#include <bits/stdc++.h>
using namespace std;
struct Node {
int sum, l, r, lazy; Node *lc, *rc;
Node(int L, int R): sum(0), l(L), r(R), lc(NULL), rc(NULL) {}
void pushdown() {
if (!lazy) return ; sum = r - l + 1; int mid = (l + r) / 2;
if (l < r) { if (!lc) lc = new Node(l, mid); lc -> lazy = lazy; if (!rc) rc = new Node(mid + 1, r); rc -> lazy = lazy; } lazy = 0;
}
void update(int tl, int tr) { int mid = (l + r) / 2;
pushdown(); if (l > tr || r < tl) return ; if (tl <= l && r <= tr) { lazy = 1; return ; }
if (tl > mid) { if (!rc) rc = new Node(mid + 1, r); rc -> update(tl, tr); }
else if (tr <= mid) { if (!lc) lc = new Node(l, mid); lc -> update(tl, tr); }
else { if (!lc) lc = new Node(l, mid); lc -> update(tl, mid); if (!rc) rc = new Node(mid + 1, r); rc -> update(mid + 1, tr); }
if (lc) lc -> pushdown(); if (rc) rc -> pushdown();
sum = 0; if (lc) sum += lc -> sum; if (rc) sum += rc -> sum;
}
int query(int tl, int tr) { int mid = (l + r) / 2;
pushdown(); if (l > tr || r < tl) return 0; if (tl <= l && r <= tr) return sum;
if (tl > mid) { return (rc) ? (rc -> query(tl, tr)) : 0; }
else if (tr <= mid) { return (lc) ? (lc -> query(tl, tr)) : 0; }
else { return ((lc) ? (lc -> query(tl, mid)) : 0) + ((rc) ? (rc -> query(mid + 1, tr)) : 0); }
}
};
int M, C; Node *root;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> M; root = new Node(1, 1000000000);
for (int i = 0; i < M; i++) { int D, X, Y; cin >> D >> X >> Y;
if (D == 1) { C = root -> query(X + C, Y + C); cout << C << "\n"; }
if (D == 2) root -> update(X + C, Y + C);
}
}
Compilation message
apple.cpp: In member function 'void Node::pushdown()':
apple.cpp:11:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
11 | if (!lazy) return ; sum = r - l + 1; int mid = (l + r) / 2;
| ^~
apple.cpp:11:29: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
11 | if (!lazy) return ; sum = r - l + 1; int mid = (l + r) / 2;
| ^~~
apple.cpp: In member function 'void Node::update(int, int)':
apple.cpp:24:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
24 | if (lc) lc -> pushdown(); if (rc) rc -> pushdown();
| ^~
apple.cpp:24:35: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
24 | if (lc) lc -> pushdown(); if (rc) rc -> pushdown();
| ^~
# |
결과 |
실행 시간 |
메모리 |
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 |
7788 KB |
Output is correct |
5 |
Correct |
24 ms |
9324 KB |
Output is correct |
6 |
Correct |
24 ms |
9068 KB |
Output is correct |
7 |
Correct |
25 ms |
9324 KB |
Output is correct |
8 |
Correct |
199 ms |
69484 KB |
Output is correct |
9 |
Correct |
419 ms |
118660 KB |
Output is correct |
10 |
Correct |
418 ms |
132792 KB |
Output is correct |
11 |
Correct |
422 ms |
143840 KB |
Output is correct |
12 |
Correct |
429 ms |
148460 KB |
Output is correct |
13 |
Correct |
410 ms |
181356 KB |
Output is correct |
14 |
Correct |
406 ms |
183484 KB |
Output is correct |
15 |
Runtime error |
520 ms |
262148 KB |
Execution killed with signal 9 |
16 |
Halted |
0 ms |
0 KB |
- |