結果

問題 No.2375 watasou and hibit's baseball
ユーザー asaringoasaringo
提出日時 2023-07-07 22:33:11
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 116 ms / 2,000 ms
コード長 3,511 bytes
コンパイル時間 2,506 ms
コンパイル使用メモリ 213,416 KB
実行使用メモリ 19,980 KB
最終ジャッジ日時 2023-09-29 00:02:53
合計ジャッジ時間 5,235 ms
ジャッジサーバーID
(参考情報)
judge12 / judge15
このコードへのチャレンジ
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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 AC 2 ms
4,376 KB
testcase_01 AC 1 ms
4,380 KB
testcase_02 AC 2 ms
4,376 KB
testcase_03 AC 28 ms
10,872 KB
testcase_04 AC 2 ms
4,380 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 116 ms
19,816 KB
testcase_07 AC 1 ms
4,380 KB
testcase_08 AC 11 ms
6,728 KB
testcase_09 AC 2 ms
4,380 KB
testcase_10 AC 1 ms
4,376 KB
testcase_11 AC 3 ms
4,376 KB
testcase_12 AC 47 ms
19,852 KB
testcase_13 AC 21 ms
11,112 KB
testcase_14 AC 2 ms
4,376 KB
testcase_15 AC 9 ms
4,992 KB
testcase_16 AC 6 ms
4,376 KB
testcase_17 AC 44 ms
19,948 KB
testcase_18 AC 1 ms
4,376 KB
testcase_19 AC 1 ms
4,376 KB
testcase_20 AC 4 ms
4,376 KB
testcase_21 AC 45 ms
19,852 KB
testcase_22 AC 1 ms
4,376 KB
testcase_23 AC 44 ms
19,864 KB
testcase_24 AC 43 ms
19,884 KB
testcase_25 AC 2 ms
4,376 KB
testcase_26 AC 56 ms
19,916 KB
testcase_27 AC 59 ms
19,936 KB
testcase_28 AC 64 ms
19,856 KB
testcase_29 AC 67 ms
19,936 KB
testcase_30 AC 72 ms
19,964 KB
testcase_31 AC 68 ms
19,904 KB
testcase_32 AC 76 ms
19,980 KB
testcase_33 AC 63 ms
19,848 KB
testcase_34 AC 59 ms
19,864 KB
testcase_35 AC 74 ms
19,864 KB
testcase_36 AC 68 ms
19,824 KB
testcase_37 AC 58 ms
19,880 KB
testcase_38 AC 43 ms
19,904 KB
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 #

#include <bits/stdc++.h>
using namespace std;
#define fast_io ios::sync_with_stdio(false); cin.tie(nullptr);
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
typedef long long ll;
typedef long double ld;
#define chmin(a,b) a = min(a,b);
#define chmax(a,b) a = max(a,b);
#define bit_count(x) __builtin_popcountll(x)
#define leading_zero_count(x) __builtin_clz(x)
#define trailing_zero_count(x) __builtin_ctz(x)
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) a / gcd(a,b) * b
#define rep(i,n) for(int i = 0 ; i < n ; i++)
#define rrep(i,a,b) for(int i = a ; i < b ; i++)
#define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++)
#define pt(a) cout << a << endl;
#define debug(a) cout << #a << " " << a << endl;
#define all(a) a.begin(), a.end()
#define endl "\n";
#define v1(n,a) vector<bool>(n,a)
#define v2(n,m,a) vector<vector<bool>>(n,v1(m,a))
#define v3(n,m,k,a) vector<vector<vector<bool>>>(n,v2(m,k,a))
#define v4(n,m,k,l,a) vector<vector<vector<vector<bool>>>>(n,v3(m,k,l,a))
template<typename T,typename U>istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;}
template<typename T,typename U>ostream &operator<<(ostream&os,const pair<T,U>&p){os<<p.first<<" "<<p.second;return os;}
template<typename T>istream &operator>>(istream&is,vector<T>&v){for(T &in:v){is>>in;}return is;}
template<typename T>ostream &operator<<(ostream&os,const vector<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}
template<typename T>istream &operator>>(istream&is,vector<vector<T>>&v){for(T &in:v){is>>in;}return is;}
template<typename T>ostream &operator<<(ostream&os,const vector<vector<T>>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?"\n":"");}return os;}
template<typename T>ostream &operator<<(ostream&os,const set<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}
template<typename T>ostream &operator<<(ostream&os,const multiset<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;}
#define dist(a,b,c,d) abs(a-c) + abs(b-d)

void solve(){
    int n, a, b;
    cin >> n >> a >> b;
    vector<int> X(n), Y(n), K(n);
    rep(i,n) cin >> X[i] >> Y[i] >> K[i];
    auto dp = v3(1<<n,n,n,false);
    rep(i,n){
        rep(j,n){
            if(i == j) continue;
            if(abs(K[i] - K[j]) >= b) dp[(1 << i) | (1 << j)][i][j] = true;
            int x = X[i], y = Y[i];
            int nx = X[j], ny = Y[j];
            if(dist(x,y,nx,ny) >= a) dp[(1 << i) | (1 << j)][i][j] = true;
        }
    }
    rep(S,1<<n){
        if(bit_count(S) < 2) continue;
        rep(i,n) {
            if(!(S >> i & 1)) continue;
            rep(j,n){
                if(!(S >> j & 1)) continue;
                if(!dp[S][i][j]) continue;
                rep(x,n){
                    if(S >> x & 1) continue;
                    if(abs(K[x] - K[i]) >= b) dp[S | 1 << x][x][i] = true;
                    int ppx = X[j], ppy = Y[j];
                    int px = X[i], py = Y[i];
                    int nx = X[x], ny = Y[x];
                    if(dist(px,py,nx,ny) >= a) dp[S | 1 << x][x][i] = true;
                    if(dist(px,py,nx,ny) + dist(ppx,ppy,nx,ny) >= a) dp[S | 1 << x][x][i] = true;
                }
            }
        }
    }
    int res = 1;
    rep(S,1<<n) rep(i,n) rep(j,n) {
        if(dp[S][i][j]) chmax(res,bit_count(S));
    }
    pt(res)
}

int main(){
    fast_io
    int t = 1;
    // cin >> t;
    rep(i,t) solve();
}
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