結果

問題 No.602 隠されていたゲーム2
ユーザー 👑 testestest
提出日時 2017-12-02 00:53:35
言語 C
(gcc 13.3.0)
結果
AC  
実行時間 43 ms / 2,000 ms
コード長 884 bytes
コンパイル時間 485 ms
コンパイル使用メモリ 30,592 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-12-15 23:58:23
合計ジャッジ時間 1,469 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge1
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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:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
    3 | c(int*a,int*b){return*a-*b;}
      | ^
main.c:4:1: warning: return type defaults to 'int' [-Wimplicit-int]
    4 | f(int x,int*a,int n){
      | ^
main.c:13:1: warning: return type defaults to 'int' [-Wimplicit-int]
   13 | g(i){
      | ^
main.c: In function 'g':
main.c:13:1: warning: type of 'i' defaults to 'int' [-Wimplicit-int]
main.c:14:15: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
   14 |         int l=abs(x-a[i]),r=x+a[i];
      |               ^~~
main.c:1:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
  +++ |+#include <stdlib.h>
    1 | #define int long
main.c:14:20: warning: 'abs' argument 1 type is 'long int' where 'int' is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mismatch]
   14 |         int l=abs(x-a[i]),r=x+a[i];
      |                   ~^~~~~
<built-in>: note: built-in 'abs' declared here
main.c: At top level:
main.c:28:1: warning: return type defaults to 'int' [-Wimplicit-int]
   28 | main(){
      | ^~~~
main.c: In function 'main':
main.c:29:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   29 |         scanf("%d",&n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #define int long
main.c:29:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   29 |         scanf("%d",&n);
      |         ^~~~~
main.c:29:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:35:9: warning: implicit declaration of function 'qsort' [-Wimplicit-function-declaration]
   35 |         qsort(a,n,sizeof(int),c);
      |         ^~~~~
main.c:39:15: warning: 'abs' argument 1 type is 'long int' where 'int' is expected in a call to built-in function declared without prototype [-Wbuiltin-declaration-mis

ソースコード

diff #
プレゼンテーションモードにする

#define int long
int ans,a[200000],odd[200000],even[200000],oddc,evenc,n,x,y;
c(int*a,int*b){return*a-*b;}
f(int x,int*a,int n){
    int l=0,r=n;
    while(r-l>1){
        int m=(l+r)/2;
        if(a[m]>x)r=m;
        else l=m;
    }
    return l;
}
g(i){
    int l=abs(x-a[i]),r=x+a[i];
    //l以上r以下があればok
    int *aa;
    int nn;
    if(l%2==1){
        aa=odd;
        nn=oddc;
    }else{
        aa=even;
        nn=evenc;
    }
    int temp=f(l,aa,nn);
    return l<=aa[temp]&&aa[temp]<=r||temp+1<nn&&l<=aa[temp+1]&&aa[temp+1]<=r;
}
main(){
    scanf("%d",&n);
    for(int i=0;i<n;i++){
        scanf("%d",a+i);
        if(a[i]%2==1)odd[oddc++]=a[i];
        else even[evenc++]=a[i];
    }
    qsort(a,n,sizeof(int),c);
    qsort(odd,oddc,sizeof(int),c);
    qsort(even,evenc,sizeof(int),c);
    scanf("%d%d",&x,&y);
    x=abs(x)+abs(y);
    if(x==0){puts("0");return 0;}
    if(a[f(x,a,n)]==x){puts("1");return 0;}
    else{
        for(int i=0;i<n;i++)if(g(i)){puts("2");return 0;}
    }
    puts("-1");
}
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