#include <bits/stdc++.h>
using namespace std;
struct btNode {
int value;
bool left;
bool right;
};
struct linkedListNode {
int8_t val;
linkedListNode *next = nullptr;
bool inserted = false;
};
linkedListNode preallocLinked[1000001];
int lastNodeLnkd = 0;
static linkedListNode* get_new_lnkd_node() {
return &preallocLinked[lastNodeLnkd++];
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int N, K;
cin >> N >> K;
vector<int> values(N);
for (auto &i: values) cin >> i;
linkedListNode *head = get_new_lnkd_node();
linkedListNode *tail = head;
stack<btNode> stck;
stck.push(btNode{30, 0, 0});
for (int i = 0; i < N; i++) {
while (values[i] > stck.top().value || (stck.top().left && stck.top().right)) {
btNode &top = stck.top();
if (!top.right && top.value != 0) {
tail->next = get_new_lnkd_node();
tail = tail->next;
tail->val = top.value - 1;
if (top.value == 1) tail->inserted = false;
else tail->inserted = true;
top.right = true;
}
stck.pop();
}
tail->next = get_new_lnkd_node();
tail = tail->next;
tail->val = values[i];
tail->inserted = false;
while (stck.top().value != values[i]) {
btNode &top = stck.top();
if (top.left) {
// I have to go right (left completely explored)
btNode right;
right.value = top.value - 1;
top.right = true;
stck.push(right);
} else {
// I can go left
btNode left;
left.value = top.value - 1;
top.left = true;
stck.push(left);
}
}
stck.pop(); // node is == values[i], algorithm would never run next while loop
while (stck.size() > 1 && stck.top().left && stck.top().right) {
btNode &top = stck.top();
if (!top.right && top.value != 0) {
tail->next = get_new_lnkd_node();
tail = tail->next;
tail->val = top.value - 1;
if (top.value == 1) tail->inserted = false;
else tail->inserted = true;
top.right = true;
}
stck.pop();
}
// maybe this works idk
}
while (!stck.empty()) {
btNode top = stck.top();
if (!top.right && top.value != 0) {
tail->next = get_new_lnkd_node();
tail = tail->next;
tail->val = top.value - 1;
if (top.value == 1) tail->inserted = false;
else tail->inserted = true;
}
stck.pop();
}
head = head->next;
while (head != nullptr) {
cout << (int)head->val << ' ';
head = head->next;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
86 ms |
56004 KB |
Execution killed with signal 11 |
2 |
Runtime error |
89 ms |
56012 KB |
Execution killed with signal 11 |
3 |
Runtime error |
95 ms |
56004 KB |
Execution killed with signal 11 |
4 |
Runtime error |
85 ms |
56008 KB |
Execution killed with signal 11 |
5 |
Runtime error |
98 ms |
55988 KB |
Execution killed with signal 11 |
6 |
Runtime error |
95 ms |
56016 KB |
Execution killed with signal 11 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
92 ms |
55976 KB |
Execution killed with signal 11 |
2 |
Runtime error |
93 ms |
55996 KB |
Execution killed with signal 11 |
3 |
Runtime error |
89 ms |
55996 KB |
Execution killed with signal 11 |
4 |
Runtime error |
104 ms |
55996 KB |
Execution killed with signal 11 |
5 |
Runtime error |
89 ms |
56016 KB |
Execution killed with signal 11 |
6 |
Runtime error |
87 ms |
56092 KB |
Execution killed with signal 11 |
7 |
Runtime error |
85 ms |
56020 KB |
Execution killed with signal 11 |
8 |
Runtime error |
91 ms |
56012 KB |
Execution killed with signal 11 |
9 |
Runtime error |
75 ms |
54336 KB |
Execution killed with signal 11 |
10 |
Runtime error |
47 ms |
50376 KB |
Execution killed with signal 11 |
11 |
Runtime error |
58 ms |
51968 KB |
Execution killed with signal 11 |
12 |
Runtime error |
31 ms |
48008 KB |
Execution killed with signal 11 |
13 |
Runtime error |
31 ms |
47956 KB |
Execution killed with signal 11 |
14 |
Incorrect |
11 ms |
23764 KB |
Unexpected end of file - int32 expected |