QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#143059	#4565. Rarest Insects	bashkort^#	25	33ms	4180kb	C++17	2.3kb	2023-08-20 14:32:01	2024-07-04 01:50:07

Judging History

你现在查看的是最新测评结果

[2024-07-04 01:50:07]
评测

测评结果：25
用时：33ms
内存：4180kb

查看

[2023-08-20 14:32:01]
提交

answer

#include "insects.h"
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

mt19937 rnd(228);

int min_cardinality(int N) {
    vector<int> a(N);
    iota(a.begin(), a.end(), 0);
    shuffle(a.begin(), a.end(), rnd);
    
    vector<int> leaders, inside(N);
    int maxSize = 0, T = 0, lastQueryT = 0;
    int queriesCnt[3]{};

    auto insert = [&](int x) -> void {
        if (inside[x]) {
            return;
        }
        move_inside(x);
        T += 1;
        queriesCnt[0] += 1;
        inside[x] = true;
    };

    auto erase = [&](int x) -> void {
        if (!inside[x]) {
            return;
        }
        move_outside(x);
        T += 1;
        queriesCnt[1] += 1;
        inside[x] = false;
    };

    auto query = [&]() -> int {
        if (T == lastQueryT) {
            return maxSize;
        }
        lastQueryT = T;
        queriesCnt[2] += 1;
        return maxSize = press_button();
    };

    vector<int> others;

    for (int x : a) {
        insert(x);
        if (query() == 1) {
            leaders.push_back(x);
        } else {
            others.push_back(x);
            erase(x);
        }
    };

    int ans = N;

    auto dfs = [&](auto dfs, vector<int> lead, vector<int> oth, int isFull) -> void {
        if (ans == 1) {
            return;
        }
        if (size(lead) == 1) {
            ans = min<int>(ans, 1 + size(oth));
            return;
        }
        if (size(lead) > size(oth)) {
            ans = 1;
            return;
        }
        int mid = size(lead) / 2;
        vector<int> leadLeft(lead.begin(), lead.begin() + mid);
        vector<int> leadRight(lead.begin() + mid, lead.end());
        vector<int> nxt[2];
        if (isFull) {
            for (int x : leadRight) {
                erase(x);
            }
        } else {
            for (int x : leadLeft) {
                insert(x);
            }
        }
        for (int x : oth) {
            insert(x);
            if (query() == 1) {
                nxt[1].push_back(x);
            } else {
                nxt[0].push_back(x);
            }
            erase(x);
        }
        dfs(dfs, leadLeft, nxt[0], true);
        dfs(dfs, leadRight, nxt[1], false);
    };

    dfs(dfs, leaders, others, true);

    return ans;
}

Source code, Language: C++17

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 10

Accepted

Test #1:

score: 10

Accepted

time: 0ms

memory: 3848kb

input:

output:

result:

ok

Test #2:

score: 0

Accepted

time: 1ms

memory: 4112kb

input:

2
1
2

output:

result:

ok

Test #3:

score: 0

Accepted

time: 1ms

memory: 3760kb

input:

2
1
1

output:

result:

ok

Test #4:

score: 0

Accepted

time: 1ms

memory: 3756kb

input:

output:

result:

ok

Test #5:

score: 0

Accepted

time: 0ms

memory: 3792kb

input:

output:

result:

ok

Test #6:

score: 0

Accepted

time: 1ms

memory: 3804kb

input:

output:

result:

ok

Test #7:

score: 0

Accepted

time: 0ms

memory: 3836kb

input:

output:

result:

ok

Test #8:

score: 0

Accepted

time: 1ms

memory: 4076kb

input:

output:

result:

ok

Test #9:

score: 0

Accepted

time: 0ms

memory: 4076kb

input:

output:

result:

ok

Test #10:

score: 0

Accepted

time: 2ms

memory: 3796kb

input:

output:

result:

ok

Test #11:

score: 0

Accepted

time: 0ms

memory: 3764kb

input:

output:

result:

ok

Test #12:

score: 0

Accepted

time: 0ms

memory: 3816kb

input:

output:

result:

ok

Test #13:

score: 0

Accepted

time: 0ms

memory: 3816kb

input:

output:

result:

ok

Test #14:

score: 0

Accepted

time: 0ms

memory: 3796kb

input:

output:

result:

ok

Test #15:

score: 0

Accepted

time: 3ms

memory: 4092kb

input:

output:

result:

ok

Test #16:

score: 0

Accepted

time: 4ms

memory: 4112kb

input:

output:

result:

ok

Test #17:

score: 0

Accepted

time: 2ms

memory: 3824kb

input:

output:

result:

ok

Test #18:

score: 0

Accepted

time: 0ms

memory: 3840kb

input:

output:

result:

ok

Test #19:

score: 0

Accepted

time: 5ms

memory: 3904kb

input:

output:

result:

ok

Test #20:

score: 0

Accepted

time: 0ms

memory: 3820kb

input:

output:

result:

ok

Test #21:

score: 0

Accepted

time: 0ms

memory: 3772kb

input:

output:

result:

ok

Test #22:

score: 0

Accepted

time: 2ms

memory: 3820kb

input:

output:

result:

ok

Test #23:

score: 0

Accepted

time: 0ms

memory: 3820kb

input:

output:

result:

ok

Subtask #2:

score: 15

Accepted

Test #24:

score: 15

Accepted

time: 0ms

memory: 3832kb

input:

output:

result:

ok

Test #25:

score: 0

Accepted

time: 5ms

memory: 3916kb

input:

output:

result:

ok

Test #26:

score: 0

Accepted

time: 0ms

memory: 3876kb

input:

output:

result:

ok

Test #27:

score: 0

Accepted

time: 7ms

memory: 3868kb

input:

output:

result:

ok

Test #28:

score: 0

Accepted

time: 4ms

memory: 3844kb

input:

output:

result:

ok

Test #29:

score: 0

Accepted

time: 5ms

memory: 3844kb

input:

output:

result:

ok

Test #30:

score: 0

Accepted

time: 6ms

memory: 3848kb

input:

output:

result:

ok

Test #31:

score: 0

Accepted

time: 9ms

memory: 3848kb

input:

output:

result:

ok

Test #32:

score: 0

Accepted

time: 2ms

memory: 3928kb

input:

output:

result:

ok

Test #33:

score: 0

Accepted

time: 16ms

memory: 4140kb

input:

output:

result:

ok

Test #34:

score: 0

Accepted

time: 8ms

memory: 3860kb

input:

output:

result:

ok

Test #35:

score: 0

Accepted

time: 8ms

memory: 3848kb

input:

output:

result:

ok

Test #36:

score: 0

Accepted

time: 8ms

memory: 3848kb

input:

output:

result:

ok

Test #37:

score: 0

Accepted

time: 10ms

memory: 3848kb

input:

output:

result:

ok

Test #38:

score: 0

Accepted

time: 12ms

memory: 3828kb

input:

output:

result:

ok

Test #39:

score: 0

Accepted

time: 6ms

memory: 4140kb

input:

output:

result:

ok

Test #40:

score: 0

Accepted

time: 4ms

memory: 4148kb

input:

output:

result:

ok

Test #41:

score: 0

Accepted

time: 0ms

memory: 3796kb

input:

output:

result:

ok

Test #42:

score: 0

Accepted

time: 0ms

memory: 3836kb

input:

output:

result:

ok

Subtask #3:

score: 0

Interactor Judgement Failed

Test #43:

score: 75

Accepted

time: 0ms

memory: 3816kb

input:

2
1
2

output:

result:

ok

Test #44:

score: 75

Accepted

time: 1ms

memory: 3852kb

input:

2
1
1

output:

result:

ok

Test #45:

score: 75

Accepted

time: 1ms

memory: 4112kb

input:

output:

result:

ok

Test #46:

score: 75

Accepted

time: 1ms

memory: 3808kb

input:

output:

result:

ok

Test #47:

score: 75

Accepted

time: 1ms

memory: 4100kb

input:

output:

result:

ok

Test #48:

score: 75

Accepted

time: 4ms

memory: 3924kb

input:

output:

result:

ok

Test #49:

score: 75

Accepted

time: 0ms

memory: 3856kb

input:

output:

result:

ok

Test #50:

score: 50.56

Acceptable Answer

time: 8ms

memory: 3820kb

input:

output:

result:

points 0.67413333330 points  0.67413333330

Test #51:

score: 50.31

Acceptable Answer

time: 24ms

memory: 3888kb

input:

output:

result:

points 0.67080 points  0.67080

Test #52:

score: 75

Accepted

time: 8ms

memory: 3848kb

input:

output:

result:

ok

Test #53:

score: 60.83

Acceptable Answer

time: 12ms

memory: 3996kb

input:

output:

result:

points 0.81106666670 points  0.81106666670

Test #54:

score: 73.98

Acceptable Answer

time: 8ms

memory: 3956kb

input:

output:

result:

points 0.98640 points  0.98640

Test #55:

score: 50.68

Acceptable Answer

time: 11ms

memory: 3876kb

input:

output:

result:

points 0.67573333330 points  0.67573333330

Test #56:

score: 73.35

Acceptable Answer

time: 4ms

memory: 3884kb

input:

output:

result:

points 0.9780 points  0.9780

Test #57:

score: 70.39

Acceptable Answer

time: 0ms

memory: 3876kb

input:

output:

result:

points 0.93853333330 points  0.93853333330

Test #58:

score: 68.18

Acceptable Answer

time: 7ms

memory: 4180kb

input:

output:

result:

points 0.90906666670 points  0.90906666670

Test #59:

score: 66.66

Acceptable Answer

time: 7ms

memory: 3888kb

input:

output:

result:

points 0.88880 points  0.88880

Test #60:

score: 64.93

Acceptable Answer

time: 19ms

memory: 4172kb

input:

output:

result:

points 0.86573333330 points  0.86573333330

Test #61:

score: 61.98

Acceptable Answer

time: 12ms

memory: 4180kb

input:

output:

result:

points 0.82640 points  0.82640

Test #62:

score: 48.98

Acceptable Answer

time: 14ms

memory: 4144kb

input:

output:

result:

points 0.65306666670 points  0.65306666670

Test #63:

score: 41.25

Acceptable Answer

time: 31ms

memory: 3912kb

input:

output:

result:

points 0.550 points  0.550

Test #64:

score: 36.82

Acceptable Answer

time: 0ms

memory: 3892kb

input:

output:

result:

points 0.49093333330 points  0.49093333330

Test #65:

score: 75

Accepted

time: 5ms

memory: 3880kb

input:

output:

result:

ok

Test #66:

score: 75

Accepted

time: 0ms

memory: 3964kb

input:

output:

result:

ok

Test #67:

score: 75

Accepted

time: 0ms

memory: 3852kb

input:

output:

result:

ok

Test #68:

score: 46.95

Acceptable Answer

time: 20ms

memory: 3904kb

input:

output:

result:

points 0.6260 points  0.6260

Test #69:

score: 46.95

Acceptable Answer

time: 11ms

memory: 3888kb

input:

output:

result:

points 0.6260 points  0.6260

Test #70:

score: 58

Acceptable Answer

time: 27ms

memory: 3832kb

input:

output:

result:

points 0.77333333330 points  0.77333333330

Test #71:

score: 57.99

Acceptable Answer

time: 9ms

memory: 4164kb

input:

output:

result:

points 0.77320 points  0.77320

Test #72:

score: 46.95

Acceptable Answer

time: 14ms

memory: 3952kb

input:

output:

result:

points 0.6260 points  0.6260

Test #73:

score: 46.95

Acceptable Answer

time: 7ms

memory: 3876kb

input:

output:

result:

points 0.6260 points  0.6260

Test #74:

score: 40.26

Acceptable Answer

time: 16ms

memory: 3960kb

input:

output:

result:

points 0.53680 points  0.53680

Test #75:

score: 40.26

Acceptable Answer

time: 13ms

memory: 4168kb

input:

output:

result:

points 0.53680 points  0.53680

Test #76:

score: 47.26

Acceptable Answer

time: 9ms

memory: 3872kb

input:

output:

result:

points 0.63013333330 points  0.63013333330

Test #77:

score: 47.26

Acceptable Answer

time: 0ms

memory: 3852kb

input:

output:

result:

points 0.63013333330 points  0.63013333330

Test #78:

score: 46.96

Acceptable Answer

time: 24ms

memory: 3908kb

input:

output:

result:

points 0.62613333330 points  0.62613333330

Test #79:

score: 46.95

Acceptable Answer

time: 23ms

memory: 4164kb

input:

output:

result:

points 0.6260 points  0.6260

Test #80:

score: 40.2

Acceptable Answer

time: 33ms

memory: 4160kb

input:

output:

result:

points 0.5360 points  0.5360

Test #81:

score: 40.2

Acceptable Answer

time: 33ms

memory: 3876kb

input:

output:

result:

points 0.5360 points  0.5360