Submission #453683

#	Time	Username	Problem	Language	Result	Execution time	Memory
453683		myvaluska	XORanges (eJOI19_xoranges)	C++14	12 / 100	1084 ms	3104 KiB

xoranges

#include <iostream>
#include <vector>
#include <string>
#include <set>
#include <cmath>
#include <tuple>
using namespace std;
/*long long int power(long long int n, int k)
{
    long long int vys = 1;
    for (int i = 0; i < k; i++)
    {
        vys = (vys * (n - i)) / (i + 1);
    }
    return vys;
}*/

int main()
{
    /*for (int i = 0; i < 10; i++)
    {
        std::cout << "Hello Flash!\n";
    }*/
    int n, q;
    cin >> n >> q;
    vector<int>v(n+1);
    for (int i = 0; i < n; i++)
    {
        cin >> v[i+1];
    }
    while (q--)
    {
        int typ;
        cin >> typ;
        if (typ == 1)
        {
            int index;
            int cislo;
            cin >> index >> cislo;
            v[index] = cislo;
        }
        else if (typ == 2)
        {
            int l;
            int r;
            cin >> l;
            cin >> r;
            int vys=0;
            for (int i = 1; i <= r-l+1; i++)
            {
                for (int j = l; j+i-1 <= r; j++)
                {
                    //int vys2 = v[i];
                    for (int k = j; k < j+i; k++)
                    {
                        vys ^= v[k];
                    }
                }
            }
            cout << vys << endl;
        }
    }
    return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 0 / 18
• Subtask 3: 0 / 25
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25