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Submission #981548

# Submission time Handle Problem Language Result Execution time Memory
981548 2024-05-13T10:19:09 Z Nomio XORanges (eJOI19_xoranges) C++17
12 / 100
 1000 ms 3272 KB 
#include<bits/stdc++.h>
using namespace std;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	int a[n + 1];
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	while(q--) {
		int t, l, r;
		cin >> t >> l >> r;
		if(t == 1) {
			a[l] = r; 
		} else {
			int S = a[l];
			for(int i = l + 1; i <= r; i++) {
				S = (S ^ a[i]);
			}
			for(int i = 2; i <= r - l + 1; i++) {
				for(int j = l; j <= r - i + 1; j++) {
					int A = 0;
					for(int k = j; k <= j + i - 1; k++) {
						A = (A ^ a[k]);
					}
					S = (S ^ A);
				}
			}
			cout << S << '\n';
		}
	}
	return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 399 ms 444 KB Output is correct
2 Correct 365 ms 444 KB Output is correct
3 Correct 459 ms 468 KB Output is correct
4 Execution timed out 1056 ms 348 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 399 ms 444 KB Output is correct
7 Correct 365 ms 444 KB Output is correct
8 Correct 459 ms 468 KB Output is correct
9 Execution timed out 1056 ms 348 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 3272 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 4 ms 348 KB Output is correct
5 Correct 3 ms 348 KB Output is correct
6 Correct 399 ms 444 KB Output is correct
7 Correct 365 ms 444 KB Output is correct
8 Correct 459 ms 468 KB Output is correct
9 Execution timed out 1056 ms 348 KB Time limit exceeded
10 Halted 0 ms 0 KB -