#219829 (C) No.602 隠されていたゲーム2

• 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 00:07:50
• 言語: C (gcc 12.3.0)
• 結果: WA
• 実行時間: -
• コード長: 423 bytes
• コンパイル時間: 266 ms
• コンパイル使用メモリ: 29,440 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-05-05 21:27:52
• 合計ジャッジ時間: 1,022 ms
• ジャッジサーバーID （参考情報）: judge1 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	1 ms; 5,376 KB
testcase_02	AC	1 ms; 5,376 KB
testcase_03	AC	1 ms; 5,376 KB
testcase_04	AC	1 ms; 5,376 KB
testcase_05	AC	0 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	WA	-
testcase_08	WA	-
testcase_09	WA	-
testcase_10	AC	1 ms; 5,376 KB
testcase_11	WA	-
testcase_12	WA	-
testcase_13	WA	-
testcase_14	WA	-
testcase_15	AC	1 ms; 5,376 KB
testcase_16	AC	5 ms; 5,376 KB
testcase_17	AC	8 ms; 5,376 KB
testcase_18	AC	21 ms; 5,376 KB
testcase_19	AC	24 ms; 5,376 KB
testcase_20	AC	20 ms; 5,376 KB
testcase_21	AC	19 ms; 5,376 KB
testcase_22	WA	-
testcase_23	AC	21 ms; 5,376 KB

コンパイルメッセージ

main.c:1:1: warning: data definition has no type or storage class
    1 | ans;
      | ^~~
main.c:1:1: warning: type defaults to 'int' in declaration of 'ans' [-Wimplicit-int]
main.c:2:1: warning: data definition has no type or storage class
    2 | a[200000];
      | ^
main.c:2:1: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
main.c:3:1: warning: data definition has no type or storage class
    3 | n,x,y;
      | ^
main.c:3:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
main.c:3:3: warning: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
    3 | n,x,y;
      |   ^
main.c:3:5: warning: type defaults to 'int' in declaration of 'y' [-Wimplicit-int]
    3 | n,x,y;
      |     ^
main.c:4:1: warning: return type defaults to 'int' [-Wimplicit-int]
    4 | c(int*a,int*b){return*a-*b;}
      | ^
main.c:5:1: warning: return type defaults to 'int' [-Wimplicit-int]
    5 | f(x){
      | ^
main.c: In function 'f':
main.c:5:1: warning: type of 'x' defaults to 'int' [-Wimplicit-int]
main.c: At top level:
main.c:14:1: warning: return type defaults to 'int' [-Wimplicit-int]
   14 | g(i){
      | ^
main.c: In function 'g':
main.c:14:1: warning: type of 'i' defaults to 'int' [-Wimplicit-int]
main.c: At top level:
main.c:17:1: warning: return type defaults to 'int' [-Wimplicit-int]
   17 | main(){
      | ^~~~
main.c: In function 'main':
main.c:18:9: warning: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   18 |         scanf("%d",&n);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | ans;
main.c:18:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   18 |         scanf("%d",&n);
      |         ^~~~~
main.c:18:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:20:9: warning: implicit declaration of function 'qsort' [-Wimplicit-functi

ソースコード

ans;
a[200000];
n,x,y;
c(int*a,int*b){return*a-*b;}
f(x){
	int l=0,r=n;
	while(r-l>1){
		int m=(l+r)/2;
		if(a[m]>x)r=m;
		else l=m;
	}
	return a[l]==x;
}
g(i){
	return f(x>a[i]?x-a[i]:a[i]-x);
}
main(){
	scanf("%d",&n);
	for(int i=0;i<n;i++)scanf("%d",a+i);
	qsort(a,n,4,c);
	scanf("%d%d",&x,&y);
	x=abs(x)+abs(y);
	if(f(x)){puts("1");return 0;}
	else{
		for(int i=0;i<n;i++)if(g(i)){puts("2");return 0;}
	}
	puts("-1");
}