QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#448337#4912. WereYouLastasupersalmon50 12821ms4992kbC++141.7kb2024-06-19 15:34:042024-06-19 15:34:04

Judging History

你现在查看的是最新测评结果

  • [2024-06-19 15:34:04]
  • 评测
  • 测评结果:50
  • 用时:12821ms
  • 内存:4992kb
  • [2024-06-19 15:34:04]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

bool query(int);
void modify(int,bool);

bool WereYouLast(int N, int m){
	if(N == (1<<10)){
		int num = 0;
		
		for(int i = 0; i < 10; i++){
			num += ((int)query(i+1)<<i);
		}		
		if(num == (1<<10)-1) return 1;
		
		num++;
		
		for(int i = 0; i < 10; i++){
			modify(i+1,(num&(1<<i))>0);
		}

		
		return 0;
	}
	else if(N == (1<<16)){
		
	}
	else if(N == (1<<20)){
		bitset<65> arr("00000000001000001000001100010011000000000000000000000000000000000");
		
		int num = 1;
		bool die = true;
		int l[6];
		bool blob[6];
		int s = 5;
		for(int i = 0; i < 5; i++){
			blob[i] = query(num);
			die &= (blob[i]^arr[num]);
			l[i]= num;
			num = num * 2;
			if(blob[i]^arr[num/2]) num++; 
		}
		if(die) return 1;
		
		for(int i = s - 1; i >= 0; i--){
			if(!(blob[i]^arr[l[i]]) ){
				modify(l[i],!arr[l[i]]);
				s = i - 1;
				break;
			}
			modify(l[i],arr[l[i]]);
		}

		for(int i = s; i >= 0; i--){
			modify(l[i],arr[l[i]]);
		}
		return 0;
	}
	else if(true){
		bitset<65> arr("00000000000000000001101001100101000000000100001111000010000000000");
		
		int num = 1;
		bool die = true;
		int l[6];
		bool blob[6];
		int s = 6;
		for(int i = 0; i < 6; i++){
			blob[i] = query(num);
			die &= (blob[i]^arr[num]);
			l[i]= num;
			num = num * 2;
			if(blob[i]^arr[num/2]) num++; 
			if( arr[1]^blob[0] && i == 3){
				s = 4;
				break;
			}
		}
		if(die) return 1;
		
		for(int i = s - 1; i >= 0; i--){
			if(!(blob[i]^arr[l[i]]) ){
				modify(l[i],!arr[l[i]]);
				s = i - 1;
				break;
			}
			modify(l[i],arr[l[i]]);
		}

		for(int i = s; i >= 0; i--){
			modify(l[i],arr[l[i]]);
		}
		return 0;
	}
	return 1;

}

详细

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 3796kb

input:

1024 10

output:

12345876 10 10

result:

ok Correct Answer.
C1 = 10.
C2 = 10.

Subtask #2:

score: 0
Wrong Answer

Test #2:

score: 0
Wrong Answer
time: 0ms
memory: 4912kb

input:

65536 100000

output:

12345876 -3 1
12345876 -3 1

result:

wrong answer Wrong Answer At Query 1.

Subtask #3:

score: 0
Wrong Answer

Test #3:

score: 0
Wrong Answer
time: 180ms
memory: 4900kb

input:

1048576 100000

output:

12345876 -3 1048576
12345876 -3 1048576

result:

wrong answer Wrong Answer At Query 1048576.

Subtask #4:

score: 40
Accepted

Test #4:

score: 40
Accepted
time: 12821ms
memory: 4992kb

input:

67108864 100000

output:

12345876 6 6

result:

ok Correct Answer.
C1 = 6.
C2 = 6.