# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
964663 |
2024-04-17T09:51:57 Z |
Ahmed57 |
Holiday (IOI14_holiday) |
C++17 |
|
213 ms |
8864 KB |
#include "holiday.h"
#include "bits/stdc++.h"
using namespace std;
int ST , D , N;
int L = -1 , R = -1;
long long cur = 0;
multiset<int> lrg,sml;
long long ARR[200001];
long long ma = -1e18;
void fix(int l,int r,int sz){
if(L==-1&&R==-1){
for(int i = l;i<=r;i++){
lrg.insert(ARR[i]);
cur+=ARR[i];
}
L = l;
R = r;
}else{
while(L>l){
L--;
lrg.insert(ARR[L]);
cur+=ARR[L];
}
while(R<r){
R++;
lrg.insert(ARR[R]);
cur+=ARR[R];
}
while(L<l){
auto it = lrg.lower_bound(ARR[L]);
if(it!=lrg.end()&&(*it)==ARR[L]){
cur-=ARR[L];
lrg.erase(it);
}else{
sml.erase(sml.lower_bound(ARR[L]));
}
L++;
}
while(R>r){
auto it = lrg.lower_bound(ARR[R]);
if(it!=lrg.end()&&(*it)==ARR[R]){
cur-=ARR[R];
lrg.erase(it);
}else{
sml.erase(sml.lower_bound(ARR[R]));
}
R--;
}
}
while(sml.size()&&lrg.size()&&*(lrg.begin())<*(--sml.end())){
int a = (*lrg.begin()), b = *(--sml.end());
cur+=b-a;
lrg.erase(lrg.begin());
sml.erase((--sml.end()));
lrg.insert(b);
sml.insert(a);
}
while(lrg.size()<sz&&sml.size()){
cur+=*(--sml.end());
lrg.insert(*(--sml.end()));
sml.erase((--sml.end()));
}
while(lrg.size()>sz){
cur-=(*lrg.begin());
sml.insert(*(lrg.begin()));
lrg.erase(*(lrg.begin()));
}
}
void dc(int l,int r,int lq,int rq){
if(l>r)return ;
int mid = (l+r)/2;
long long ans = -1e18 ;
int pos = -1;
for(int i = lq;i<=rq;i++){
int di = D-min((ST-mid)*2+(i-ST),(i-ST)*2+(ST-mid));
cout<<mid<<" "<<i<<" "<<di<<endl;
if(di>=0){
fix(mid,i,di);
if(ans<cur){
ans = cur;
pos = i;
}
}
}
ma = max(ma,ans);
dc(l,mid-1,lq,min(rq,pos));
dc(mid+1,r,max(lq,pos),rq);
}
long long findMaxAttraction(int n,int st,int d,int arr[]){
for(int i = 0;i<n;i++)ARR[i] = arr[i];
ST = st;
D = d;
N = n;
dc(0,st,st,n);
return ma;
}
Compilation message
holiday.cpp: In function 'void fix(int, int, int)':
holiday.cpp:59:21: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
59 | while(lrg.size()<sz&&sml.size()){
| ~~~~~~~~~~^~~
holiday.cpp:64:21: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
64 | while(lrg.size()>sz){
| ~~~~~~~~~~^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
600 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
170 ms |
7968 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
7 ms |
856 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
213 ms |
8864 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |