Submission #464897

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
464897	2021-08-14 12:03:16	ewirlan	XORanges (eJOI19_xoranges)	C++17	100 / 100	125 ms	5188 KiB

xoranges

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//
#define _CTR_SECURE_NO_WARNINGS
#include <iostream>
typedef long long int ll;
template <typename T> T in()
{
    T x;
    std::cin >> x;
    return x;
}
constexpr int maxn = 1 << 18;
int tree[maxn * 2][2];
int query(int a, int b, int p)
{
    a += maxn - 1;
    b += maxn + 1;
    int odp(0);
    while (a + 1 != b)
    {
        if (!(a & 1))odp ^= tree[a + 1][p];
        if (b & 1)odp ^= tree[b - 1][p];
        a /= 2;
        b /= 2;
    }
    return odp;
}
int main()
{
    std::cin.tie(nullptr); std::cout.tie(nullptr); std::ios_base::sync_with_stdio(0);
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25