Submission #2454084


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#include<cstdio>
#include<cstring>
#include<algorithm>
#define reg register
#define max(a,b) (a>b?a:b)
typedef long long ll;
char ch[100005];
class Trie{
	private:
		ll len;
		int nxt[100005][2],cnt;
	public:
		void init(){scanf("%lld",&len);cnt=0;}
		void ins(int l,char ch[]){
			for(reg int i=1,pos=0;i<=l;i++){
				if(!nxt[pos][ch[i]^48])nxt[pos][ch[i]^48]=++cnt;
				pos=nxt[pos][ch[i]^48];
			}
		}
		ll query(int l,int dep){
			if(!l&&dep)return (len-dep+1)&(dep-len-1);
			return query(nxt[l][0],dep+1)^query(nxt[l][1],dep+1);
		}
}t;
int main(){
	reg int n;scanf("%d",&n);
	t.init();
	for(reg int i=1;i<=n;i++){
		scanf("%s",ch+1);
		t.ins(strlen(ch+1),ch);
	}
	puts(t.query(0,0)?"Alice":"Bob");
	return 0;
}

Submission Info

Submission Time
Task E - Prefix-free Game
User vjudge1
Language C++14 (GCC 5.4.1)
Score 700
Code Size 717 Byte
Status
Exec Time 4 ms
Memory 4096 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  reg int n;scanf("%d",&n);
                          ^
./Main.cpp:29:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",ch+1);
                   ^
./Main.cpp: In member function ‘void Trie::init()’:
./Main.cpp:13:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   void init(){scanf("%lld",&len);cnt=0;}
                                 ^

Test Cases

Set Name Score / Max Score Test Cases
Sample 0 / 0 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 0_05.txt
All 700 / 700 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 0_05.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt
Case Name Status Exec Time Memory
0_00.txt 1 ms 128 KB
0_01.txt 1 ms 128 KB
0_02.txt 1 ms 128 KB
0_03.txt 1 ms 128 KB
0_04.txt 1 ms 128 KB
0_05.txt 1 ms 128 KB
1_00.txt 0 ms 128 KB
1_01.txt 1 ms 128 KB
1_02.txt 1 ms 128 KB
1_03.txt 0 ms 128 KB
1_04.txt 0 ms 128 KB
1_05.txt 1 ms 128 KB
1_06.txt 4 ms 4096 KB
1_07.txt 3 ms 2560 KB
1_08.txt 2 ms 2176 KB
1_09.txt 3 ms 2560 KB
1_10.txt 3 ms 2560 KB
1_11.txt 1 ms 256 KB
1_12.txt 1 ms 128 KB
1_13.txt 1 ms 128 KB
1_14.txt 2 ms 256 KB
1_15.txt 2 ms 256 KB
1_16.txt 2 ms 256 KB
1_17.txt 2 ms 256 KB
1_18.txt 2 ms 256 KB
1_19.txt 2 ms 256 KB
1_20.txt 2 ms 256 KB
1_21.txt 2 ms 256 KB
1_22.txt 2 ms 256 KB
1_23.txt 2 ms 256 KB
1_24.txt 2 ms 256 KB
1_25.txt 2 ms 256 KB
1_26.txt 2 ms 256 KB
1_27.txt 2 ms 256 KB
1_28.txt 2 ms 256 KB
1_29.txt 2 ms 256 KB
1_30.txt 2 ms 256 KB
1_31.txt 2 ms 256 KB
1_32.txt 2 ms 256 KB
1_33.txt 2 ms 256 KB
1_34.txt 2 ms 256 KB
1_35.txt 2 ms 256 KB
1_36.txt 2 ms 256 KB
1_37.txt 2 ms 256 KB
1_38.txt 2 ms 256 KB
1_39.txt 2 ms 256 KB
1_40.txt 2 ms 256 KB
1_41.txt 2 ms 256 KB
1_42.txt 2 ms 256 KB
1_43.txt 2 ms 256 KB
1_44.txt 2 ms 256 KB
1_45.txt 2 ms 256 KB
1_46.txt 2 ms 256 KB
1_47.txt 2 ms 256 KB
1_48.txt 2 ms 256 KB
1_49.txt 2 ms 256 KB
1_50.txt 2 ms 256 KB
1_51.txt 2 ms 256 KB
1_52.txt 2 ms 256 KB
1_53.txt 2 ms 256 KB