oj.uz

Submission #217672

# Submission time Handle Problem Language Result Execution time Memory
217672 2020-03-30T12:01:37 Z Sho10 XORanges (eJOI19_xoranges) C++14
55 / 100
 20 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>>l>>r;
if(t==1){
    a[l]=r;
}else if(t==2){
ll s1=1;
ll val=a[l];
if(l%2!=r%2){
    cout<<0<<endl;
}else {
for(ll i=l+1;i<=r;i++)
{
    if(s1%2==0){
        val=((val^a[i]));
        s1++;
    }else {
    s1++;
    }
}
cout<<val<<endl;
}
}
}
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 10 ms 512 KB Output is correct
12 Correct 10 ms 512 KB Output is correct
13 Correct 19 ms 512 KB Output is correct
14 Correct 20 ms 512 KB Output is correct

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 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 10 ms 512 KB Output is correct
12 Correct 10 ms 512 KB Output is correct
13 Correct 19 ms 512 KB Output is correct
14 Correct 20 ms 512 KB Output is correct
15 Runtime error 6 ms 768 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Halted 0 ms 0 KB -