結果

問題 No.130 XOR Minimax
ユーザー 👑 testestest
提出日時 2015-12-02 22:36:47
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 25 ms / 5,000 ms
コード長 323 bytes
コンパイル時間 112 ms
コンパイル使用メモリ 20,736 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-09-12 22:36:46
合計ジャッジ時間 1,384 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 21
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.c:1:1: warning: data definition has no type or storage class
    1 | a[100000];
      | ^
main.c:1:1: warning: type defaults to ‘int’ in declaration of ‘a’ [-Wimplicit-int]
main.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    2 | c(int*a,int*b){return*a-*b;}
      | ^
main.c:4:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    4 | x(int*a,int n,int i){
      | ^
main.c:12:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
   12 | main(n){
      | ^~~~
main.c: In function ‘main’:
main.c:12:1: warning: type of ‘n’ defaults to ‘int’ [-Wimplicit-int]
main.c:13:11: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   13 | for(n=-2;~scanf("%d",++n+a););
      |           ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | a[100000];
main.c:13:11: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
   13 | for(n=-2;~scanf("%d",++n+a););
      |           ^~~~~
main.c:13:11: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:14:1: warning: implicit declaration of function ‘qsort’ [-Wimplicit-function-declaration]
   14 | qsort(a,n,4,c);
      | ^~~~~
main.c:15:9: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   15 | return !printf("%d",x(a,n,29));
      |         ^~~~~~
main.c:15:9: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:15:9: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:15:9: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

ソースコード

diff #
プレゼンテーションモードにする

a[100000];
c(int*a,int*b){return*a-*b;}
x(int*a,int n,int i){
if(i==-1)return 0;
if(~(*a^a[n-1])>>i&1)return x(a,n,i-1);
int l=0,u=n,m;
for(;u-l>1;a[m=(l+u)/2]>>i&1?u=m:(l=m));
return 1<<i|(l=x(a,u,i-1),l<(m=x(a+u,n-u,i-1))?l:m);
}
main(n){
for(n=-2;~scanf("%d",++n+a););
qsort(a,n,4,c);
return !printf("%d",x(a,n,29));
}
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