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Submission #650311

# Submission time Handle Problem Language Result Execution time Memory
650311 2022-10-13T13:14:44 Z Kenpar XORanges (eJOI19_xoranges) C++17
55 / 100
 1000 ms 3492 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long
#define endl '\n'

const ll MOD = 1e9+7;
const ll INF = 1e16;
const int INT_INF = 1e9;
const ll MAX = 1e6+1;

void solve(){
	ll n,q;
	cin>>n>>q;

	ll arr[n];

	for(int i = 0; i < n; i++) cin>>arr[i];

	while(q--){
		ll a,b,c;
		cin>>a>>b>>c;

		
		if(a == 2){
			b--;
			c--;
			ll ans = 0;
			if((c - b + 1) % 2)
				for(int i = b; i <= c; i+=2){
					ans ^= arr[i];
				}

			cout<<ans<<endl;
		}else{
			arr[b-1] = c;
		}
	}
}
 
 
int main()
{
	cin.tie(NULL);
	ios::sync_with_stdio(NULL);
	int t = 1;
 
	//cin >> t;
 
	while(t--){
		solve();
		cout<<endl;
	}
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 3 ms 468 KB Output is correct
13 Correct 5 ms 468 KB Output is correct
14 Correct 5 ms 468 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1091 ms 3492 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 324 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 3 ms 468 KB Output is correct
13 Correct 5 ms 468 KB Output is correct
14 Correct 5 ms 468 KB Output is correct
15 Execution timed out 1091 ms 3492 KB Time limit exceeded
16 Halted 0 ms 0 KB -