Submission #467262

#	Time	Username	Problem	Language	Result	Execution time	Memory
467262		nathanlee726	Minerals (JOI19_minerals)	C++14	75 / 100	36 ms	2176 KiB

minerals

//#include<i_am_noob_orz>
#include<bits/stdc++.h>
#include "minerals.h" 
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
#define ll long long
//#define int ll
#define ull unsigned long long
#define pii pair<int,int>
#define X first
#define Y second
#define mod ((ll)1e9+7)
#define pb push_back
#define mp make_pair
#define abs(x) ((x)>0?(x):(-(x)))
#define F(n) Fi(i,n)
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define memres(a) memset(a,0,sizeof(a))
#define all(a) a.begin(),a.end()
#define sz(a) ((int)a.size())
#define ceiling(a,b) (((a)+(b)-1)/(b))
#define endl '\n'
#define bit_count(x) __builtin_popcountll((x))
#define ykh mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define jimmy_is_kind false
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> rbtree;

//#define LOCAL
#ifdef LOCAL
#define bug(...) cerr<<"#"<<__LINE__<<' '<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr<<x<<", "; _do(y...);}
#define IOS()
int Query(int x){return 0;}
void Answer(int a, int b){}
#else
#define IOS() ios_base::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif
 
int add(int a,int b){return(a+b>=mod?a+b-mod:a+b);}
int sub(int a,int b){return(a<b?a+mod-b:a-b);}
int po(int a,int b){
	if(b==0)return 1;
	if(b==1)return(a%mod);
	int tem=po(a,b/2);
	if(b&1)return(((tem*tem)%mod)*a)%mod;
	else return(tem*tem)%mod; 
}
int GCD(int a,int b){
	int x=0;
	int ra,rb;
	while(a&&b){
		if(((a&1)==0)&&((b&1)==0)){
			a>>=1,b>>=1,x++;
		}
		else if((a^b)&1){
			if(a&1)b>>=1;
			else a>>=1;
		}
		else{
			ra=abs(a-b),rb=min(a,b);
			a=ra,b=rb;
		}
	}
	return max(a,b)<<x;
}
int gcd(int a,int b){if(b==0)return a;return gcd(b,a%b);}

vector<int> va,vb;

void Solve(int n){
	int s=0;
	F(2*n){
		int ts=Query(i+1);
		if(ts==s){
			vb.pb(i);
		}
		else{
			va.pb(i);
		}
		s=ts;
	}
	int lg=__lg(n-1)+1;
	vector<int> vc(n,0),vd(((n+1)/2),-1);
	bool vis[n*2]={0};
	for(int i=lg-1,k=0;i>=0;i--,k=1-k){
		Fi(j,n){
			if(i==lg-1){
				if(j&(1ll<<i)){
					s=Query(va[j]+1);
				}
			}
			else{
				if((((j&(1ll<<(i+1)))==0)&&((j&(1ll<<(i))))==0)||((j&(1ll<<(i)))&&(j&(1ll<<(i+1))))){
					s=Query(va[j]+1);
				} 
			}
		}
		if(i==0){
			Fi(j,n){
				if(vd[vc[j]/2]==-1){
					vd[vc[j]/2]=j;
				}
				else{
					int ts=Query(vb[j]+1);
					if(ts!=s){
						vc[j]+=(1-k);
						vc[vd[vc[j]/2]]+=k;
					}
					else{
						vc[vd[vc[j]/2]]+=(1-k);
						vc[j]+=k;
					}
					s=ts;
					Answer(va[vc[j]]+1,vb[j]+1);
					Answer(va[vc[vd[vc[j]/2]]]+1,vb[vd[vc[j]/2]]+1);
					vis[va[vc[j]]]=1;
					vis[vb[j]]=1;
					vis[va[vc[vd[vc[j]/2]]]]=1;
					vis[vb[vd[vc[j]/2]]]=1;
				}
			}
			if(n&1){
				int p=-1;
				assert(!vis[va[n-1]]);
				Fi(j,n){
					if(!vis[vb[j]])p=vb[j];
				}
				Answer(va[n-1]+1,p+1);
			}
		}
		else{
			Fi(j,n){
				int ts=Query(vb[j]+1);
				if(ts!=s)vc[j]+=(((ll)(1-k))<<i);
				else vc[j]+=(((ll)(k))<<i);
				s=ts;
			}
		}
	}
	return;	
}

/*#ifdef LOCAL
signed main(){
	IOS();
	
	return 0;
}
#endif*/

• Subtask 1: 6 / 6
• Subtask 2: 25 / 25
• Subtask 3: 9 / 9
• Subtask 4: 30 / 30
• Subtask 5: 5 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 10