# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
439242 |
2021-06-29T12:15:27 Z |
BeanZ |
Cake (CEOI14_cake) |
C++14 |
|
688 ms |
18332 KB |
// I_Love_LPL 11m
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
const int N = 3e5 + 5;
long long mod = 998244353;
const int lim = 4e5 + 5;
const int lg = 22;
const int base = 311;
const long double eps = 1e-6;
ll a[N], pos[N], stR[N * 4], stL[N * 4];
ll n;
void updR(ll k, ll l, ll r, ll x, ll v){
if (x > r || x < l) return;
ll mid = (l + r) >> 1;
if (l == r){
stR[k] = v;
return;
}
updR(k << 1, l, mid, x, v);
updR(k << 1 | 1, mid + 1, r, x, v);
stR[k] = max(stR[k << 1], stR[k << 1 | 1]);
}
void updL(ll k, ll l, ll r, ll x, ll v){
if (x > r || x < l) return;
ll mid = (l + r) >> 1;
if (l == r){
stL[k] = v;
return;
}
updL(k << 1, l, mid, x, v);
updL(k << 1 | 1, mid + 1, r, x, v);
stL[k] = max(stL[k << 1], stL[k << 1 | 1]);
}
ll getR(ll k, ll l, ll r, ll x, ll y){
if (x > r || y < l) return 0;
if (x <= l && y >= r) return stR[k];
ll mid = (l + r) >> 1;
return max(getR(k << 1, l, mid, x, y), getR(k << 1 | 1, mid + 1, r, x, y));
}
ll getL(ll k, ll l, ll r, ll x, ll y){
if (x > r || y < l) return 0;
if (x <= l && y >= r) return stL[k];
ll mid = (l + r) >> 1;
return max(getL(k << 1, l, mid, x, y), getL(k << 1 | 1, mid + 1, r, x, y));
}
ll getposR(ll k, ll l, ll r, ll v){
ll mid = (l + r) >> 1;
if (stR[k] < v) return n + 1;
if (l == r) return l;
if (stR[k << 1] >= v) return getposR(k << 1, l, mid, v);
else return getposR(k << 1 | 1, mid + 1, r, v);
}
ll getposL(ll k, ll l, ll r, ll v){
ll mid = (l + r) >> 1;
if (stL[k] < v) return 0;
if (l == r) return l;
if (stL[k << 1 | 1] >= v) return getposL(k << 1 | 1, mid + 1, r, v);
else return getposL(k << 1, l, mid, v);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
if (fopen("tests.inp", "r")){
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
}
ll d;
cin >> n >> d;
for (int i = 1; i <= n; i++){
cin >> a[i];
if (i < d) updL(1, 1, d, i, a[i]);
if (i > d) updR(1, d, n, i, a[i]);
pos[a[i]] = i;
}
ll q;
cin >> q;
ll tt = n;
while (q--){
char task;
cin >> task;
if (task == 'E'){
ll u, e;
cin >> u >> e;
ll id = min(n, 10ll);
for (int i = 1; i <= id; i++){
if (pos[n - i + 1] == u){
id = i;
break;
}
}
for (int i = id; i >= (e + 1); i--){
pos[n - i + 1] = pos[n - i + 2];
}
pos[n - e + 1] = u;
tt++;
for (int i = 1; i <= e; i++){
if (pos[n - i + 1] < d) updL(1, 1, d, pos[n - i + 1], tt - i + 1);
if (pos[n - i + 1] > d) updR(1, d, n, pos[n - i + 1], tt - i + 1);
}
}
else {
ll u;
cin >> u;
if (u == d) cout << 0 << endl;
else if (u < d){
ll mx = getL(1, 1, d, u, d);
ll id = getposR(1, d, n, mx);
cout << id - u - 1 << endl;
} else {
ll mx = getR(1, d, n, d, u);
ll id = getposL(1, 1, d, mx);
cout << u - id - 1 << endl;
}
}
}
}
/*
7 2
3 7 6 5 2 1 4
5
E 5 1
E 6 3
E 6 1
E 1 5
F 4
Ans:
Out:
*/
Compilation message
cake.cpp: In function 'int main()':
cake.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
66 | freopen("test.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
cake.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
67 | freopen("test.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
8 ms |
424 KB |
Output is correct |
5 |
Correct |
11 ms |
916 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
321 ms |
5096 KB |
Output is correct |
2 |
Correct |
162 ms |
5080 KB |
Output is correct |
3 |
Correct |
236 ms |
5180 KB |
Output is correct |
4 |
Correct |
157 ms |
5092 KB |
Output is correct |
5 |
Correct |
339 ms |
5820 KB |
Output is correct |
6 |
Correct |
348 ms |
6212 KB |
Output is correct |
7 |
Correct |
373 ms |
6080 KB |
Output is correct |
8 |
Correct |
366 ms |
6212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
78 ms |
5812 KB |
Output is correct |
2 |
Correct |
81 ms |
5780 KB |
Output is correct |
3 |
Correct |
69 ms |
5676 KB |
Output is correct |
4 |
Correct |
1 ms |
352 KB |
Output is correct |
5 |
Correct |
140 ms |
11404 KB |
Output is correct |
6 |
Correct |
133 ms |
11336 KB |
Output is correct |
7 |
Correct |
134 ms |
11332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
35 ms |
880 KB |
Output is correct |
2 |
Correct |
25 ms |
972 KB |
Output is correct |
3 |
Correct |
58 ms |
3280 KB |
Output is correct |
4 |
Correct |
77 ms |
3236 KB |
Output is correct |
5 |
Correct |
89 ms |
1728 KB |
Output is correct |
6 |
Correct |
155 ms |
4952 KB |
Output is correct |
7 |
Correct |
103 ms |
2816 KB |
Output is correct |
8 |
Correct |
137 ms |
6376 KB |
Output is correct |
9 |
Correct |
688 ms |
16200 KB |
Output is correct |
10 |
Correct |
305 ms |
5204 KB |
Output is correct |
11 |
Correct |
383 ms |
6744 KB |
Output is correct |
12 |
Correct |
608 ms |
15068 KB |
Output is correct |
13 |
Correct |
493 ms |
18332 KB |
Output is correct |