oj.uz

Submission #525505

# Submission time Handle Problem Language Result Execution time Memory
525505 2022-02-11T19:38:30 Z ammar2000 XORanges (eJOI19_xoranges) C++17
0 / 100
 1000 ms 4204 KB 
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int MOD=1e9+7;
ll n,q,a[SI];
int main()
{
   fast
   cin>>n>>q;
   for (int i=1;i<=n;i++)
    cin>>a[i];
   while (q--)
   {
       ll f,l,r;
       cin>>f>>l>>r;
       if (f==1)
        a[l]=r;
       else
       {
           ll xo=0;
        for (int i=l;i<=r;i++)
            if ((i-r+1)%2||(l-i+1)%2)
               xo^=a[i];
        cout << xo<<"\n";
       }
   }
    // use scanf not cin
   return 0;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1016 ms 4204 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -