結果

問題 No.3 ビットすごろく
ユーザー 👑 testestesttestestest
提出日時 2015-08-10 02:17:58
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 70 ms / 5,000 ms
コード長 379 bytes
コンパイル時間 467 ms
コンパイル使用メモリ 21,228 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-01 07:28:45
合計ジャッジ時間 1,921 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 33
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: In function ‘g’:
main.c:9:1: warning: implicit declaration of function ‘memcpy’ [-Wimplicit-function-declaration]
    9 | memcpy(b,a,n*4+4);
      | ^~~~~~
main.c:1:1: note: include ‘<string.h>’ or provide a declaration of ‘memcpy’
  +++ |+#include <string.h>
    1 | int f(int x){
main.c:9:1: warning: incompatible implicit declaration of built-in function ‘memcpy’ [-Wbuiltin-declaration-mismatch]
    9 | memcpy(b,a,n*4+4);
      | ^~~~~~
main.c:9:1: note: include ‘<string.h>’ or provide a declaration of ‘memcpy’
main.c: In function ‘main’:
main.c:22:1: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   22 | scanf("%d",&n);
      | ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | int f(int x){
main.c:22:1: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
   22 | scanf("%d",&n);
      | ^~~~~
main.c:22:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:24:1: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   24 | printf("%d",a[n]?i+1:-1);
      | ^~~~~~
main.c:24:1: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:24:1: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:24:1: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

ソースコード

diff #

int f(int x){
int s=x%2;
while(x/=2)s+=x%2;
return s;
}

int g(int*a,int n){
int b[10001],i,j,s=0;
memcpy(b,a,n*4+4);
for(i=1;i<=n;i++){
if(!a[i])continue;
j=f(i);
if(i+j<=n&&!a[i+j])b[i+j]++,s++;
if(i-j>0&&!a[i-j])b[i-j]++,s++;
}
memcpy(a,b,n*4+4);
return s;
}

int main(){
int a[10001]={0,1},i=0,n;
scanf("%d",&n);
while(!a[n]&&g(a,n))i++;
printf("%d",a[n]?i+1:-1);
return 0;
}
0