結果

問題 No.183 たのしい排他的論理和(EASY)
ユーザー LayCurseLayCurse
提出日時 2015-04-16 23:26:58
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 14 ms / 5,000 ms
コード長 2,660 bytes
コンパイル時間 1,473 ms
コンパイル使用メモリ 159,868 KB
実行使用メモリ 16,640 KB
最終ジャッジ日時 2024-06-29 01:42:28
合計ジャッジ時間 2,447 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
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 13 ms
16,384 KB
testcase_01 AC 13 ms
16,512 KB
testcase_02 AC 13 ms
16,512 KB
testcase_03 AC 13 ms
16,512 KB
testcase_04 AC 13 ms
16,512 KB
testcase_05 AC 13 ms
16,384 KB
testcase_06 AC 13 ms
16,640 KB
testcase_07 AC 14 ms
16,512 KB
testcase_08 AC 14 ms
16,384 KB
testcase_09 AC 14 ms
16,512 KB
testcase_10 AC 14 ms
16,512 KB
testcase_11 AC 14 ms
16,512 KB
testcase_12 AC 13 ms
16,384 KB
testcase_13 AC 13 ms
16,384 KB
testcase_14 AC 14 ms
16,512 KB
testcase_15 AC 14 ms
16,512 KB
testcase_16 AC 13 ms
16,512 KB
testcase_17 AC 13 ms
16,512 KB
testcase_18 AC 14 ms
16,512 KB
testcase_19 AC 13 ms
16,512 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);}
      |                        ~~~~~^~~~~~~~~
main.cpp: In function ‘int main()’:
main.cpp:45:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   45 |   scanf("%d",&N);
      |   ~~~~~^~~~~~~~~
main.cpp:46:17: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   46 |   rep(i,N) scanf("%llu",A[i]);
      |            ~~~~~^~~~~~~~~~~~~

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');}

int binaryGaussJordan(int r, int c, int right, ull **mat){int i,j,k,b =(c+right+63)/64,a=0;rep(j,c){REP(i,a,r)if(mat[i][j>>6]&(1ULL<<(j&63))) break;if(i==r)continue;if(i!=a)REP(k,j>>6,b)swap(mat[i][k],mat[a][k]);REP(i,a+1,r)if(mat[i][j>>6]&(1ULL<<(j&63)))REP(k,j>>6,b)mat[i][k]^=mat[a][k];a++;}return a;}

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

int N;
ull *A[110000];

int main(){
  int i, j, k;
  ll res;

  rep(i,110000) A[i] = (ull*)malloc(100);

  scanf("%d",&N);
  rep(i,N) scanf("%llu",A[i]);

  res = binaryGaussJordan(N, 64, 0, A);
  printf("%llu\n",(1ULL<<res));

  return 0;
}
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