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Submission #990547

# Submission time Handle Problem Language Result Execution time Memory
990547 2024-05-30T15:52:38 Z ToniB Intergalactic ship (IZhO19_xorsum) C++17
17 / 100
 2000 ms 412 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int MOD = 1e9 + 7;
const int N = 105;

int n, a[N], q, l[N], r[N], x[N], pre[N], ans;

int main(){
	cin >> n;
	for (int i = 0; i < n; ++i) cin >> a[i];
	
	cin >> q;
	for (int i = 0; i < q; ++i) {
		cin >> l[i] >> r[i] >> x[i], --l[i], --r[i];
	}
	
	for (int i = 0; i < (1 << q); ++i) {
		for (int j = 0; j < q; ++j) {
			if (i & 1 << j) {
				pre[l[j]] ^= x[j];
				pre[r[j] + 1] ^= x[j];
			}
		}
		for (int i = 1; i < n; ++i) pre[i] ^= pre[i - 1];
		for (int i = 0; i < n; ++i) a[i] ^= pre[i];

		int sum = 0;
		for (int i = 0; i < n; ++i) {
			int cur = 0;
			for (int j = i; j < n; ++j) {
				cur += a[j];
				sum += cur * cur;
				sum %= MOD;
			}
		}
		ans += sum;
		ans %= MOD;

		for (int i = 0; i < n; ++i) {
			a[i] ^= pre[i];
			pre[i] = 0;
		}
	}
	
	cout << ans << "\n";
	
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 19 ms 348 KB Output is correct
7 Correct 19 ms 348 KB Output is correct
8 Correct 19 ms 348 KB Output is correct

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1804 ms 412 KB Output is correct
2 Correct 1771 ms 344 KB Output is correct
3 Correct 1758 ms 348 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1804 ms 412 KB Output is correct
2 Correct 1771 ms 344 KB Output is correct
3 Correct 1758 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 19 ms 348 KB Output is correct
7 Correct 19 ms 348 KB Output is correct
8 Correct 19 ms 348 KB Output is correct
9 Correct 1804 ms 412 KB Output is correct
10 Correct 1771 ms 344 KB Output is correct
11 Correct 1758 ms 348 KB Output is correct
12 Execution timed out 2078 ms 348 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 19 ms 348 KB Output is correct
7 Correct 19 ms 348 KB Output is correct
8 Correct 19 ms 348 KB Output is correct
9 Correct 1804 ms 412 KB Output is correct
10 Correct 1771 ms 344 KB Output is correct
11 Correct 1758 ms 348 KB Output is correct
12 Incorrect 0 ms 348 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 19 ms 348 KB Output is correct
7 Correct 19 ms 348 KB Output is correct
8 Correct 19 ms 348 KB Output is correct
9 Incorrect 3 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -