結果
問題 | No.217 魔方陣を作ろう |
ユーザー |
|
提出日時 | 2022-06-04 16:47:54 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 3,364 bytes |
コンパイル時間 | 4,241 ms |
コンパイル使用メモリ | 235,992 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-21 03:46:20 |
合計ジャッジ時間 | 5,196 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 18 |
ソースコード
#include<bits/stdc++.h>#include<atcoder/all>using namespace std;using namespace atcoder;typedef long long int ll;typedef long double ld;#define FOR(i,l,r) for(ll i=l;i<r;i++)#define REP(i,n) FOR(i,0,n)#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)#define RREP(i,n) RFOR(i,0,n)#define ALL(x) x.begin(),x.end()#define PA pair<ll,ll>#define F first#define S second#define BS(A,x) binary_search(ALL(A),x)#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())#define COU(A,x) (UB(A,x)-LB(A,x))#define sz(c) ((ll)(c).size())//#include<boost/multiprecision/cpp_int.hpp>//namespace mp=boost::multiprecision;//using Bint=mp::cpp_int;template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.F<<" "<<p.S;return os;}template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.F>>p.S;return is;}template<typename T>ostream&operator<<(ostream&os,vector<T>&v){REP(i,sz(v))os<<v[i]<<(i+1!=sz(v)?" ":"");return os;}template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;}ld dist(ld x1,ld y1,ld x2,ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}using mint=modint1000000007;//using mint=modint998244353;//const ll mod=1000000007;const ll mod=998244353;//using mint=modint;ostream&operator<<(ostream&os,mint&a){os<<a.val();return os;}int main(){ll N;cin>>N;vector<vector<ll>>ans(N,vector<ll>(N));if(N%2){vector<vector<ll>>P(2*N-1,vector<ll>(2*N-1));REP(i,N)REP(j,N)P[i+j][N-1-i+j]=i*N+j+1;REP(i,N)REP(j,N){if(P[i+N/2][j+N/2])ans[i][j]=P[i+N/2][j+N/2];else if(i<j){if(i+j<N)ans[i][j]=P[i+N/2+N][j+N/2];else ans[i][j]=P[i+N/2][j+N/2-N];}else{if(i+j<N)ans[i][j]=P[i+N/2][j+N/2+N];else ans[i][j]=P[i+N/2-N][j+N/2];}}}else if(N%4){N/=2;vector<vector<ll>>P(2*N-1,vector<ll>(2*N-1));REP(i,N)REP(j,N)P[i+j][N-1-i+j]=i*N+j+1;REP(i,N)REP(j,N){if(P[i+N/2][j+N/2])ans[i][j]=P[i+N/2][j+N/2];else if(i<j){if(i+j<N)ans[i][j]=P[i+N/2+N][j+N/2];else ans[i][j]=P[i+N/2][j+N/2-N];}else{if(i+j<N)ans[i][j]=P[i+N/2][j+N/2+N];else ans[i][j]=P[i+N/2-N][j+N/2];}}vector<vector<ll>>Q(N,vector<ll>(N));REP(i,N)REP(j,N)Q[i][j]=4*ans[i][j]-4;P=Q;REP(i,N)REP(j,N){if(i<N/2||(i==N/2&&j!=N/2)||(i==N/2+1&&j==N/2)){ans[2*i][2*j]=P[i][j]+4;ans[2*i][2*j+1]=P[i][j]+1;ans[2*i+1][2*j]=P[i][j]+2;ans[2*i+1][2*j+1]=P[i][j]+3;}else if(i<N/2+2){ans[2*i][2*j]=P[i][j]+1;ans[2*i][2*j+1]=P[i][j]+4;ans[2*i+1][2*j]=P[i][j]+2;ans[2*i+1][2*j+1]=P[i][j]+3;}else{ans[2*i][2*j]=P[i][j]+1;ans[2*i][2*j+1]=P[i][j]+4;ans[2*i+1][2*j]=P[i][j]+3;ans[2*i+1][2*j+1]=P[i][j]+2;}}N*=2;}else{REP(i,N)REP(j,N){if(((i+3)%4/2)^((j+3)%4/2))ans[i][j]=i*N+j+1;else ans[i][j]=(N-1-i)*N+N-j;}}REP(i,N)cout<<ans[i]<<endl;return 0;}