結果

問題 No.217 魔方陣を作ろう
ユーザー LayCurseLayCurse
提出日時 2015-05-26 22:40:27
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 3,842 bytes
コンパイル時間 1,795 ms
コンパイル使用メモリ 170,632 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-06 10:01:38
合計ジャッジ時間 2,479 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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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 1 ms
6,812 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 1 ms
6,940 KB
testcase_06 AC 1 ms
6,940 KB
testcase_07 AC 1 ms
6,944 KB
testcase_08 AC 2 ms
6,944 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 2 ms
6,944 KB
testcase_11 AC 1 ms
6,940 KB
testcase_12 AC 2 ms
6,944 KB
testcase_13 AC 2 ms
6,944 KB
testcase_14 AC 2 ms
6,940 KB
testcase_15 AC 2 ms
6,944 KB
testcase_16 AC 2 ms
6,944 KB
testcase_17 AC 2 ms
6,940 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘void reader(double*)’:
main.cpp:15:29: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   15 | void reader(double *x){scanf("%lf",x);}
      |                        ~~~~~^~~~~~~~~

ソースコード

diff # 

#include<bits/stdc++.h>
using namespace std;

#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)

#define mygc(c) (c)=getchar_unlocked()
#define mypc(c) putchar_unlocked(c)

#define ll long long
#define ull unsigned ll

void reader(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
void reader(ll *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);}
void reader(double *x){scanf("%lf",x);}
int reader(char c[]){int i,s=0;for(;;){mygc(i);if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF) break;}c[s++]=i;for(;;){mygc(i);if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF) break;c[s++]=i;}c[s]='\0';return s;}
template <class T, class S> void reader(T *x, S *y){reader(x);reader(y);}
template <class T, class S, class U> void reader(T *x, S *y, U *z){reader(x);reader(y);reader(z);}
template <class T, class S, class U, class V> void reader(T *x, S *y, U *z, V *w){reader(x);reader(y);reader(z);reader(w);}

void writer(int x, char c){int s=0,m=0;char f[10];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(ll x, char c){int s=0,m=0;char f[20];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);}
void writer(double x, char c){printf("%.15f",x);mypc(c);}
void writer(const char c[]){int i;for(i=0;c[i]!='\0';i++)mypc(c[i]);}
void writer(const char x[], char c){int i;for(i=0;x[i]!='\0';i++)mypc(x[i]);mypc(c);}
template<class T> void writerLn(T x){writer(x,'\n');}
template<class T, class S> void writerLn(T x, S y){writer(x,' ');writer(y,'\n');}
template<class T, class S, class U> void writerLn(T x, S y, U z){writer(x,' ');writer(y,' ');writer(z,'\n');}
template<class T> void writerArr(T x[], int n){int i;if(!n){mypc('\n');return;}rep(i,n-1)writer(x[i],' ');writer(x[n-1],'\n');}

char memarr[17000000]; void *mem = memarr;
#define MD 1000000007

#define VI vector<int>
#define VII vector<VI >

VII solve(int n){
  int i, j, k, ii, jj;
  VI per;
  VII res, bef, chk;

  rep(i,n) per.push_back(0);
  rep(i,n) res.push_back(per);

  if(n%2==1){
    k = 0;
    rep(i,n) rep(j,n){
      res[(n-j+2*i)%n][(n-i+j+(n/2))%n] = ++k;
    }
  }
  if(n%4==0){
    k = 0;
    rep(i,n) rep(j,n){
      ii = i%4; jj = j%4;
      k++;
      if( (ii==0||ii==3) && (jj==0||jj==3) ) res[i][j] = k;
      if( (ii==1||ii==2) && (jj==1||jj==2) ) res[i][j] = k;
    }
    k = 0;
    for(i=n-1;i>=0;i--) for(j=n-1;j>=0;j--){
      k++;
      if(res[i][j]==0) res[i][j] = k;
    }
  }
  if(n%4==2){
    chk = bef = solve(n/2);
    rep(i,n/2) rep(j,n/2) bef[i][j] = 4*(bef[i][j]-1);
    rep(i,n/2) rep(j,n/2) chk[i][j] = 'L';
    rep(i,n/4) rep(j,n/2) chk[n/2-1-i][j] = 'X';
    rep(j,n/2) chk[n/4+1][j] = 'U';
    swap(chk[n/4][n/4], chk[n/4+1][n/4]);
    rep(i,n/2) rep(j,n/2){
      if(chk[i][j]=='L'){
        res[2*i+0][2*j+0] = bef[i][j] + 4;
        res[2*i+0][2*j+1] = bef[i][j] + 1;
        res[2*i+1][2*j+0] = bef[i][j] + 2;
        res[2*i+1][2*j+1] = bef[i][j] + 3;
      }
      if(chk[i][j]=='U'){
        res[2*i+0][2*j+0] = bef[i][j] + 1;
        res[2*i+0][2*j+1] = bef[i][j] + 4;
        res[2*i+1][2*j+0] = bef[i][j] + 2;
        res[2*i+1][2*j+1] = bef[i][j] + 3;
      }
      if(chk[i][j]=='X'){
        res[2*i+0][2*j+0] = bef[i][j] + 1;
        res[2*i+0][2*j+1] = bef[i][j] + 4;
        res[2*i+1][2*j+0] = bef[i][j] + 3;
        res[2*i+1][2*j+1] = bef[i][j] + 2;
      }
    }
  }

  return res;
}

int main(){
  int i, j, k;
  int N;
  int arr[1000];

  reader(&N);
  VII res = solve(N);
  rep(i,N){
    rep(j,N) arr[j] = res[i][j];
    writerArr(arr, N);
  }

  return 0;
}
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