//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define mem(a,v) memset((a), (v), sizeof (a))
#define enl printf("\n")
#define case(t) printf("Case #%d: ", (t))
#define ni(n) scanf("%d", &(n))
#define nl(n) scanf("%lld", &(n))
#define nai(a, n) for (int i = 0; i < (n); i++) ni(a[i])
#define nal(a, n) for (int i = 0; i < (n); i++) nl(a[i])
#define pri(n) printf("%d\n", (n))
#define prl(n) printf("%lld\n", (n))
#define pii pair<int, int>
#define pil pair<int, long long>
#define pll pair<long long, long long>
#define vii vector<pii>
#define vil vector<pil>
#define vll vector<pll>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef cc_hash_table<int,int,hash<int>> ht;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> oset;
const double pi = acos(-1);
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;
const int MAXN = 3e5 + 5;
const double eps = 1e-9;
int a[MAXN], ind[MAXN];
int n, x, q;
int pos[12], loc[MAXN*20];
set<pii> val[2];
void upd(int ind, int t, int v) {
if (t) { // suffix
while (!val[t].empty() && (*--val[t].end()).fi >= ind)
val[t].erase(--val[t].end());
val[t].insert(mp(ind, v));
} else {
while (!val[t].empty() && (*val[t].begin()).fi <= ind)
val[t].erase(val[t].begin());
val[t].insert(mp(ind, v));
}
}
int qry(int ind, int t) {
if (ind == x) return 1;
int ret = 0;
if (t) return (*(--val[t].upper_bound(mp(ind, INF)))).se;
return (*val[t].lower_bound(mp(ind, -1))).se;
}
int main() {
scanf("%d %d", &n, &x);
for (int i = 1; i <= n; ++i)
ni(a[i]);
a[0] = INF, a[n+1] = INF;
int l = x-1, r = x+1;
loc[1] = x;
set<pii> b;
for (int i = 2; i <= n; i++) {
if (a[l] < a[r]) {
b.insert(mp(a[l], l));
upd(l, 0, i);
loc[i] = l--;
} else {
b.insert(mp(a[r], r));
upd(r, 1, i);
loc[i] = r++;
}
while (b.size() > 10)
b.erase(b.begin());
}
int col = 0;
for (auto it: b)
pos[b.size() - col++] = it.se;
ni(q);
col = n;
while (q--) {
char t; scanf(" %c", &t);
if (t == 'E') {
int idx, e; scanf("%d %d", &idx, &e);
if (idx == x) continue;
for (int i = e+1; i <= 10; i++)
pos[i] = pos[i-1];
pos[e] = idx;
for (int i = e; i > 0; i--) {
if (pos[i] == 0) continue;
loc[++col] = pos[i];
if (pos[i] < x)
upd(pos[i], 0, col);
else
upd(pos[i], 1, col);
}
} else {
int b; scanf("%d", &b);
int ans = 0;
if (b == x) {
pri(ans);
continue;
}
int c = qry(b, b < x ? 0 : 1);
if (b < x)
ans += loc[c] - b + 1;
else if (b > x)
ans += b - loc[c] + 1;
//for (int i = 1; i <= n; i++)
// if (qry(i, i < x ? 0 : 1) < c)
// ans++;
int lo = x+1, hi = n;
while (lo <= hi) {
int mi = (lo+hi) / 2;
int col = qry(mi, 1);
if (col < c)
lo = mi + 1;
else
hi = mi - 1;
}
ans += lo;
lo = 1, hi = x-1;
while (lo <= hi) {
int mi = (lo+hi) / 2;
int col = qry(mi, 0);
if (col < c)
hi = mi - 1;
else
lo = mi + 1;
}
ans -= hi + 1;
pri(ans-1);
}
}
return 0;
}
Compilation message
cake.cpp: In function 'int qry(int, int)':
cake.cpp:56:6: warning: unused variable 'ret' [-Wunused-variable]
int ret = 0;
^~~
cake.cpp: In function 'int main()':
cake.cpp:62:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &n, &x);
~~~~~^~~~~~~~~~~~~~~~~
cake.cpp:9:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
#define ni(n) scanf("%d", &(n))
~~~~~^~~~~~~~~~~~
cake.cpp:64:3: note: in expansion of macro 'ni'
ni(a[i]);
^~
cake.cpp:9:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
#define ni(n) scanf("%d", &(n))
~~~~~^~~~~~~~~~~~
cake.cpp:85:2: note: in expansion of macro 'ni'
ni(q);
^~
cake.cpp:88:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
char t; scanf(" %c", &t);
~~~~~^~~~~~~~~~~
cake.cpp:90:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
int idx, e; scanf("%d %d", &idx, &e);
~~~~~^~~~~~~~~~~~~~~~~~~
cake.cpp:104:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
int b; scanf("%d", &b);
~~~~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
315 ms |
7912 KB |
Output isn't correct |
| 2 |
Incorrect |
226 ms |
4944 KB |
Output isn't correct |
| 3 |
Correct |
244 ms |
5468 KB |
Output is correct |
| 4 |
Correct |
170 ms |
2908 KB |
Output is correct |
| 5 |
Incorrect |
327 ms |
8712 KB |
Output isn't correct |
| 6 |
Incorrect |
272 ms |
7800 KB |
Output isn't correct |
| 7 |
Correct |
261 ms |
6532 KB |
Output is correct |
| 8 |
Correct |
179 ms |
3676 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
199 ms |
6748 KB |
Output isn't correct |
| 2 |
Incorrect |
114 ms |
6528 KB |
Output isn't correct |
| 3 |
Incorrect |
114 ms |
6508 KB |
Output isn't correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
283 ms |
14912 KB |
Output is correct |
| 6 |
Incorrect |
290 ms |
14968 KB |
Output isn't correct |
| 7 |
Incorrect |
190 ms |
14868 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
44 ms |
1260 KB |
Output isn't correct |
| 2 |
Incorrect |
38 ms |
1084 KB |
Output isn't correct |
| 3 |
Incorrect |
82 ms |
3832 KB |
Output isn't correct |
| 4 |
Incorrect |
89 ms |
4344 KB |
Output isn't correct |
| 5 |
Incorrect |
122 ms |
2424 KB |
Output isn't correct |
| 6 |
Correct |
137 ms |
5376 KB |
Output is correct |
| 7 |
Correct |
135 ms |
2552 KB |
Output is correct |
| 8 |
Correct |
160 ms |
7936 KB |
Output is correct |
| 9 |
Incorrect |
622 ms |
21380 KB |
Output isn't correct |
| 10 |
Incorrect |
397 ms |
7252 KB |
Output isn't correct |
| 11 |
Incorrect |
440 ms |
8952 KB |
Output isn't correct |
| 12 |
Incorrect |
647 ms |
19112 KB |
Output isn't correct |
| 13 |
Incorrect |
594 ms |
20612 KB |
Output isn't correct |
