| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1010819 |
2024-06-29T11:58:28 Z |
vjudge1 |
Queue (CEOI06_queue) |
C++17 |
|
301 ms |
15712 KB |
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define FF first
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)
const int inf = 1e9;
int main() {
//ios_base::sync_with_stdio(0);cin.tie(0);
int n;
cin >> n;
map<int, int> Nxt, Prv;
set<array<int, 2>> st;
st.insert({0, inf + 1});
while (n--) {
int a, b;
cin >> a >> b;
auto ind = st.upper_bound({a, 2 * inf});
ind--;
auto cur = *ind;
if (a >= cur[0] && a <= cur[1]) {
st.erase(ind);
if (a - 1 >= cur[0]) {
st.insert({cur[0], a - 1});
}
if (a + 1 <= cur[1]) {
st.insert({a + 1, cur[1]});
}
}
swap(a, b);
ind = st.upper_bound({a, 2 * inf});
ind--;
cur = *ind;
if (a >= cur[0] && a <= cur[1]) {
st.erase(ind);
if (a - 1 >= cur[0]) {
st.insert({cur[0], a - 1});
}
if (a + 1 <= cur[1]) {
st.insert({a + 1, cur[1]});
}
}
swap(a, b);
if (!Prv[a]) {
Prv[a] = a - 1;
}
if (!Prv[b]) {
Prv[b] = b - 1;
}
if (!Nxt[a]) {
Nxt[a] = a + 1;
}
if (!Nxt[b]) {
Nxt[b] = b + 1;
}
Nxt[Prv[a]] = Nxt[a], Prv[Nxt[a]] = Prv[a];
Nxt[Prv[b]] = a, Prv[a] = Prv[b];
Nxt[a] = b, Prv[b] = a;
}
vector<array<int, 2>> Pos, Val;
int q;
cin >> q;
int temp = 0;
while (q--) {
char kind;
int cur;
cin >> kind >> cur;
if (kind == 'P') {
Val.push_back({cur, temp});
}
else {
Pos.push_back({cur, temp});
}
temp++;
}
int pos = 0, val = 0;
sort(all(Pos));
sort(all(Val));
if (!Nxt[0]) {
Nxt[0] = 1;
}
if (!Nxt[inf]) {
Nxt[inf] = inf + 1;
}
vector<array<int, 2>> Ans;
int cur_val = 0, cur_ind = 0;
bool jump = 0;
int last = -1;
while (cur_val <= inf) {
//cout << cur_val << ' ' << cur_ind << endl;
while (pos < Pos.size() && Pos[pos][0] <= cur_ind) {
Ans.push_back({Pos[pos][1], cur_val - (cur_ind - Pos[pos][0])});
pos++;
}
while (val < Val.size() && Val[val][0] == cur_val || (Val[val][0] < cur_val && Val[val][0] > last && jump)) {
Ans.push_back({Val[val][1], cur_ind - (cur_val - Val[val][0])});
val++;
}
if (Nxt.count(cur_val)) {
cur_val = Nxt[cur_val];
cur_ind++;
jump = 0;
last = cur_val;
continue;
}
auto ind = st.upper_bound({cur_val, 2 * inf});
ind--;
auto cur = *ind;
if (cur_val < cur[0] || cur_val > cur[1]) {
break;
}
cur_ind += cur[1] - cur_val;
cur_val = cur[1];
last = cur_val;
jump = 1;
}
while (pos < Pos.size() && Pos[pos][0] <= cur_ind) {
Ans.push_back({Pos[pos][1], cur_val - (cur_ind - Pos[pos][0])});
pos++;
}
while (val < Val.size() && Val[val][0] <= cur_val) {
Ans.push_back({Val[val][1], cur_ind - (cur_val - Val[val][0])});
val++;
}
sort(all(Ans));
for (int i = 0; i < Ans.size(); i++) {
cout << Ans[i][1] << endl;
}
}
Compilation message
queue.cpp: In function 'int main()':
queue.cpp:101:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
101 | while (pos < Pos.size() && Pos[pos][0] <= cur_ind) {
| ~~~~^~~~~~~~~~~~
queue.cpp:105:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
105 | while (val < Val.size() && Val[val][0] == cur_val || (Val[val][0] < cur_val && Val[val][0] > last && jump)) {
| ~~~~^~~~~~~~~~~~
queue.cpp:105:33: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
105 | while (val < Val.size() && Val[val][0] == cur_val || (Val[val][0] < cur_val && Val[val][0] > last && jump)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
queue.cpp:128:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
128 | while (pos < Pos.size() && Pos[pos][0] <= cur_ind) {
| ~~~~^~~~~~~~~~~~
queue.cpp:132:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
132 | while (val < Val.size() && Val[val][0] <= cur_val) {
| ~~~~^~~~~~~~~~~~
queue.cpp:138:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
138 | for (int i = 0; i < Ans.size(); i++) {
| ~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
0 ms |
348 KB |
Partially correct |
| 2 |
Partially correct |
1 ms |
348 KB |
Partially correct |
| 3 |
Partially correct |
2 ms |
344 KB |
Partially correct |
| 4 |
Partially correct |
3 ms |
604 KB |
Partially correct |
| 5 |
Partially correct |
30 ms |
2016 KB |
Partially correct |
| 6 |
Partially correct |
37 ms |
2900 KB |
Partially correct |
| 7 |
Partially correct |
49 ms |
3536 KB |
Partially correct |
| 8 |
Partially correct |
63 ms |
5280 KB |
Partially correct |
| 9 |
Partially correct |
103 ms |
5544 KB |
Partially correct |
| 10 |
Partially correct |
76 ms |
6000 KB |
Partially correct |
| 11 |
Partially correct |
213 ms |
9812 KB |
Partially correct |
| 12 |
Partially correct |
176 ms |
7652 KB |
Partially correct |
| 13 |
Partially correct |
228 ms |
10064 KB |
Partially correct |
| 14 |
Partially correct |
230 ms |
10264 KB |
Partially correct |
| 15 |
Partially correct |
236 ms |
10404 KB |
Partially correct |
| 16 |
Partially correct |
224 ms |
10272 KB |
Partially correct |
| 17 |
Partially correct |
41 ms |
956 KB |
Partially correct |
| 18 |
Partially correct |
57 ms |
1632 KB |
Partially correct |
| 19 |
Partially correct |
90 ms |
2256 KB |
Partially correct |
| 20 |
Partially correct |
160 ms |
3220 KB |
Partially correct |
| 21 |
Incorrect |
172 ms |
10956 KB |
Unexpected end of file - int32 expected |
| 22 |
Partially correct |
244 ms |
12732 KB |
Partially correct |
| 23 |
Partially correct |
301 ms |
15712 KB |
Partially correct |
| 24 |
Partially correct |
289 ms |
15568 KB |
Partially correct |
| 25 |
Partially correct |
289 ms |
10980 KB |
Partially correct |
