Submission #941645

#	Time	Username	Problem	Language	Result	Execution time	Memory
941645		blacktulip	Deda (COCI17_deda)	C++17	60 / 140	70 ms	47300 KiB

deda

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;

#define fi first
#define se second
#define endl "\n"
//~ #define int long long
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
#define _ << " " <<

const lo inf = 1000000001;
const lo li = 200005;
const lo mod = 1000000007;

int n,m,k,flag,t,x[li],y[li];
int cev;
char c[li];
string s;
vector<int> vec;
set<int> st[li*2];

inline void update(int node,int start,int end,int l,int r,int x){
	if(start>end || start>r || end<l)return ;
	st[node].insert(x);
	if(start>=l && end<=r){return ;}
	update(node*2,start,mid,l,r,x),update(node*2+1,mid+1,end,l,r,x);
}

inline void query(int node,int start,int end,int l,int r,int x){
	if(start>end || start>r || end<l)return ;
	if(start>=l && end<=r){
		auto it=st[node].lower_bound(x);
		if(it!=st[node].end())cev=min(cev,*it);
		return ;
	}
	query(node*2,start,mid,l,r,x),query(node*2+1,mid+1,end,l,r,x);
}

int main(void){
	fio();
	cin>>n>>t;
	for(int i=1;i<=t;i++){
		cin>>c[i]>>x[i]>>y[i];
		vec.pb(x[i]);
	}
	sort(vec.begin(),vec.end());
	for(int i=1;i<=t;i++){
		x[i]=lower_bound(vec.begin(),vec.end(),x[i])-vec.begin()+1;
		//~ cout<<i _ x[i]<<endl;
		if(c[i]=='M'){
			update(1,1,t,x[i],x[i],y[i]);
		}
		else{
			cev=inf;
			query(1,1,t,1,x[i],y[i]);
			if(cev==inf)cev=-1;
			cout<<cev<<endl;
		}
	}
	return 0;
}

• Subtask 1: 60 / 140