Submission #110731

# Submission time Handle Problem Language Result Execution time Memory
110731 2019-05-12T07:05:23 Z ckodser Cake (CEOI14_cake) C++14
0 / 100
2000 ms 2896 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:145:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll i=best.size()-v+1;i<best.size();i++){
                              ~^~~~~~~~~~~~
cake.cpp:160:6: warning: variable 'e' set but not used [-Wunused-but-set-variable]
  pii e=best.back();
      ^
# Verdict Execution time Memory Grader output
1 Correct 3 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 121 ms 384 KB Output isn't correct
2 Correct 109 ms 384 KB Output is correct
3 Correct 109 ms 484 KB Output is correct
4 Correct 138 ms 384 KB Output is correct
5 Incorrect 120 ms 512 KB Output isn't correct
6 Incorrect 173 ms 512 KB Output isn't correct
7 Correct 117 ms 512 KB Output is correct
8 Correct 173 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2017 ms 1728 KB Time limit exceeded
2 Execution timed out 2065 ms 1796 KB Time limit exceeded
3 Correct 1602 ms 1784 KB Output is correct
4 Incorrect 2 ms 384 KB Output isn't correct
5 Execution timed out 2052 ms 2680 KB Time limit exceeded
6 Execution timed out 2041 ms 2560 KB Time limit exceeded
7 Execution timed out 2037 ms 2896 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Incorrect 66 ms 504 KB Output isn't correct
2 Correct 111 ms 664 KB Output is correct
3 Correct 650 ms 1168 KB Output is correct
4 Incorrect 695 ms 1112 KB Output isn't correct
5 Incorrect 169 ms 632 KB Output isn't correct
6 Correct 1660 ms 1408 KB Output is correct
7 Correct 487 ms 872 KB Output is correct
8 Correct 140 ms 1244 KB Output is correct
9 Execution timed out 2008 ms 2652 KB Time limit exceeded
10 Incorrect 581 ms 1624 KB Output isn't correct
11 Execution timed out 2033 ms 2128 KB Time limit exceeded
12 Execution timed out 2100 ms 2388 KB Time limit exceeded
13 Execution timed out 2040 ms 2580 KB Time limit exceeded