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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
#593639	#8239. Mysterious Tree	absabs	WA	5ms	3720kb	C++23	4.7kb	2024-09-27 15:17:30	2024-09-27 15:17:31

Judging History

你现在查看的是最新测评结果

[2024-09-27 15:17:31]
评测

测评结果：WA
用时：5ms
内存：3720kb

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[2024-09-27 15:17:30]
提交

answer

#pragma GCC optimize(2)
#pragma GCC optimize(3)
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define debug(x) cout << #x << "=" << x << endl
// using i128 = __int128_t;
// #define int long long
typedef pair<int, int> PII;
typedef long long ll;
inline void read(int &x)
{
    char ch = getchar();
    int f = 1;
    x = 0;
    while (!isdigit(ch) && ch ^ '-')
        ch = getchar();
    if (ch == '-')
        f = -1, ch = getchar();
    while (isdigit(ch))
        x = x * 10 + ch - '0', ch = getchar();
    x *= f;
}
void write(int x)
{
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        write(x / 10);
    putchar(x % 10 + '0');
    return;
}
// int a[N];
void rCL()
{
    int n;
    cin >> n;
    int x;
    
    // if(n & 1)
    // {




    //     return ;
    // }
    for (int i = 1; i + 1 <= n; i += 2)
    {
        cout << "? " << i << " " << i + 1 << endl;
        cout.flush();
        cin >> x;
        if (x == 1)
        {
            if (i == 1)
            {
                cout << "? 1 " << n << endl;
                cout.flush();
                cin >> x;
                if (x == 1)
                {
                    cout << "? 1 " << n - 1 << endl;
                    cout.flush();
                    cin >> x;
                    if (x == 1)
                    {
                        cout << "! 2" << endl;
                    }
                    else
                        cout << "! 1" << endl;
                    cout.flush();
                    return;
                }
                else
                {
                    cout << "? 2 " << n << endl;
                    cout.flush();
                    cin >> x;
                    if (x == 1)
                    {
                        cout << "? 2 " << n - 1 << endl;
                        cout.flush();
                        cin >> x;
                        if (x == 1)
                        {
                            cout << "! 2" << endl;
                        }
                        else
                            cout << "! 1" << endl;
                        cout.flush();
                        return;
                    }
                    else
                    {
                        cout << "! 1" << endl;
                        cout.flush();
                        return;
                    }
                }
            }
            else
            {
                cout << "? " << i << " " << 1 << endl;
                cout.flush();
                cin >> x;
                if (x == 1)
                {
                    cout << "? " << i << " " << 2 << endl;
                    cout.flush();
                    cin >> x;
                    if (x == 1)
                    {
                        cout << "! 2" << endl;
                    }
                    else
                        cout << "! 1" << endl;
                    cout.flush();
                    return;
                }
                else
                {
                    cout << "? " << i + 1 << " " << 1 << endl;
                    cout.flush();
                    cin >> x;
                    if (x == 1)
                    {
                        cout << "? " << i + 1 << " " << 2 << endl;
                        cout.flush();
                        cin >> x;
                        if (x == 1)
                        {
                            cout << "! 2" << endl;
                        }
                        else
                            cout << "! 1" << endl;
                        cout.flush();
                        return;
                    }
                    else
                    {
                        cout << "! 1" << endl;
                        cout.flush();
                        return;
                    }
                }
            }
        }
    }
    if(n % 2 == 0)
    {
        cout << "! 1" << endl;
        cout.flush();
        return ;
    }
    cout << "? " << n << " 1" << endl;
    cout.flush();
    cin >> x;
    if(x == 1)
    {
        cout << "? " << n << " " << 2 << endl;
        cout.flush();
        cin >> x;
        if(x == 1)
        {
            cout << "! 2" << endl;
            cout.flush();
        }
        else
        {
            cout << "! 1" << endl;
            cout.flush();
        }
        return ;
    }
    cout << "! 1" << endl;
    cout.flush();
    // cout.flush();
}
signed main()
{
    /*ios::sync_with_stdio(false);
    cin.tie(0);cout.tie(0);*/
    int O_o;
    cin >> O_o;
    while (O_o--)
    {
        rCL();
    }
}

源文件, 语言: C++23

详细

Test #1:

score: 100

Accepted

time: 1ms

memory: 3568kb

input:

output:

result:

ok Correct (2 test cases)

Test #2:

score: 0

Accepted

time: 0ms

memory: 3572kb

input:

output:

result:

ok Correct (87 test cases)

Test #3:

score: 0

Accepted

time: 5ms

memory: 3592kb

input:

output:

result:

ok Correct (135 test cases)

Test #4:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

output:

result:

ok Correct (136 test cases)

Test #5:

score: 0

Accepted

time: 1ms

memory: 3636kb

input:

output:

result:

ok Correct (5 test cases)

Test #6:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

result:

ok Correct (7 test cases)

Test #7:

score: 0

Accepted

time: 3ms

memory: 3568kb

input:

output:

result:

ok Correct (160 test cases)

Test #8:

score: 0

Accepted

time: 0ms

memory: 3560kb

input:

output:

result:

ok Correct (117 test cases)

Test #9:

score: 0

Accepted

time: 3ms

memory: 3572kb

input:

output:

result:

ok Correct (99 test cases)

Test #10:

score: 0

Accepted

time: 0ms

memory: 3692kb

input:

output:

result:

ok Correct (84 test cases)

Test #11:

score: 0

Accepted

time: 4ms

memory: 3564kb

input:

output:

result:

ok Correct (23 test cases)

Test #12:

score: 0

Accepted

time: 1ms

memory: 3632kb

input:

output:

result:

ok Correct (20 test cases)

Test #13:

score: 0

Accepted

time: 4ms

memory: 3560kb

input:

output:

result:

ok Correct (9 test cases)

Test #14:

score: 0

Accepted

time: 3ms

memory: 3604kb

input:

output:

result:

ok Correct (6 test cases)

Test #15:

score: 0

Accepted

time: 3ms

memory: 3556kb

input:

output:

result:

ok Correct (4 test cases)

Test #16:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

output:

result:

ok Correct (146 test cases)

Test #17:

score: 0

Accepted

time: 4ms

memory: 3608kb

input:

output:

result:

ok Correct (117 test cases)

Test #18:

score: 0

Accepted

time: 5ms

memory: 3696kb

input:

output:

result:

ok Correct (105 test cases)

Test #19:

score: 0

Accepted

time: 0ms

memory: 3560kb

input:

output:

result:

ok Correct (86 test cases)

Test #20:

score: 0

Accepted

time: 1ms

memory: 3700kb

input:

output:

result:

ok Correct (20 test cases)

Test #21:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

output:

result:

ok Correct (9 test cases)

Test #22:

score: 0

Accepted

time: 1ms

memory: 3636kb

input:

output:

result:

ok Correct (12 test cases)

Test #23:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

output:

result:

ok Correct (5 test cases)

Test #24:

score: 0

Accepted

time: 0ms

memory: 3636kb

input:

output:

result:

ok Correct (81 test cases)

Test #25:

score: 0

Accepted

time: 0ms

memory: 3720kb

input:

output:

result:

ok Correct (24 test cases)

Test #26:

score: 0

Accepted

time: 1ms

memory: 3548kb

input:

output:

result:

ok Correct (9 test cases)

Test #27:

score: 0

Accepted

time: 0ms

memory: 3672kb

input:

output:

result:

ok Correct (8 test cases)

Test #28:

score: -100

Wrong Answer

time: 1ms

memory: 3700kb

input:

output:

result:

wrong answer Wrong prediction (test case 10)