#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define all(x) x.begin(), x.end()
using namespace std;
const int N = 2e5 + 7;
const int MOD = 1e9 + 7; // 998244353;
const int INF = 1e9 + 7;
const long long INFLL = 1e18 + 7;
typedef long long ll;
template <class X, class Y> bool minimize(X &a, Y b) {
if (a > b) return a = b, true;
return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
if (a < b) return a = b, true;
return false;
}
struct Node {
int l, r, val;
Node(int l = 0, int r = 0, int val = 0) : l(l), r(r), val(val) {
}
};
struct segment_tree {
vector<Node> t;
int id = 1;
int n;
const int MAX = 2e5 + 7;
segment_tree(int n) : n(n) {
t.resize(MAX * 64);
}
void modify(int node, int l, int r, int u, int v) {
if (t[node].val == r - l + 1) return;
if (u <= l && r <= v) {
t[node].val = r - l + 1;
} else {
int mid = (l + r) >> 1;
if (u <= mid) {
if (!t[node].l) t[node].l = ++ id;
modify(t[node].l, l, mid, u, v);
}
if (mid < v) {
if (!t[node].r) t[node].r = ++id;
modify(t[node].r, mid + 1, r, u, v);
}
t[node].val = t[t[node].l].val + t[t[node].r].val;
}
}
int get(int node, int l, int r, int u, int v) {
if (u <= l && r <= v) return t[node].val;
int mid = (l + r) >> 1, sum = 0;
if (u <= mid) {
if (!t[node].l) t[node].l = ++ id;
sum += get(t[node].l, l, mid, u, v);
}
if (mid < v) {
if (!t[node].r) t[node].r = ++id;
sum += get(t[node].r, mid + 1, r, u, v);
}
return sum;
}
void modify(int l, int r) {
modify(1, 1, n, l, r);
}
int get(int l, int r) {
return get(1, 1, n, l, r);
}
};
void solve(void) {
int q, ans = 0; cin >> q;
segment_tree st((int) INF);
while (q --) {
int type, l, r;
cin >> type >> l >> r;
if (type == 1) {
ans = st.get(l + ans, r + ans);
cout << ans << '\n';
} else {
st.modify(l + ans, r + ans);
}
}
}
int main(void) {
cin.tie(0)->sync_with_stdio(0);
int test = 1;
// cin >> test;
while (test --) {
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
77 ms |
150604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |