Submission #385025

#	Time	Username	Problem	Language	Result	Execution time	Memory
385025		thecodingwizard	ČVENK (COI15_cvenk)	C++11	0 / 100	2 ms	492 KiB

cvenk

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
#define ii pair<ll, ll>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define F0R(i, n) for (int i = 0; i < n; i++)
#define FOR(i, a, b) for (int i = a; i < b; i++)
#define inf 1000000010

void clean(ii &a, ii &b) {
    for (int i = 30; ~i; i--) {
        if ((a.f & (1 << i)) && (b.f & (1 << i))) {
            a.f ^= (1 << i);
            b.f ^= (1 << i);
        } else if ((a.f & (1 << i)) || (b.f & (1 << i))) {
            break;
        }
    }
    for (int i = 30; ~i; i--) {
        if ((a.s & (1 << i)) && (b.s & (1 << i))) {
            a.s ^= (1 << i);
            b.s ^= (1 << i);
        } else if ((a.s & (1 << i)) || (b.s & (1 << i))) {
            break;
        }
    }
}

bool isLeft(ii x) {
    for (int i = 30; ~i; i--) {
        if (x.f & (1 << i)) {
            return true;
        } else if (x.s & (1 << i)) {
            return false;
        }
    }
    return false;
}

int main() {
    cin.tie(0)->sync_with_stdio(0);

    int n; cin >> n; assert(n == 2);
    ii a, b; cin >> a.f >> a.s >> b.f >> b.s;

    clean(a, b);

    if (isLeft(a) == isLeft(b)) {
        if (isLeft(a)) {
            cout << a.f + a.s + b.f + b.s - 2*min(a.f, b.f) << endl;
        } else {
            cout << a.f + a.s + b.f + b.s - 2*min(a.s, b.s) << endl;
        }
    } else {
        cout << a.f + a.s + b.f + b.s << endl;
    }

    return 0;
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40