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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#759644	#8332. Two in One	XiCen	WA	71ms	3800kb	C++20	841b	2024-11-18 10:47:55	2024-11-18 10:47:56

Judging History

你现在查看的是最新测评结果

[2024-11-18 10:47:56]
评测

测评结果：WA
用时：71ms
内存：3800kb

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[2024-11-18 10:47:55]
提交

answer

#include<iostream>
#include<algorithm>
using namespace std;
using ll=long long;
using pii=pair<int,int>;
#include<queue>
#include<map>

void solve(){
    int n;
    cin>>n;
    vector<int> a(n);
    for(auto&i:a) cin>>i;
    map<int,int> mp;
    for(auto i:a) mp[i]++;
    if(mp.size()==1){
        cout<<mp.begin()->second<<"\n";
        return;
    }
    vector<pii> cnt;
    for(auto [k,v]:mp) cnt.push_back({v,k});
    sort(cnt.rbegin(),cnt.rend());
    auto it=cnt[0],it2=cnt[1];
    int ans=it.first|it2.first;
    ans|=(2<<__lg(it.first&it2.first))-1;
    // for(int i=0;i<=it2.first;i++) ans=max(ans,(it.first^i));
    cout<<ans<<"\n";
}
int main(){
    // freopen("1.txt","r",stdin);
    // ios::sync_with_stdio(0);cin.tie(0),cout.tie(0);
    int t=1;
    cin>>t;
    while(t--)
        solve();
}

Source code, Language: C++20

Details

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Test #1:

score: 100

Accepted

time: 0ms

memory: 3500kb

input:

1
7
1 2 3 4 3 2 1

output:

result:

ok 1 number(s): "3"

Test #2:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

1
9
1 1 1 1 1 2 2 2 2

output:

result:

ok 1 number(s): "7"

Test #3:

score: 0

Accepted

time: 67ms

memory: 3536kb

input:

50
10000
72 65 90 94 67 93 41 43 54 83 31 34 38 37 44 42 92 63 66 79 90 45 41 40 19 54 34 90 13 74 40 77 41 57 74 86 91 79 34 39 21 88 90 57 23 31 8 15 80 27 45 38 53 96 51 82 70 71 19 75 62 95 31 67 99 97 94 29 90 7 95 82 61 98 62 77 43 65 66 30 41 69 38 79 51 9 63 77 13 30 72 70 67 93 92 45 74 50 ...

output:

result:

ok 50 numbers

Test #4:

score: -100

Wrong Answer

time: 71ms

memory: 3744kb

input:

79114
7
1 2 4 3 2 3 7
7
1 2 4 7 4 1 5
6
4 2 2 4 2 1
7
1 2 1 4 7 3 2
7
1 2 4 7 1 1 3
7
1 2 6 1 5 2 5
6
5 2 6 1 2 5
7
1 1 7 6 6 5 2
7
1 2 5 6 6 7 7
7
1 1 2 7 2 3 6
7
1 1 1 4 6 2 2
7
1 1 5 7 3 5 2
7
1 1 7 6 2 2 5
6
4 3 4 6 3 1
6
4 4 3 2 3 1
7
1 1 2 3 7 6 2
6
1 2 5 6 3 4
7
1 1 1 1 4 7 6
6
2 6 6 2 5 3
6
...

output:

result:

wrong answer 18th numbers differ - expected: '5', found: '-1'