#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,l,r) for(int i = (l); i < r; i++)
#define per(i,r,l) for(int i = (r); i >= l; i--)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define pb push_back
#define ff first
#define ss second
const ll mod = 1e9 + 7, maxn = 123456, inf = 1e9 + 5;
struct node{
int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
node(){}
node(int sum, int lazy, int lx, int rx, int l = 0, int r = 0):
sum(sum), lazy(lazy), lx(lx), rx(rx), l(l), r(r){}
};
struct seg{
vector<node> a;
int cnt = 1;
seg(int n){
a.resize(n);
a[1] = node(0, 0, 1, 1e9 + 1);
}
void build(int x){
if(!a[x].l){
int mid = (a[x].lx + a[x].rx)/2;
a[++cnt] = node(0, 0, a[x].lx, mid);
a[x].l = cnt;
a[++cnt] = node(0, 0, mid, a[x].rx);
a[x].r = cnt;
}
}
void shift(int x){
if(a[x].lazy){
a[x].sum = a[x].rx - a[x].lx;
build(x);
a[a[x].l].lazy = a[a[x].r].lazy = 1;
a[x].lazy = 0;
}
}
void set(int l, int r, int x){
shift(x);
if(l == a[x].lx && r == a[x].rx){
a[x].lazy = 1;
shift(x);
return;
}
build(x);
int mid = (a[x].lx + a[x].rx)/2;
if(l >= mid) set(l, r, a[x].r);
else if(r <= mid) set(l, r, a[x].l);
else{
set(l, mid, a[x].l);
set(mid, r, a[x].r);
}
shift(a[x].l);
shift(a[x].r);
a[x].sum = a[a[x].l].sum + a[a[x].r].sum;
}
int get(int l, int r, int x){
shift(x);
if(l == a[x].lx && r == a[x].rx) return a[x].sum;
int mid = (a[x].lx + a[x].rx)/2;
build(x);
if(r <= mid) return get(l, r, a[x].l);
else if(l >= mid) return get(l, r, a[x].r);
else return get(l, mid, a[x].l) + get(mid, r, a[x].r);
}
};
int main(){
cin.tie(0) -> sync_with_stdio(0);
int q; cin >> q;
seg st(maxn*30);
int c = 0;
while(q--){
int d, l, r; cin >> d >> l >> r;
if(d == 2){
st.set(c + l, c + r + 1, 1);
}else{
c = st.get(c + l, c + r + 1, 1);
cout << c << '\n';
}
}
return 0;
}
Compilation message
apple.cpp: In constructor 'node::node(int, int, int, int, int, int)':
apple.cpp:15:26: warning: 'node::lazy' will be initialized after [-Wreorder]
15 | int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
| ^~~~
apple.cpp:15:9: warning: 'int node::lx' [-Wreorder]
15 | int lx, rx, sum = 0, lazy = 0, l = 0, r = 0;
| ^~
apple.cpp:17:5: warning: when initialized here [-Wreorder]
17 | node(int sum, int lazy, int lx, int rx, int l = 0, int r = 0):
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
49 ms |
87236 KB |
Output is correct |
2 |
Correct |
40 ms |
87236 KB |
Output is correct |
3 |
Correct |
41 ms |
87372 KB |
Output is correct |
4 |
Correct |
52 ms |
87256 KB |
Output is correct |
5 |
Correct |
56 ms |
87288 KB |
Output is correct |
6 |
Correct |
56 ms |
87224 KB |
Output is correct |
7 |
Correct |
56 ms |
87236 KB |
Output is correct |
8 |
Correct |
158 ms |
87428 KB |
Output is correct |
9 |
Correct |
327 ms |
87656 KB |
Output is correct |
10 |
Correct |
284 ms |
87700 KB |
Output is correct |
11 |
Correct |
293 ms |
87656 KB |
Output is correct |
12 |
Correct |
282 ms |
87596 KB |
Output is correct |
13 |
Runtime error |
352 ms |
177204 KB |
Execution killed with signal 11 |
14 |
Halted |
0 ms |
0 KB |
- |