QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #21305 | #2815. 组合数据结构问题 | DoorKickers# | AC ✓ | 38ms | 5988kb | C++20 | 1.8kb | 2022-03-04 14:52:08 | 2022-05-08 02:51:45 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main() {
int n; cin >> n;
multiset<int> value;
stack<int> st;
queue<int> q;
bool fl, fl_, fl__, fl___;
fl = fl_ = fl__ = fl___ = 1;
for (int i = 1; i <= n; i++) {
int op, v;
cin >> op >> v;
if (op == 1) {
q.push(v);
st.push(v);
value.insert(v);
}
else {
if (!st.empty() && fl && v != st.top()) {
fl = 0;
}
else if (!st.empty()) {
st.pop();
}
else {
fl = 0;
}
if (!q.empty() && fl_ && v != q.front()) {
fl_ = 0;
}
else if (!q.empty()) {
q.pop();
}
else {
fl_ = 0;
}
if (value.empty()) {
fl__ = fl___ = 0;
continue;
}
int mx = *value.rbegin();
int mi = *value.begin();
if (fl__ && v != mx) {
fl__ = 0;
}
if (fl___ && v != mi) {
fl___ = 0;
}
if (fl__ && v == mx) {
auto p = value.end();
p--;
value.erase(p);
}
else if (fl___ && v == mi) {
value.erase(value.begin());
}
}
}
if (fl_) cout << "Yes" << '\n';
else cout << "No" << '\n';
if (fl) cout << "Yes" << '\n';
else cout << "No" << '\n';
if (fl__) cout << "Yes" << '\n';
else cout << "No" << '\n';
if (fl___) cout << "Yes" << '\n';
else cout << "No" << '\n';
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 3548kb
input:
6 1 1 1 2 1 3 2 1 2 2 2 3
output:
Yes No No Yes
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 38ms
memory: 5840kb
input:
100000 1 49 1 59 2 49 1 98 2 59 2 98 1 95 1 34 1 64 2 95 1 18 1 44 1 7 1 78 2 34 2 64 2 18 1 37 2 44 1 89 2 7 1 2 1 21 2 78 2 37 1 90 1 75 1 50 1 33 1 70 1 32 2 89 2 2 1 49 2 21 1 46 2 90 1 3 2 75 1 50 1 37 1 24 1 88 1 78 2 50 1 22 1 73 1 95 1 100 2 33 1 28 1 62 1 25 2 70 1 90 2 32 1 31 2 49 2 46 2 ...
output:
Yes No No No
result:
ok 4 lines
Test #3:
score: 0
Accepted
time: 37ms
memory: 5988kb
input:
100000 1 78 1 47 1 9 2 9 2 47 2 78 1 67 1 58 1 6 2 6 1 60 1 5 2 5 2 60 1 100 2 100 1 76 1 28 1 81 1 40 1 5 2 5 2 40 1 39 1 13 1 82 2 82 2 13 1 19 2 19 2 39 1 47 1 25 2 25 2 47 2 81 2 28 2 76 2 58 2 67 1 13 2 13 1 39 2 39 1 72 2 72 1 88 1 84 2 84 2 88 1 100 2 100 1 2 2 2 1 91 1 20 2 20 1 25 1 37 2 37...
output:
No Yes No No
result:
ok 4 lines
Test #4:
score: 0
Accepted
time: 33ms
memory: 3508kb
input:
100000 1 99 1 79 2 79 1 90 2 90 2 99 1 43 1 40 1 61 2 40 2 43 2 61 1 98 1 70 1 65 2 65 2 70 2 98 1 64 2 64 1 64 1 12 1 57 1 54 1 69 1 19 1 67 1 99 1 42 1 25 1 88 2 12 2 19 1 50 1 45 1 60 1 55 1 14 1 49 1 55 2 14 1 87 2 25 1 14 2 14 1 37 1 20 2 20 2 37 2 42 2 45 2 49 1 82 1 39 1 80 1 76 1 7 2 7 1 19 ...
output:
No No No Yes
result:
ok 4 lines
Test #5:
score: 0
Accepted
time: 34ms
memory: 3628kb
input:
100000 1 83 2 83 1 84 1 49 1 12 1 29 2 84 2 49 1 3 2 29 2 12 2 3 1 24 1 46 1 13 2 46 2 24 2 13 1 66 1 92 2 92 2 66 1 37 1 50 1 16 1 90 2 90 1 92 2 92 1 38 2 50 1 24 1 85 1 13 2 85 2 38 1 53 1 46 1 7 1 43 1 16 1 28 2 53 1 56 1 59 2 59 2 56 2 46 2 43 1 31 1 64 1 3 2 64 1 46 2 46 2 37 2 31 1 71 2 71 1 ...
output:
No No Yes No
result:
ok 4 lines
Test #6:
score: 0
Accepted
time: 38ms
memory: 3572kb
input:
100000 1 -2147483648 2 -2147483648 1 -2147483648 1 1 1 1 2 -2147483648 2 1 1 -2147483648 2 -2147483648 1 -1 1 1 2 -1 1 1 1 -2147483648 2 -2147483648 1 1 1 -2147483648 2 -2147483648 2 1 2 1 1 -1 2 -1 1 -1 2 -1 2 1 2 1 1 -2147483648 2 -2147483648 1 1 2 1 1 -1 2 -1 1 1 2 1 1 1 2 1 1 -2147483648 2 -2147...
output:
No No No Yes
result:
ok 4 lines
Test #7:
score: 0
Accepted
time: 38ms
memory: 5948kb
input:
100000 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 1 1 2 1 2 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 1 1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 1 1 1 1 2 1 2 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 2 1 2 1 1 1 1 1 2 1 1 1 1 1 2...
output:
No No No No
result:
ok 4 lines