oj.uz

Submission #217663

# Submission time Handle Problem Language Result Execution time Memory
217663 2020-03-30T11:44:17 Z Sho10 XORanges (eJOI19_xoranges) C++14
0 / 100
 6 ms 768 KB 
/*
ID: Sho10
LANG: C++
*/
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long int
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,q,a[5005],l,r;
int32_t main(){
CODE_START;
cin>>n>>q;
for(ll i=1;i<=n;i++)
{
    cin>>a[i];
}
while(q--){
        ll t;
    cin>>t;
if(t==1){
    cin>>l>>r;
    a[l]=r;
    cout<<0<<endl;
}else if(t==2){
    cin>>l>>r;
ll s1=0;
ll val=0;
for(ll i=l;i<=r;i++)
{
    if(s1%2==0){
        val=(val^a[i]);
        s1++;
    }else {
    s1++;
    }
}
cout<<val<<endl;
}
}
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 768 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -