/**
* 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 = 2e5 + 5;
struct Node {
int val, lazy;
int lc, rc; // left child, right child
int lb, rb; // left border, right border
} st[64*MAXN];
ostream& operator<<(ostream& os, Node& v) {
os << "[" << v.val << " " << v.lb << " " << v.rb << "]";
}
int q, type, l, r;
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[id].lb = mid + 1;
st[id].rb = v.rb;
v.rc = id++;
}
}
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)
push(v);
// if (v.lb > r or l > v.rb) return;
if (l == v.lb && v.rb == r) {
v.lazy = 1;
push(v);
} 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);
db(v)
// if (v.lb > r or l > v.rb) return 0;
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);
}
st[1].lb = 1; st[1].rb = 1e9 + 50;
cin >> q;
int c = 0;
while (cin >> type >> l >> r) {
// db(l, r)
l += c; r += c;
if (type == 2) {
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:26:1: warning: no return statement in function returning non-void [-Wreturn-type]
26 | }
| ^
apple.cpp: In function 'int32_t main()':
apple.cpp:93:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
93 | freopen("hi.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 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 |
Correct |
16 ms |
8832 KB |
Output is correct |
5 |
Correct |
20 ms |
10844 KB |
Output is correct |
6 |
Correct |
20 ms |
10836 KB |
Output is correct |
7 |
Correct |
20 ms |
10844 KB |
Output is correct |
8 |
Correct |
138 ms |
70520 KB |
Output is correct |
9 |
Correct |
311 ms |
119980 KB |
Output is correct |
10 |
Correct |
288 ms |
134224 KB |
Output is correct |
11 |
Correct |
304 ms |
144404 KB |
Output is correct |
12 |
Correct |
296 ms |
148688 KB |
Output is correct |
13 |
Correct |
280 ms |
181608 KB |
Output is correct |
14 |
Correct |
262 ms |
183548 KB |
Output is correct |
15 |
Runtime error |
272 ms |
262144 KB |
Execution killed with signal 9 |
16 |
Halted |
0 ms |
0 KB |
- |