#include <bits/stdc++.h>
#define mp make_pair
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define inf 2e9
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
struct node{
int sum, tl, tr, mod;
node *l, *r;
node(){
sum = 0; tl = tr = mod = -1;
l = r = nullptr;
}
node(int L, int R, int SUM){
sum = SUM; tl = L; tr = R;
mod = -1;
l = r = nullptr;
}
};
const int SZ = (int)1e9+3;
node *root = new node(0, SZ, 0);
void push(node *v){
if (v->tl == v->tr) return;
int tm = (v->tl + v->tr) / 2;
if (!v->l)
v->l = new node(v->tl, tm, 0);
if (!v->r)
v->r = new node(tm + 1, v->tr, 0);
if (v->mod != -1){
v->l->mod = v->mod;
v->r->mod = v->mod;
v->l->sum = (v->l->tr - v->l->tl + 1) * (v->mod);
v->r->sum = (v->r->tr - v->r->tl + 1) * (v->mod);
v->mod = -1;
}
}
void up(node *v, int l, int r, int val){
if (l > r) return;
if (v->tl == l && v->tr == r) {
v->sum = val * (v->tr - v->tl + 1);
v->mod = val;
return;
}
push(v);
int tm = (v->tr + v->tl) / 2;
up(v->l, l, min(r, tm), val);
up(v->r, max(tm + 1, l), r, val);
v->sum = v->l->sum + v->r->sum;
}
int get_sum(node *v, int l, int r){
if (l > r) return 0;
if (v->tl == l && v->tr == r) return v->sum;
push(v);
int tm = (v->tr + v->tl) / 2;
int ans = 0;
ans += get_sum(v->l, l, min(r, tm));
ans += get_sum(v->r, max(l, tm + 1), r);
return ans;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
// freopen("input.txt", "r", stdin);
int m;
cin >> m;
int c = 0;
while (m--){
int tp,l,r;
cin >> tp >> l >> r;
if (tp == 1){
cout << (c = get_sum(root, l + c, r + c)) << "\n";
// up(root, l + c, r + c, 0);
}else{
up(root, l + c, r + c, 1);
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
20 ms |
5100 KB |
Output is correct |
5 |
Correct |
20 ms |
6124 KB |
Output is correct |
6 |
Correct |
19 ms |
5868 KB |
Output is correct |
7 |
Correct |
21 ms |
6124 KB |
Output is correct |
8 |
Correct |
161 ms |
44652 KB |
Output is correct |
9 |
Correct |
321 ms |
77548 KB |
Output is correct |
10 |
Correct |
334 ms |
85484 KB |
Output is correct |
11 |
Correct |
340 ms |
91756 KB |
Output is correct |
12 |
Correct |
338 ms |
94572 KB |
Output is correct |
13 |
Correct |
314 ms |
110060 KB |
Output is correct |
14 |
Correct |
342 ms |
111212 KB |
Output is correct |
15 |
Correct |
519 ms |
201708 KB |
Output is correct |
16 |
Correct |
522 ms |
203444 KB |
Output is correct |
17 |
Correct |
338 ms |
115052 KB |
Output is correct |
18 |
Correct |
325 ms |
114884 KB |
Output is correct |
19 |
Correct |
513 ms |
207812 KB |
Output is correct |
20 |
Correct |
513 ms |
207724 KB |
Output is correct |