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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#626991	#8239. Mysterious Tree	zzfs^#	AC ✓	6ms	3840kb	C++14	1.7kb	2024-10-10 14:25:29	2024-10-10 14:25:34

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你现在查看的是最新测评结果

[2024-10-10 14:25:34]
评测

测评结果：AC
用时：6ms
内存：3840kb

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[2024-10-10 14:25:29]
提交

answer

#include <bits/stdc++.h>
using namespace std;
int to_prob(int a, int b)
{
    cout << "? " << a << " " << b << endl;
    int ret;
    cin >> ret;
    return ret;
}
void to_ans(int a)
{
    cout << "! " << a << endl;
}
pair<int, int> get_link(int N)
{
    for (int i = 0; i < N / 2; i++)
    {
        int a = i * 2 + 1, b = i * 2 + 2;
        if (to_prob(a, b) == 1)
        {
            return make_pair(a, b);
        }
    }

    if (N % 2 == 1)
    {
        if (to_prob(1, N) == 1)
        {
            return make_pair(1, N);
        }
    }
    return make_pair(-1, -1);
}

#define print_star \
    {              \
        to_ans(2); \
    }
#define print_chain \
    {               \
        to_ans(1);  \
    }

void sol()
{
    int N;
    cin >> N;
    auto lk = get_link(N);
    if (lk.first == -1)
    {
        print_chain;
        return;
    }
    vector<int> v1;
    for (int i = 1; i <= N; i++)
    {
        if (i != lk.first && i != lk.second)
        {
            v1.push_back(i);
        }
    }
    if (to_prob(lk.first, v1[0]))
    {
        if (to_prob(lk.first, v1[1]))
        {
            print_star;
        }
        else
        {
            print_chain;
        }
    }
    else
    {
        if (to_prob(lk.second, v1[0]))
        {
            if (to_prob(lk.second, v1[1]))
            {
                print_star;
            }
            else
            {
                print_chain;
            }
        }
        else
        {
            print_chain;
        }
    }
}
int main()
{
    int T;
    cin >> T;
    while (T--)
    {
        sol();
    }
}

Source code, Language: C++14

这程序好像有点Bug，我给组数据试试？

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 3584kb

input:

output:

result:

ok Correct (2 test cases)

Test #2:

score: 0

Accepted

time: 0ms

memory: 3808kb

input:

output:

result:

ok Correct (87 test cases)

Test #3:

score: 0

Accepted

time: 3ms

memory: 3812kb

input:

output:

result:

ok Correct (135 test cases)

Test #4:

score: 0

Accepted

time: 2ms

memory: 3628kb

input:

output:

result:

ok Correct (136 test cases)

Test #5:

score: 0

Accepted

time: 1ms

memory: 3596kb

input:

output:

result:

ok Correct (5 test cases)

Test #6:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

output:

result:

ok Correct (7 test cases)

Test #7:

score: 0

Accepted

time: 6ms

memory: 3760kb

input:

output:

result:

ok Correct (160 test cases)

Test #8:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

output:

result:

ok Correct (117 test cases)

Test #9:

score: 0

Accepted

time: 0ms

memory: 3480kb

input:

output:

result:

ok Correct (99 test cases)

Test #10:

score: 0

Accepted

time: 4ms

memory: 3528kb

input:

output:

result:

ok Correct (84 test cases)

Test #11:

score: 0

Accepted

time: 0ms

memory: 3520kb

input:

output:

result:

ok Correct (23 test cases)

Test #12:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

output:

result:

ok Correct (20 test cases)

Test #13:

score: 0

Accepted

time: 0ms

memory: 3824kb

input:

output:

result:

ok Correct (9 test cases)

Test #14:

score: 0

Accepted

time: 4ms

memory: 3588kb

input:

output:

result:

ok Correct (6 test cases)

Test #15:

score: 0

Accepted

time: 0ms

memory: 3764kb

input:

output:

result:

ok Correct (4 test cases)

Test #16:

score: 0

Accepted

time: 4ms

memory: 3808kb

input:

output:

result:

ok Correct (146 test cases)

Test #17:

score: 0

Accepted

time: 0ms

memory: 3476kb

input:

output:

result:

ok Correct (117 test cases)

Test #18:

score: 0

Accepted

time: 5ms

memory: 3760kb

input:

output:

result:

ok Correct (105 test cases)

Test #19:

score: 0

Accepted

time: 2ms

memory: 3784kb

input:

output:

result:

ok Correct (86 test cases)

Test #20:

score: 0

Accepted

time: 1ms

memory: 3760kb

input:

output:

result:

ok Correct (20 test cases)

Test #21:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

output:

result:

ok Correct (9 test cases)

Test #22:

score: 0

Accepted

time: 1ms

memory: 3512kb

input:

output:

result:

ok Correct (12 test cases)

Test #23:

score: 0

Accepted

time: 1ms

memory: 3532kb

input:

output:

result:

ok Correct (5 test cases)

Test #24:

score: 0

Accepted

time: 4ms

memory: 3576kb

input:

output:

result:

ok Correct (81 test cases)

Test #25:

score: 0

Accepted

time: 2ms

memory: 3840kb

input:

output:

result:

ok Correct (24 test cases)

Test #26:

score: 0

Accepted

time: 1ms

memory: 3584kb

input:

output:

result:

ok Correct (9 test cases)

Test #27:

score: 0

Accepted

time: 1ms

memory: 3592kb

input:

output:

result:

ok Correct (8 test cases)

Test #28:

score: 0

Accepted

time: 1ms

memory: 3528kb

input:

output:

result:

ok Correct (10 test cases)

Test #29:

score: 0

Accepted

time: 2ms

memory: 3532kb

input:

output:

result:

ok Correct (1 test case)

Test #30:

score: 0

Accepted

time: 0ms

memory: 3832kb

input:

output:

result:

ok Correct (2 test cases)

Test #31:

score: 0

Accepted

time: 2ms

memory: 3584kb

input:

output:

result:

ok Correct (4 test cases)

Test #32:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

output:

result:

ok Correct (1 test case)

Test #33:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

output:

result:

ok Correct (1 test case)

Test #34:

score: 0

Accepted

time: 1ms

memory: 3596kb

input:

output:

result:

ok Correct (1 test case)

Test #35:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

output:

result:

ok Correct (2 test cases)

Test #36:

score: 0

Accepted

time: 1ms

memory: 3584kb

input:

output:

result:

ok Correct (2 test cases)

Test #37:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

output:

result:

ok Correct (2 test cases)

Test #38:

score: 0

Accepted

time: 3ms

memory: 3584kb

input:

output:

result:

ok Correct (4 test cases)

Test #39:

score: 0

Accepted

time: 1ms

memory: 3588kb

input:

output:

result:

ok Correct (4 test cases)

Test #40:

score: 0

Accepted

time: 1ms

memory: 3524kb

input:

output:

result:

ok Correct (4 test cases)

Test #41:

score: 0

Accepted

time: 0ms

memory: 3768kb

input:

output:

result:

ok Correct (1 test case)

Extra Test:

score: 0

Extra Test Passed