| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 110725 |
2019-05-12T06:52:22 Z |
ckodser |
Cake (CEOI14_cake) |
C++14 |
|
2000 ms |
7012 KB |
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
#define ld long double
#define F first
#define S second
#define pii pair<ll,ll>
using namespace :: std;
const ll mod=1e9+7;
const ll maxn=3e5+500;
const ll inf=1e9+900;
const ll sq=13;
ll p[maxn];
ll seg[4*maxn];
void bild(ll L,ll R,ll node){
if(L+1==R){
seg[node]=p[L];
return ;
}
ll mid=(L+R)/2;
bild(L,mid,2*node);
bild(mid,R,2*node+1);
seg[node]=max(seg[2*node+1],seg[2*node]);
}
ll find_first_high_min(ll L,ll R,ll node,ll l,ll r,ll v){
if(r<=L || R<=l || seg[node]<=v){
return inf;
}
if(L+1==R){
return L;
}
ll mid=(L+R)/2;
ll e1=find_first_high_min(L,mid,2*node,l,r,v);
if(e1!=inf)return e1;
return find_first_high_min(mid,R,2*node+1,l,r,v);
}
ll find_first_high_max(ll L,ll R,ll node,ll l,ll r,ll v){
if(r<=L || R<=l || seg[node]<=v){
return inf;
}
if(L+1==R){
return L;
}
ll mid=(L+R)/2;
ll e1=find_first_high_max(mid,R,2*node+1,l,r,v);
if(e1!=inf)return e1;
return find_first_high_max(L,mid,2*node,l,r,v);
}
ll find_seg_max(ll L,ll R,ll node,ll l,ll r){
if(r<=L || R<=l){
return 0;
}
if(l<=L && R<=r){
return seg[node];
}
ll mid=(L+R)/2;
return max(find_seg_max(L,mid,2*node,l,r),find_seg_max(mid,R,2*node+1,l,r));
}
void update_seg(ll L,ll R,ll node,ll x,ll v){
if(L+1==R){
seg[node]=v;
return;
}
ll mid=(L+R)/2;
if(x<mid){
update_seg(L,mid,2*node,x,v);
}else{
update_seg(mid,R,2*node+1,x,v);
}
seg[node]=max(seg[2*node+1],seg[2*node]);
}
ll n,a;
vector<pii> best;
ll find_max(ll e){
ll l,r;
if(e<a){
l=e;
r=a;
}else{
l=a+1;
r=e+1;
}
ll anss=0;
for(ll i=l;i<r;i++){
anss=max(anss,p[i]);
}
return anss;
ll ans=find_seg_max(0,n+5,1,l,r);
for(auto e:best){
if(l<=e.S && e.S<r){
ans=max(ans,e.F);
}
}
return ans;
}
ll find_first_high(ll x,ll f){
for(ll i=a+f;;i+=f){
if(p[i]>x)return i;
}
exit(1);
if(f==1){
ll ans=find_first_high_min(0,n+5,1,a+1,n+5,x);
for(auto e:best){
if(e.F>x && e.S>a){
ans=min(ans,e.S);
}
}
return ans;
}else{
ll ans=find_first_high_max(0,n+5,1,0,a,x);
for(auto e:best){
if(e.F>x && e.S<a){
ans=max(ans,e.S);
}
}
return ans;
}
}
void fixed(ll x,ll v){
update_seg(0,n+5,1,x,v);
}
void update(ll pos,ll v){
p[pos]=best[best.size()-v].F+1;
bool bod=0;
for(ll i=best.size()-v+1;i<best.size();i++){
if(best[i].S!=pos){
p[best[i].S]++;
best[i].F++;
}else{
bod=1;
best[i].F=p[pos];
}
}
if(!bod){
best.pb(mp(p[pos],pos));
}
sort(best.begin(),best.end());
if(best.size()>sq){
reverse(best.begin(),best.end());
pii e=best.back();
// fixed(e.S,e.F);
best.pop_back();
reverse(best.begin(),best.end());
}
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>a;
p[0]=inf;
p[n+1]=inf;
for(ll i=1;i<=n;i++){
cin>>p[i];
if(p[i]>=n-sq){
best.pb(mp(p[i],i));
}
}
bild(0,n+5,1);
sort(best.begin(),best.end());
ll q;
cin>>q;
for(ll i=0;i<q;i++){
char c;
cin>>c;
if(c=='F'){
ll e;
cin>>e;
ll mi=find_max(e);
ll o;
if(e==a){
cout<<0<<endl;
continue;
}
if(e<a){
o=find_first_high(mi,1);
}else{
o=find_first_high(mi,-1);
}
cout<<abs(o-e)-1<<endl;
}else{
ll p,v;
cin>>p>>v;
update(p,v);
}
}
}
Compilation message
cake.cpp: In function 'void update(long long int, long long int)':
cake.cpp:144:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll i=best.size()-v+1;i<best.size();i++){
~^~~~~~~~~~~~
cake.cpp:159:6: warning: variable 'e' set but not used [-Wunused-but-set-variable]
pii e=best.back();
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
182 ms |
640 KB |
Output isn't correct |
| 2 |
Correct |
108 ms |
768 KB |
Output is correct |
| 3 |
Correct |
125 ms |
640 KB |
Output is correct |
| 4 |
Correct |
135 ms |
640 KB |
Output is correct |
| 5 |
Incorrect |
135 ms |
1024 KB |
Output isn't correct |
| 6 |
Incorrect |
144 ms |
1024 KB |
Output isn't correct |
| 7 |
Correct |
146 ms |
1024 KB |
Output is correct |
| 8 |
Correct |
124 ms |
1052 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2016 ms |
3700 KB |
Time limit exceeded |
| 2 |
Execution timed out |
2090 ms |
3708 KB |
Time limit exceeded |
| 3 |
Correct |
1736 ms |
3688 KB |
Output is correct |
| 4 |
Incorrect |
3 ms |
384 KB |
Output isn't correct |
| 5 |
Execution timed out |
2033 ms |
6812 KB |
Time limit exceeded |
| 6 |
Execution timed out |
2037 ms |
6816 KB |
Time limit exceeded |
| 7 |
Execution timed out |
2068 ms |
7012 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
78 ms |
652 KB |
Output isn't correct |
| 2 |
Correct |
97 ms |
792 KB |
Output is correct |
| 3 |
Correct |
715 ms |
2088 KB |
Output is correct |
| 4 |
Incorrect |
736 ms |
2044 KB |
Output isn't correct |
| 5 |
Incorrect |
216 ms |
764 KB |
Output isn't correct |
| 6 |
Correct |
1643 ms |
2432 KB |
Output is correct |
| 7 |
Correct |
495 ms |
1352 KB |
Output is correct |
| 8 |
Correct |
123 ms |
3324 KB |
Output is correct |
| 9 |
Execution timed out |
2040 ms |
6780 KB |
Time limit exceeded |
| 10 |
Incorrect |
633 ms |
1620 KB |
Output isn't correct |
| 11 |
Execution timed out |
2037 ms |
2400 KB |
Time limit exceeded |
| 12 |
Execution timed out |
2045 ms |
6464 KB |
Time limit exceeded |
| 13 |
Execution timed out |
2039 ms |
6752 KB |
Time limit exceeded |
