結果
問題 | No.5020 Averaging |
ユーザー | gucci0512 |
提出日時 | 2024-02-25 13:38:39 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 986 ms / 1,000 ms |
コード長 | 2,664 bytes |
コンパイル時間 | 4,188 ms |
コンパイル使用メモリ | 230,900 KB |
実行使用メモリ | 6,676 KB |
スコア | 31,344,287 |
最終ジャッジ日時 | 2024-02-25 13:39:36 |
合計ジャッジ時間 | 56,120 ms |
ジャッジサーバーID (参考情報) |
judge10 / judge11 |
純コード判定しない問題か言語 |
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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 | 983 ms
6,676 KB |
testcase_01 | AC | 982 ms
6,676 KB |
testcase_02 | AC | 957 ms
6,676 KB |
testcase_03 | AC | 956 ms
6,676 KB |
testcase_04 | AC | 981 ms
6,676 KB |
testcase_05 | AC | 956 ms
6,676 KB |
testcase_06 | AC | 981 ms
6,676 KB |
testcase_07 | AC | 955 ms
6,676 KB |
testcase_08 | AC | 981 ms
6,676 KB |
testcase_09 | AC | 957 ms
6,676 KB |
testcase_10 | AC | 982 ms
6,676 KB |
testcase_11 | AC | 956 ms
6,676 KB |
testcase_12 | AC | 956 ms
6,676 KB |
testcase_13 | AC | 981 ms
6,676 KB |
testcase_14 | AC | 985 ms
6,676 KB |
testcase_15 | AC | 982 ms
6,676 KB |
testcase_16 | AC | 981 ms
6,676 KB |
testcase_17 | AC | 956 ms
6,676 KB |
testcase_18 | AC | 981 ms
6,676 KB |
testcase_19 | AC | 982 ms
6,676 KB |
testcase_20 | AC | 983 ms
6,676 KB |
testcase_21 | AC | 958 ms
6,676 KB |
testcase_22 | AC | 957 ms
6,676 KB |
testcase_23 | AC | 986 ms
6,676 KB |
testcase_24 | AC | 985 ms
6,676 KB |
testcase_25 | AC | 957 ms
6,676 KB |
testcase_26 | AC | 982 ms
6,676 KB |
testcase_27 | AC | 955 ms
6,676 KB |
testcase_28 | AC | 984 ms
6,676 KB |
testcase_29 | AC | 957 ms
6,676 KB |
testcase_30 | AC | 982 ms
6,676 KB |
testcase_31 | AC | 956 ms
6,676 KB |
testcase_32 | AC | 982 ms
6,676 KB |
testcase_33 | AC | 958 ms
6,676 KB |
testcase_34 | AC | 983 ms
6,676 KB |
testcase_35 | AC | 957 ms
6,676 KB |
testcase_36 | AC | 982 ms
6,676 KB |
testcase_37 | AC | 956 ms
6,676 KB |
testcase_38 | AC | 958 ms
6,676 KB |
testcase_39 | AC | 983 ms
6,676 KB |
testcase_40 | AC | 982 ms
6,676 KB |
testcase_41 | AC | 982 ms
6,676 KB |
testcase_42 | AC | 956 ms
6,676 KB |
testcase_43 | AC | 958 ms
6,676 KB |
testcase_44 | AC | 981 ms
6,676 KB |
testcase_45 | AC | 982 ms
6,676 KB |
testcase_46 | AC | 983 ms
6,676 KB |
testcase_47 | AC | 981 ms
6,676 KB |
testcase_48 | AC | 956 ms
6,676 KB |
testcase_49 | AC | 957 ms
6,676 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=b-1;i>=a;i--) #define all(x) (x).begin(),(x).end() #define pb(x) push_back(x); template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; } typedef long long ll; typedef long double lld; using namespace std; using namespace atcoder; const double TIME_LIMIT = 0.95; const ll BASE = 500000000000000000; clock_t start=clock(); clock_t process=clock(); // random_device seed_gen; // mt19937 engine(seed_gen()); mt19937 engine(0); typedef pair<ll,ll> P; const int N = 45; const int M = 50; ll A[N],B[N]; void Input(){ int _n;cin >> _n; rep(i,0,N)cin >> A[i] >> B[i]; } struct Solution{ int X; vector<int> u,v; P Simulate(){ ll a[N],b[N];rep(i,0,N)a[i]=A[i],b[i]=B[i]; rep(i,0,X){ ll tmp1=(a[u[i]]+a[v[i]])/2; ll tmp2=(b[u[i]]+b[v[i]])/2; a[u[i]]=tmp1;a[v[i]]=tmp1; b[u[i]]=tmp2;b[v[i]]=tmp2; } return P(a[0],b[0]); } void Output(){ cout << X << endl; rep(i,0,X)cout << u[i]+1 << " " << v[i]+1 << endl; } }; Solution InitSolve(){ Solution res_sol; rep(i,0,M){ int x=random()%N; int y=random()%N; while(x==y){ y=random()%N; } res_sol.u.pb(x); res_sol.v.pb(y); res_sol.X++; } return res_sol; } Solution HillClimbing(Solution sol){ Solution now_sol=sol; P now_score=now_sol.Simulate(); ll now_v1=abs(BASE-now_score.first); ll now_v2=abs(BASE-now_score.second); while((double)(clock()-start)/CLOCKS_PER_SEC<TIME_LIMIT){ int idx=random()%M; int x=random()%N; int y=random()%N; while(x==y){ y=random()%N; } int pre_x=now_sol.u[idx]; int pre_y=now_sol.v[idx]; now_sol.u[idx]=x; now_sol.v[idx]=y; P next_score=now_sol.Simulate(); ll next_v1=abs(BASE-next_score.first); ll next_v2=abs(BASE-next_score.second); if(max(now_v1,now_v2)>max(next_v1,next_v2)){ now_v1=next_v1; now_v2=next_v2; now_score=next_score; } else{ now_sol.u[idx]=pre_x; now_sol.v[idx]=pre_y; } } return now_sol; } int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); Input(); Solution sol=InitSolve(); P res=sol.Simulate(); Solution next_sol=HillClimbing(sol); next_sol.Output(); }