#include <bits/stdc++.h>
using namespace std;
class segtree {
const int n;
vector<int> tree, cnt;
public:
segtree(int _n) : n(_n), tree(1 << (n + 1)), cnt(n) {
for (int i = 0; i < n; ++i)
cnt[i] = 1 << i;
}
int& operator[](int i) { return cnt[i]; }
void flip(int i) {
int val = tree[i += 1 << n] ? -1 : 1;
for (int d = n; d--; i >>= 1) {
if (tree[i] == 0 || tree[i] == 1 << (n - d)) --cnt[d];
tree[i] += val;
if (tree[i] == 0 || tree[i] == 1 << (n - d)) ++cnt[d];
}
}
};
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
#ifdef palilo
freopen("in", "r", stdin);
freopen("out", "w", stdout);
#endif
int n, q;
cin >> n >> q;
int64_t total = 0; // # of nodes
for (int i = 0; i < n; ++i)
total += 1ll * (1 << i) * (1 << i);
segtree row(n), col(n);
for (int i; q--;) {
char c;
cin >> c >> i, --i;
(c == '0' ? row : col).flip(i);
int64_t grey = total;
for (int i = 0; i < n; ++i)
grey -= row[i] * col[i];
cout << grey * 4 + 1 << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1289 ms |
62332 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |