| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 57892 |
2018-07-16T13:39:30 Z |
thiago4532 |
Cake (CEOI14_cake) |
C++17 |
|
2000 ms |
15496 KB |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 250010;
int vet[maxn], bak[maxn], mark[maxn];
struct node{
int v, w, sz, maior;
node *l, *r;
node(int v=0): w(rand()), maior(v), v(v), l(0), r(0) { }
};
inline int maior(node* t){
return t ? t->maior : 0;
}
inline int sz(node *t){
return t ? t->sz : 0;
}
inline void update(node*& t){
if(!t) return;
t->sz = sz(t->l) + sz(t->r) + 1;
t->maior = max(t->v, max(maior(t->l), maior(t->r)));
}
void merge(node*& t, node* l, node *r){
if(!l || !r) return void(t = l?l:r);
if(l->w >= r->w){
merge(l->r, l->r, r);
t = l;
}else{
merge(r->l, l, r->l);
t = r;
}
update(t);
}
void split(node *t, node*& l, node*& r, int p){
if(!t) return void(l = r = 0);
int pos = sz(t->l) + 1;
if(pos < p){
l = t;
split(t->r, t->r, r, p-pos);
}else{
r = t;
split(t->l, l, t->l, p);
}
update(t);
}
void insert(node*& t, int pos, int v){
node *l=0, *r=0, *it = new node(v);
split(t, l, r, pos);
merge(l, l, it);
merge(t, l, r);
}
void erase(node*& t, int pos){
node *l=0, *r=0, *aux;
split(t, l, r, pos);
split(r, aux, r, 2);
merge(t, l, r);
delete aux;
}
void altera(node*& t, int p, int v){
if(!t) return;
int pos = sz(t->l) + 1;
if(pos == p) t->v = v;
else if(p < pos) altera(t->l, p, v);
else altera(t->r, p-pos, v);
update(t);
}
ostream& operator<<(ostream& out, node *t){
if(!t) return out;
out << t->l << t->v << " " << t->r;
}
int query1(node *t, int v, int p=0){
if(!t) return 0;
int pos = sz(t->l) + 1 + p;
if(maior(t->l) >= v) return query1(t->l, v, p);
else if(t->v >= v) return pos;
else return query1(t->r, v, pos);
}
int query2(node *t, int v, int p=0){
if(!t) return 0;
int pos = sz(t->l) + 1 + p;
if(maior(t->r) >= v) return query2(t->r, v, pos);
else if(t->v >= v) return pos;
else return query2(t->l, v, p);
}
inline int ans_query1(node*& t, int p, int v){
node *l=0, *r=0;
split(t, l, r, p);
int resp = query1(r, v);
//cout << r << "- " << resp << "\n";
merge(t, l, r);
return resp;
}
inline int ans_query2(node*& t, int p, int v){
node *l=0, *r=0;
split(t, l, r, p);
int resp = query2(l, v);
//cout << l << "- " << resp << "\n";
merge(t, l, r);
return resp;
}
typedef pair<int, int> pii;
#define ff first
#define ss second
int main(){
ios::sync_with_stdio(false), cin.tie(0);
int n, a;
cin >> n >> a;
node *no = 0;
for(int i=1;i<=n;i++)
cin >> vet[i], insert(no, i, vet[i]);
int q;
cin >> q;
while(q--){
char c;
cin >> c;
if(c == 'F'){
int x;
cin >> x;
int ans = abs(x - a);
int o = (x - a > 0 ? -1 : 1);
int maior = vet[x];
if(x - a == 0){
cout << ans << "\n";
continue;
}
int p = a + o;
if(x - a > 0)
for(int i=a+1;i<=x;i++)
maior = max(maior, vet[i]);
else
for(int i=x;i<a;i++)
maior = max(maior, vet[i]);
//if(o == 1) cout << "QUERY1: " << ans_query1(no, p, maior) << "\n" ;
//else cout << "QUERY2: " << ans_query2(no, p+1, maior) << "\n";
//cout << "MAX: " << maior << "\n";
/*while(p >= 1 && p <= n){
//cout << p << " " << vet[p] << "\n";
if(vet[p] > maior) break;
ans++;
p += o;
}*/
if(o == 1){
int y = ans_query1(no, p, maior);
//cout << "Y: " << y << "\n";
if(y == 0) ans += (n-a);
else ans += (y-1);
}
else{
int y = ans_query2(no, p+1, maior);
if(y == 0) ans += x;
else ans += (a-y-1);
}
cout << ans << "\n";
}else{
int p, e;
cin >> p >> e;
e = n - e + 1;
for(int i=1;i<=n;i++) bak[i] = vet[i];
nth_element(bak+1, bak+e, bak+1+n);
vet[p] = bak[e]+1;
altera(no, p, vet[p]);
for(int i=1;i<=n;i++)
if(i != p && vet[i] >= vet[p]) vet[i]++, altera(no, i, vet[i]);
}
}
return 0;
}
Compilation message
cake.cpp: In constructor 'node::node(int)':
cake.cpp:8:16: warning: 'node::maior' will be initialized after [-Wreorder]
int v, w, sz, maior;
^~~~~
cake.cpp:8:6: warning: 'int node::v' [-Wreorder]
int v, w, sz, maior;
^
cake.cpp:11:2: warning: when initialized here [-Wreorder]
node(int v=0): w(rand()), maior(v), v(v), l(0), r(0) { }
^~~~
cake.cpp: In function 'std::ostream& operator<<(std::ostream&, node*)':
cake.cpp:85:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2025 ms |
1144 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2043 ms |
1416 KB |
Time limit exceeded |
| 3 |
Execution timed out |
2050 ms |
1492 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2062 ms |
1588 KB |
Time limit exceeded |
| 5 |
Execution timed out |
2063 ms |
2392 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2072 ms |
2392 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2067 ms |
2392 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2040 ms |
2392 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2049 ms |
7140 KB |
Time limit exceeded |
| 2 |
Incorrect |
1382 ms |
7184 KB |
Output isn't correct |
| 3 |
Incorrect |
428 ms |
7184 KB |
Output isn't correct |
| 4 |
Incorrect |
3 ms |
7184 KB |
Output isn't correct |
| 5 |
Execution timed out |
2062 ms |
15136 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2082 ms |
15496 KB |
Time limit exceeded |
| 7 |
Incorrect |
498 ms |
15496 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
709 ms |
15496 KB |
Output isn't correct |
| 2 |
Correct |
1347 ms |
15496 KB |
Output is correct |
| 3 |
Execution timed out |
2069 ms |
15496 KB |
Time limit exceeded |
| 4 |
Execution timed out |
2069 ms |
15496 KB |
Time limit exceeded |
| 5 |
Incorrect |
1403 ms |
15496 KB |
Output isn't correct |
| 6 |
Execution timed out |
2059 ms |
15496 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2059 ms |
15496 KB |
Time limit exceeded |
| 8 |
Execution timed out |
2051 ms |
15496 KB |
Time limit exceeded |
| 9 |
Execution timed out |
2028 ms |
15496 KB |
Time limit exceeded |
| 10 |
Execution timed out |
2048 ms |
15496 KB |
Time limit exceeded |
| 11 |
Execution timed out |
2045 ms |
15496 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2070 ms |
15496 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2055 ms |
15496 KB |
Time limit exceeded |
