結果

問題 No.602 隠されていたゲーム2
ユーザー testestesttestestest
提出日時 2017-12-02 00:53:35
言語 C
(gcc 12.3.0)
結果
AC  
実行時間 45 ms / 2,000 ms
コード長 884 bytes
コンパイル時間 357 ms
コンパイル使用メモリ 30,464 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-05-09 11:29:33
合計ジャッジ時間 1,431 ms
ジャッジサーバーID
(参考情報)
judge3 / judge4
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 1 ms
6,816 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 1 ms
6,944 KB
testcase_04 AC 1 ms
6,940 KB
testcase_05 AC 1 ms
6,944 KB
testcase_06 AC 1 ms
6,940 KB
testcase_07 AC 2 ms
6,944 KB
testcase_08 AC 1 ms
6,940 KB
testcase_09 AC 1 ms
6,940 KB
testcase_10 AC 2 ms
6,940 KB
testcase_11 AC 2 ms
6,940 KB
testcase_12 AC 1 ms
6,940 KB
testcase_13 AC 1 ms
6,940 KB
testcase_14 AC 2 ms
6,940 KB
testcase_15 AC 2 ms
6,944 KB
testcase_16 AC 6 ms
6,940 KB
testcase_17 AC 12 ms
6,940 KB
testcase_18 AC 35 ms
6,944 KB
testcase_19 AC 39 ms
6,940 KB
testcase_20 AC 25 ms
6,944 KB
testcase_21 AC 24 ms
6,944 KB
testcase_22 AC 45 ms
6,944 KB
testcase_23 AC 23 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.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 #

#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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