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Submission #600995

# Submission time Handle Problem Language Result Execution time Memory
600995 2022-07-21T09:52:19 Z Fidan XORanges (eJOI19_xoranges) C++17
55 / 100
 1000 ms 2500 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
	ll n, q, i;
	cin>>n>>q;
	vector<ll> a(n+1);
	
	for(i=1; i<=n; i++){
		cin>>a[i];
	}
	
	while(q--){
		int t;
		cin>>t;
		if(t==1){
			ll j, asdf;
			cin>>j>>asdf;
			a[j]=asdf;
		}
		else{
			ll l, r;
			cin>>l>>r;
			if((r-l)%2==1) cout<<0<<endl;
			else{
				ll c=0;
				for(i=l; i<=r; i+=2){
					c=(c^a[i]);
				}
				cout<<c<<endl;
			}
		}
	}
	return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 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 3 ms 212 KB Output is correct
2 Correct 2 ms 212 KB Output is correct
3 Correct 3 ms 212 KB Output is correct
4 Correct 2 ms 312 KB Output is correct
5 Correct 2 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 3 ms 212 KB Output is correct
9 Correct 2 ms 312 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 12 ms 472 KB Output is correct
12 Correct 15 ms 468 KB Output is correct
13 Correct 18 ms 448 KB Output is correct
14 Correct 19 ms 440 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1078 ms 2500 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 300 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 3 ms 212 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 3 ms 212 KB Output is correct
9 Correct 2 ms 312 KB Output is correct
10 Correct 2 ms 212 KB Output is correct
11 Correct 12 ms 472 KB Output is correct
12 Correct 15 ms 468 KB Output is correct
13 Correct 18 ms 448 KB Output is correct
14 Correct 19 ms 440 KB Output is correct
15 Execution timed out 1078 ms 2500 KB Time limit exceeded
16 Halted 0 ms 0 KB -