# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
449919 |
2021-08-02T09:36:42 Z |
vanic |
Cake (CEOI14_cake) |
C++14 |
|
369 ms |
4680 KB |
#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>
using namespace std;
const int maxn=3e5, Log=18, pot=(1<<Log);
struct tournament{
int t[pot*2];
void gradi(){
for(int i=pot-1; i>0; i--){
t[i]=max(t[i*2], t[i*2+1]);
}
}
void update(int x, int val){
t[x]=val;
for(x>>=1; x; x>>=1){
t[x]=max(t[x*2], t[x*2+1]);
}
}
int query(int L, int D, int x, int l, int d){
if(L>=l && D<=d){
// cout << "querij " << L << ' ' << D << ' ' << t[x] << endl;
return t[x];
}
int lijeva=0, desna=0;
if((L+D)/2>=l){
lijeva=query(L, (L+D)/2, x*2, l, d);
}
if((L+D)/2+1<=d){
desna=query((L+D)/2+1, D, x*2+1, l, d);
}
return max(lijeva, desna);
}
int nadji(int L, int D, int x, int l, int d, int val, bool s){
if(L>=l && D<=d){
int pos=x;
while(pos<pot && t[pos]>val){
if(s){
if(t[pos*2]>val){
pos*=2;
}
else{
pos=pos*2+1;
}
}
else{
if(t[pos*2+1]>val){
pos=pos*2+1;
}
else{
pos*=2;
}
}
}
if(t[pos]>val){
return pos-pot;
}
return -1;
}
int p=-1;
if(s){
if((L+D)/2>=l){
p=nadji(L, (L+D)/2, x*2, l, d, val, s);
if(p!=-1){
return p;
}
}
if((L+D)/2+1<=d){
p=nadji((L+D)/2+1, D, x*2+1, l, d, val, s);
}
}
else{
if((L+D)/2+1<=d){
p=nadji((L+D)/2+1, D, x*2+1, l, d, val, s);
if(p!=-1){
return p;
}
}
if((L+D)/2>=l){
p=nadji(L, (L+D)/2, x*2, l, d, val, s);
}
}
return p;
}
};
tournament T;
vector < pair < int, int > > upd;
bool cmp(pair < int, int > x, pair < int, int > y){
return x.first>y.first;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n, x;
cin >> n >> x;
x--;
int a;
for(int i=0; i<n; i++){
cin >> a;
if(a>n-10){
a=(a-n+10)*1e6;
upd.push_back({a, i});
}
T.t[i+pot]=a;
// cout << a << ' ';
}
// cout << '\n';
T.gradi();
sort(upd.begin(), upd.end(), cmp);
int q;
cin >> q;
char c;
int e, f;
int novi, stari;
int val1, val2;
int tren=n+1;
for(int i=0; i<q; i++){
cin >> c >> e;
e--;
if(c=='F'){
if(e==x){
cout << 0 << '\n';
continue;
}
else if(e>x){
val1=T.query(0, pot-1, 1, x+1, e);
if(x){
val2=T.nadji(0, pot-1, 1, 0, x-1, val1, 0);
}
else{
val2=-1;
}
// cout<< val1 << ' ' << val2 << endl;
cout << e-val2-1 << '\n';
}
else{
val1=T.query(0, pot-1, 1, e, x-1);
val2=T.nadji(0, pot-1, 1, x+1, pot-1, val1, 1);
if(val2==-1){
val2=n;
}
cout << val2-e-1 << '\n';
}
}
else{
cin >> f;
f--;
novi=e;
int ind=-1;
for(int j=0; j<(int)upd.size(); j++){
if(upd[j].second==e){
ind=j;
break;
}
}
if(ind==-1){
for(int j=f; j<(int)upd.size(); j++){
T.update(novi+pot, upd[j].first);
stari=novi;
novi=upd[j].second;
upd[j].second=stari;
}
T.update(novi+pot, tren);
tren++;
}
else if(ind>f){
for(int j=f; j<=ind; j++){
T.update(novi+pot, upd[j].first);
stari=novi;
novi=upd[j].second;
upd[j].second=stari;
}
}
else if(ind<f){
for(int j=f; j>=ind; j--){
T.update(novi+pot, upd[j].first);
stari=novi;
novi=upd[j].second;
upd[j].second=stari;
}
}
/* cout << "novi ";
for(int j=0; j<n; j++){
cout << T.query(0, pot-1, 1, j, j) << ' ';
}
cout << endl;*/
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1228 KB |
Output is correct |
2 |
Correct |
2 ms |
1228 KB |
Output is correct |
3 |
Correct |
2 ms |
1228 KB |
Output is correct |
4 |
Correct |
4 ms |
1356 KB |
Output is correct |
5 |
Correct |
8 ms |
1508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
208 ms |
1936 KB |
Output is correct |
2 |
Correct |
153 ms |
1844 KB |
Output is correct |
3 |
Correct |
204 ms |
1740 KB |
Output is correct |
4 |
Correct |
148 ms |
1844 KB |
Output is correct |
5 |
Correct |
201 ms |
1868 KB |
Output is correct |
6 |
Correct |
205 ms |
1880 KB |
Output is correct |
7 |
Correct |
212 ms |
1888 KB |
Output is correct |
8 |
Correct |
158 ms |
1884 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
72 ms |
2744 KB |
Output is correct |
2 |
Correct |
64 ms |
2528 KB |
Output is correct |
3 |
Correct |
57 ms |
2496 KB |
Output is correct |
4 |
Correct |
1 ms |
1228 KB |
Output is correct |
5 |
Correct |
100 ms |
3408 KB |
Output is correct |
6 |
Correct |
86 ms |
3384 KB |
Output is correct |
7 |
Correct |
70 ms |
3148 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
31 ms |
1724 KB |
Output is correct |
2 |
Correct |
35 ms |
1772 KB |
Output is correct |
3 |
Correct |
61 ms |
2140 KB |
Output is correct |
4 |
Correct |
54 ms |
2200 KB |
Output is correct |
5 |
Correct |
84 ms |
2172 KB |
Output is correct |
6 |
Correct |
111 ms |
2512 KB |
Output is correct |
7 |
Correct |
134 ms |
2296 KB |
Output is correct |
8 |
Correct |
109 ms |
2240 KB |
Output is correct |
9 |
Correct |
369 ms |
4680 KB |
Output is correct |
10 |
Correct |
288 ms |
3032 KB |
Output is correct |
11 |
Correct |
309 ms |
3188 KB |
Output is correct |
12 |
Correct |
369 ms |
4216 KB |
Output is correct |
13 |
Correct |
313 ms |
4416 KB |
Output is correct |