oj.uz

Submission #683799

# Submission time Handle Problem Language Result Execution time Memory
683799 2023-01-19T11:28:50 Z gagik_2007 Intergalactic ship (IZhO19_xorsum) C++17
0 / 100
 2000 ms 1972 KB 
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <chrono>
#include <ctime>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <limits>
#include <iomanip>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <functional>
#include <random>
#include <cassert>
using namespace std;

typedef long long ll;
typedef long double ld;

#define ff first
#define ss second

ll ttt;
const ll INF = 1e18;
const ll MOD = 1e9 + 7;
const ll N = 1000007;
ll n, m, k;
int a[N];
vector<pair<pair<int, int>, int>>q;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	cin >> m;
	for (int i = 0; i < m; i++) {
		int l, r, x;
		cin >> l >> r >> x;
		l--, r--;
		q.push_back({ {l,r},x });
	}
	ll ans = 0;
	for (int msk = 0; msk < (1 << m); msk++) {
		for (int i = 0; i < m; i++) {
			if (msk & (1 << i)) {
				for (int j = q[i].ff.ff; j <= q[i].ff.ss; j++) {
					a[i] = a[i] ^ q[i].ss;
				}
			}
		}
		for (int i = 0; i < n; i++) {
			int cur = 0;
			for (int j = i; j < n; j++) {
				cur += a[j];
				ans += ll(cur) * cur;
			}
		}
		ans %= MOD;
		for (int i = 0; i < m; i++) {
			if (msk & (1 << i)) {
				for (int j = q[i].ff.ff; j <= q[i].ff.ss; j++) {
					a[i] = a[i] ^ q[i].ss;
				}
			}
		}
	}
	cout << ans << endl;
	return 0;
}

/// ---- - --------  ------ -------- -- - - -
/// Just a reminder. Ubuntu password is I O I
/// ---- - --------  ------ -------- -- - - -

Subtask #1
0 / 4.0

# 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 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# 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 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 1972 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2064 ms 224 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 895 ms 308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 895 ms 308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 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 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# 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 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# 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 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -