CSES - Aalto Competitive Programming 2024 - wk8 - Homework C++ - Results
Submission details
Task:Counting ones
Sender:bubu2006
Submission time:2024-10-23 22:08:30 +0300
Language:C++ (C++20)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.09 sdetails
#8ACCEPTED0.09 sdetails
#9ACCEPTED0.09 sdetails
#10ACCEPTED0.09 sdetails

Code

#pragma GCC optimize("O3","unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")

#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit); // RTE if input wrong datatype

    int n;
    cin >> n;

    vi a(n);
    rep(i, 0, n) cin >> a[i];

    int ans = 0, x1 = -1, x2 = -1;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            int b = __builtin_popcountll(1LL * a[i] * a[j]);
            if (b > ans) {
                ans = b;
                x1 = a[i];
                x2 = a[j];
            }
        }
    }

    cout << ans << '\n';
    cout << x1 << ' ' << x2 << '\n';
}

Test details

Test 1

Verdict: ACCEPTED

input
5
42 100 73 94 1 

correct output
9
42 73

user output
9
42 73

Test 2

Verdict: ACCEPTED

input
5
44 19 3 94 55 

correct output
8
19 94

user output
8
19 94

Test 3

Verdict: ACCEPTED

input
10
551 71 709 840 291 122 511 570...

correct output
15
893 438

user output
15
893 438

Test 4

Verdict: ACCEPTED

input
10
968 901 548 173 973 856 715 61...

correct output
14
715 698

user output
14
715 698

Test 5

Verdict: ACCEPTED

input
100
221994 55181 870733 831328 206...

correct output
29
396737 649459

user output
29
396737 649459

Test 6

Verdict: ACCEPTED

input
100
892861 947477 331980 209407 82...

correct output
29
825210 578859

user output
29
825210 578859

Test 7

Verdict: ACCEPTED

input
10000
76308292 227339075 779918796 3...

correct output
50
978548139 589096701

user output
50
978548139 589096701

Test 8

Verdict: ACCEPTED

input
10000
873429404 968540665 239439572 ...

correct output
49
661547021 435157931

user output
49
661547021 435157931

Test 9

Verdict: ACCEPTED

input
10000
10374159 364461027 501874596 4...

correct output
50
313852607 889662850

user output
50
313852607 889662850

Test 10

Verdict: ACCEPTED

input
10000
771320644 298761159 20751947 4...

correct output
49
516789275 257079921

user output
49
516789275 257079921