/**
* author : Lăng Trọng Đạt
* created: 08-11-2023
**/
#include <bits/stdc++.h>
using namespace std;
#ifndef LANG_DAT
#define db(...) ;
#endif // LANG_DAT
#define int int64_t
#define mp make_pair
#define f first
#define s second
#define pb push_back
#define all(v) (v).begin(), (v).end()
using pii = pair<int, int>;
const int MAXN = 4e7 + 5;
struct Node {
int val, lazy;
int lc, rc; // left child, right child
int lb, rb; // left border, right border
};
vector<Node> st(3);
ostream& operator<<(ostream& os, Node& v) {
os << "[" << v.val << " {" << v.lb << " " << v.rb << "}" <<
" {" << v.lc << " " << v.rc << "}" << "]";
}
int id = 2;
void extend(Node& v) {
if (!v.lc) {
int mid = (v.lb + v.rb) / 2;
st[id].lb = v.lb;
st[id].rb = mid;
v.lc = id++;
st.push_back(Node());
st[id].lb = mid + 1;
st[id].rb = v.rb;
v.rc = id++;
st.push_back(Node());
}
}
void push(Node& v) {
if (v.lazy) {
if (v.lb < v.rb) {
extend(v);
st[v.lc].lazy = st[v.rc].lazy = 1;
}
v.val = v.rb - v.lb + 1;
v.lazy = 0;
}
}
void upd(Node& v, int l, int r) {
// db(v)
if (v.lb > r or l > v.rb) return;
push(v);
if (l == v.lb && v.rb == r) {
v.lazy = 1;
} else {
extend(v);
int mid = (v.rb + v.lb) / 2;
if (l > mid) upd(st[v.rc], l, r);
else if (r <= mid) upd(st[v.lc], l, r);
else {
upd(st[v.lc], l, mid);
upd(st[v.rc], mid + 1, r);
}
push(st[v.lc]); push(st[v.rc]);
v.val = st[v.lc].val + st[v.rc].val;
}
}
int get(Node& v, int l, int r) {
push(v);
if (l == v.lb && v.rb == r) {
return v.val;
} else {
extend(v);
int mid = (v.rb + v.lb) / 2;
if (l > mid) return get(st[v.rc], l, r);
else if (r <= mid) return get(st[v.lc], l, r);
else {
return get(st[v.lc], l, mid) +
get(st[v.rc], mid + 1, r);
}
}
}
int32_t main() {
// cin.tie(0)->sync_with_stdio(0);
if (fopen("hi.inp", "r")) {
freopen("hi.inp", "r", stdin);
// freopen("hi.out", "w", stdout);
}
int q, type, l, r;
st[1].lb = 1; st[1].rb = 1e9 + 50;
cin >> q;
int c = 0;
while (cin >> type >> l >> r) {
l += c; r += c;
if (type == 2) {
// db(l, r)
upd(st[1], l, r);
} else {
c = get(st[1], l, r);
cout << c << "\n";
}
}
}
Compilation message
apple.cpp: In function 'std::ostream& operator<<(std::ostream&, Node&)':
apple.cpp:28:1: warning: no return statement in function returning non-void [-Wreturn-type]
28 | }
| ^
apple.cpp: In function 'int32_t main()':
apple.cpp:92:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
92 | freopen("hi.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Runtime error |
1 ms |
848 KB |
Execution killed with signal 11 |
| 5 |
Halted |
0 ms |
0 KB |
- |
