#include using namespace std; const int N = 100005; int n, m; // 树状数组模板 typedef long long LL; #define lowbit(x) (x & -x) int c[N]; void add(int x, int d) { for (int i = x; i < N; i += lowbit(i)) c[i] += d; } LL sum(int x) { LL res = 0; for (int i = x; i; i -= lowbit(i)) res += c[i]; return res; } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= m; i++) { int t, x, y; scanf("%d", &t); if (t == 1) { scanf("%d%d", &x, &y); add(x, 1), add(y + 1, -1); // 用差分数组+树状数组,模拟区间修改 } else { scanf("%d", &x); printf("%d\n", sum(x) % 2); // 单点查询,是否变化 } } return 0; }