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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
#613324#6394. Turn on the LightliaoyingyuWA 1ms3684kbC++17615b2024-10-05 13:55:232024-10-05 13:56:28

Judging History

你现在查看的是最新测评结果

  • [2024-10-05 13:56:28]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3684kb
  • [2024-10-05 13:55:23]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
int s = 0;
int pre = 0;
void beizeng(int start, int end) {
	int now = 1;
	int shuru;
	while (1) {
		if (now > end) {
			s += now / 2;
			beizeng(now / 2+1, end);
			return;
		}
		cout << '?' << ' ' << s+now << endl;
		cin >> shuru;
		if (shuru == pre) {
			cout << '!' << ' ' << s+now << endl;
			return;
		}
		else if (shuru > pre) {
			pre = shuru;
			now *= 2;
		}
		else {
			s += now / 2;
			pre = shuru;
			beizeng(now / 2+1, now-1);
			return;
		}
	}
}
signed main() {
	int n;
	cin >> n;
	beizeng(1, n);
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3556kb

input:

3
1
2
2

output:

? 1
? 2
? 3
! 3

result:

ok Correct position at 3

Test #2:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

10
1
2
3
2
3
3

output:

? 1
? 2
? 4
? 8
? 5
? 6
! 6

result:

ok Correct position at 6

Test #3:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

9
1
2
3
2
3
3

output:

? 1
? 2
? 4
? 8
? 5
? 6
! 6

result:

ok Correct position at 6

Test #4:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

8
1
2
3
2
3
3

output:

? 1
? 2
? 4
? 8
? 5
? 6
! 6

result:

ok Correct position at 6

Test #5:

score: -100
Wrong Answer
time: 1ms
memory: 3592kb

input:

7
1
2
3
4
5

output:

? 1
? 2
? 4
? 5
? 6
? 8

result:

wrong answer Integer parameter [name=x] equals to 8, violates the range [1, 7]