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Submission #446682

# Submission time Handle Problem Language Result Execution time Memory
446682 2021-07-23T06:28:38 Z fuad27 XORanges (eJOI19_xoranges) C++14
55 / 100
 1000 ms 3524 KB 
#include<bits/stdc++.h>
using namespace std;
int main () {
	int n, q;
	cin >> n >> q;
	vector<int> v(n, 0);
	for(int i = 0;i<n;i++) {
		int p;
		cin >> p;
		v[i] = p;
	}
	while(q--) {
	int k;
	cin >> k;
	if(k == 2) {
		int s = 0;
		int l, u;
		cin >> l >> u;
		l--;
		u = min(u, n);
		for(int i = l;i<u;i++) {
			if(((i - l + 1)*(u - i))%2)s^=v[i];
		}
		cout<<s<<endl;
	}
	else {
		int i, j;
		cin >> i >> j;
		v[i-1] = j;
	}
	}
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 300 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 2 ms 204 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 2 ms 204 KB Output is correct
8 Correct 2 ms 300 KB Output is correct
9 Correct 2 ms 204 KB Output is correct
10 Correct 2 ms 204 KB Output is correct
11 Correct 16 ms 444 KB Output is correct
12 Correct 16 ms 436 KB Output is correct
13 Correct 39 ms 432 KB Output is correct
14 Correct 40 ms 428 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1084 ms 3524 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 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 2 ms 204 KB Output is correct
8 Correct 2 ms 300 KB Output is correct
9 Correct 2 ms 204 KB Output is correct
10 Correct 2 ms 204 KB Output is correct
11 Correct 16 ms 444 KB Output is correct
12 Correct 16 ms 436 KB Output is correct
13 Correct 39 ms 432 KB Output is correct
14 Correct 40 ms 428 KB Output is correct
15 Execution timed out 1084 ms 3524 KB Time limit exceeded
16 Halted 0 ms 0 KB -