#include<bits/stdc++.h>
using namespace std;
struct SegmentTree{
vector<int>sTree, L, R;
int nxt = 2;
SegmentTree(int n){
sTree.resize(144 * n);
L.resize(144 * n);
R.resize(144 * n);
}
void Propagate(int node, int l, int r){
if(sTree[node] != r - l + 1)return;
if(l != r){
if(L[node] == 0)L[node] = nxt++;
if(R[node] == 0)R[node] = nxt++;
int mid = (l + r) >> 1;
sTree[L[node]] = mid - l + 1;
sTree[R[node]] = r - mid;
}
}
void R_Update(int node, int l, int r, int ql, int qr){
Propagate(node, l, r);
if(ql <= l && r <= qr){
sTree[node] = r - l + 1;
Propagate(node, l, r);
return;
}
if(ql > r || l > qr)return;
int mid = (l + r) >> 1;
if(L[node] == 0)L[node] = nxt++;
if(R[node] == 0)R[node] = nxt++;
R_Update(L[node], l, mid, ql, qr);
R_Update(R[node], mid + 1, r, ql, qr);
sTree[node] = sTree[L[node]] + sTree[R[node]];
}
int Query(int node, int l, int r, int ql, int qr){
Propagate(node, l, r);
if(ql <= l && r <= qr){
return sTree[node];
}
if(ql > r || l > qr)return 0;
int mid = (l + r) >> 1;
if(L[node] == 0)L[node] = nxt++;
if(R[node] == 0)R[node] = nxt++;
int lc = Query(L[node], l, mid, ql, qr);
int rc = Query(R[node], mid + 1, r, ql, qr);
return lc + rc;
}
};
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int q, c = 0;
cin >> q;
SegmentTree tree(q);
int n = 1e9;
while(q--){
int type, l, r;
cin >> type >> l >> r;
l += c;
r += c;
if(type == 1){
c = tree.Query(1, 1, n, l, r);
cout << c << '\n';
}
else{
tree.R_Update(1, 1, n, l, r);
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
11 ms |
14132 KB |
Output is correct |
5 |
Correct |
15 ms |
17364 KB |
Output is correct |
6 |
Correct |
13 ms |
17496 KB |
Output is correct |
7 |
Correct |
13 ms |
17500 KB |
Output is correct |
8 |
Correct |
96 ms |
85960 KB |
Output is correct |
9 |
Correct |
212 ms |
171420 KB |
Output is correct |
10 |
Correct |
216 ms |
171632 KB |
Output is correct |
11 |
Correct |
205 ms |
171596 KB |
Output is correct |
12 |
Correct |
204 ms |
171600 KB |
Output is correct |
13 |
Correct |
171 ms |
171972 KB |
Output is correct |
14 |
Correct |
174 ms |
171976 KB |
Output is correct |
15 |
Correct |
265 ms |
172164 KB |
Output is correct |
16 |
Correct |
306 ms |
172088 KB |
Output is correct |
17 |
Correct |
173 ms |
171860 KB |
Output is correct |
18 |
Correct |
176 ms |
171856 KB |
Output is correct |
19 |
Correct |
263 ms |
172296 KB |
Output is correct |
20 |
Correct |
271 ms |
172116 KB |
Output is correct |