CSES - Aalto Competitive Programming 2024 - wk8 - Homework C++ - Results
Submission details
Task:Counting ones
Sender:AleksandrPolitov
Submission time:2024-10-24 02:27:19 +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
#7ACCEPTED0.24 sdetails
#8ACCEPTED0.24 sdetails
#9ACCEPTED0.24 sdetails
#10ACCEPTED0.24 sdetails

Code

#ifdef ONPC
    #define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

#define char unsigned char
#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()
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define pb push_back

#define LSOne(S) ((S) & -(S))

using namespace std;
// mt19937 rnd(239);
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

template <typename T> int sgn(T x) { return (T(0) < x) - (x < T(0)); }
typedef long double T;
typedef complex<T> pt;
#define X real()
#define Y imag()

template<class T>
istream& operator>> (istream& is, complex<T>& p) {
    T value;
    is >> value;
    p.real(value);
    is >> value;
    p.imag(value);
    return is;
}

typedef long long ll;
typedef long double ld;

using pi = pair<ll, ll>;
using vi = vector<ll>;
template <class T>
using pq = priority_queue<T>;
template <class T>
using pqg = priority_queue<T, vector<T>, greater<T>>;

int popcnt(int x) { return __builtin_popcount(x); }
int popcnt(ll x) { return __builtin_popcountll(x); }

#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define LB(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define UB(c, x) distance((c).begin(), upper_bound(all(c), (x)))

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef DEBUG
#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define dbg(x...)
#endif

template<typename S, typename T = S> void chmin(S &s, T t) {s = s < t ? s : t;}
template<typename S, typename T = S> void chmax(S &s, T t) {s = s > t ? s : t;}

const int INF = 1e9; // 10^9 = 1B is < 2^31-1
const ll LLINF = 4e18; // 4*10^18 is < 2^63-1
const double EPS = 1e-9;
const ll MOD = 1e9+7;



const int N=2e5+10;
ll v[N];

int solve() {
    int n; std::cin >> n;

    for (int i = 0; i < n; i++) {
        std::cin >> v[i];    
    }


    pair<int,int> res={0,1};
    int curr=0;
    for (int i = 0; i < n; i++) {
        for (int j = i; j < n; j++) {
            int w=popcnt(v[i]*v[j]);
            if(w>curr) {
                res={i, j};
                curr=w;
            }
        }
    }

    std::cout << curr << std::endl;
    std::cout << v[res.fi] << " " << v[res.se] << std::endl;
    


   
    return 0;
}

int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int TET = 1;
    //cin >> TET;
    for (int i = 1; i <= TET; i++) {
        #ifdef ONPC
            cout << "TEST CASE#" << i << endl;
        #endif
        
        if (solve()) {
            break;
        }

        #ifdef ONPC
            cout << "__________________________" << endl;
        #endif
    }
    #ifdef ONPC
        cerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;
    #endif
}

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