {
// cerr << "A " << i << " " << action_of_day[i].first << " " << (int) action_of_day[i].second << endl;
// }
// for (int i = 0; i < stone_num; i++) {
// cerr << "S " << i << " " << ss[i] << " " << stone_score[i] << " ";
// for (auto &x: actions_for_stone[i]) {
// cerr << "(" << x.first << ", " << (int) x.second << ") ";
// }
// cerr << endl;
// }
// assert(false);
// }
// temperature *= 1.0 - decay_rate;
temperature = exp(log(base_temperature) - ((log(base_temperature) - log(target_temperature)) * ((theTimer.time() - time_start) * (1.0 / (time_limit - time_start)))));
iter_count++;
}
cerr << "iter_count = " << iter_count << endl;
cerr << "score = " << score << endl;
cerr << "best_score = " << best_score << endl;
cerr << "temperature = " << temperature << endl;
ans = best_score;
}
void output_ans() {
cout << ans << endl;
}
int main(int argc, char *argv[]) {
cin.tie(0);
ios::sync_with_stdio(false);
get_first_input();
init();
solve();
output_ans();
return 0;
}