| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1010815 |
2024-06-29T11:56:10 Z |
vjudge1 |
Queue (CEOI06_queue) |
C++17 |
|
199 ms |
19024 KB |
#include<bits/stdc++.h>
using namespace std;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define endl '\n'
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
//#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
map<int, int> prv, nxt;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
for (int i = 0; i < n; i++){
int a, b;
cin >> a >> b;
int pa = (prv.count(a) ? prv[a] : a - 1);
int na = (nxt.count(a) ? nxt[a] : a + 1);
nxt[pa] = na;
prv[na] = pa;
int pb = (prv.count(b) ? prv[b] : b - 1);
nxt[pb] = a;
prv[a] = pb;
nxt[a] = b;
prv[b] = a;
}
int q;
cin >> q;
vector<array<int, 3>> queries(q);
for (int i = 0; i < q; i++){
char t; cin >> t;
int x, y;
x = t == 'P';
cin >> y;
if (nxt.count(y) == 0){
nxt[y] = y + 1;
prv[y + 1] = y;
}
if (prv.count(y) == 0){
prv[y] = y - 1;
nxt[y - 1] = y;
}
queries[i] = {y, x, i};
}
sort(all(queries));
vector<int> ans(q);
int cur = (nxt.count(0) ? nxt[0] : 1);
int pos = 1;
for (int i = 0; i < q; i++){
while (pos < queries[i][0]){
if (nxt.count(cur)){
cur = nxt[cur];
pos++;
} else {
int up = nxt.upper_bound(cur)->first;
pos += up - cur;
cur = up;
}
}
debug(queries[i], cur, pos);
ans[queries[i][2]] = cur;
}
for (int i = 0; i < q; i++){
cout << ans[i] << endl;
}
}
Compilation message
queue.cpp: In function 'int main()':
queue.cpp:6:20: warning: statement has no effect [-Wunused-value]
6 | #define debug(...) 42
| ^~
queue.cpp:78:3: note: in expansion of macro 'debug'
78 | debug(queries[i], cur, pos);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
1 ms |
344 KB |
Partially correct |
| 2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 3 |
Partially correct |
2 ms |
344 KB |
Partially correct |
| 4 |
Incorrect |
4 ms |
600 KB |
Output isn't correct |
| 5 |
Incorrect |
78 ms |
11152 KB |
Output isn't correct |
| 6 |
Incorrect |
78 ms |
11552 KB |
Output isn't correct |
| 7 |
Incorrect |
45 ms |
5456 KB |
Output isn't correct |
| 8 |
Incorrect |
93 ms |
13392 KB |
Output isn't correct |
| 9 |
Incorrect |
87 ms |
11928 KB |
Output isn't correct |
| 10 |
Incorrect |
99 ms |
12248 KB |
Output isn't correct |
| 11 |
Incorrect |
107 ms |
8528 KB |
Output isn't correct |
| 12 |
Incorrect |
98 ms |
6736 KB |
Output isn't correct |
| 13 |
Incorrect |
114 ms |
9040 KB |
Output isn't correct |
| 14 |
Incorrect |
122 ms |
9808 KB |
Output isn't correct |
| 15 |
Incorrect |
117 ms |
10064 KB |
Output isn't correct |
| 16 |
Incorrect |
110 ms |
9500 KB |
Output isn't correct |
| 17 |
Incorrect |
31 ms |
3668 KB |
Output isn't correct |
| 18 |
Incorrect |
49 ms |
5456 KB |
Output isn't correct |
| 19 |
Incorrect |
60 ms |
4436 KB |
Output isn't correct |
| 20 |
Incorrect |
117 ms |
9804 KB |
Output isn't correct |
| 21 |
Incorrect |
123 ms |
13924 KB |
Output isn't correct |
| 22 |
Incorrect |
149 ms |
15444 KB |
Output isn't correct |
| 23 |
Incorrect |
199 ms |
18512 KB |
Output isn't correct |
| 24 |
Incorrect |
196 ms |
19024 KB |
Output isn't correct |
| 25 |
Incorrect |
148 ms |
12372 KB |
Output isn't correct |
