제출 #172707

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172707		khohko	Employment (JOI16_employment)	C++17	0 / 100	27 ms	504 KiB

employment

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ARRS ((ll)(4e5+100))
#define fr first
#define sc second
#define pb push_back
#define MX ((ll)(1e9+100))
#define MAX ((ll)(1e18+100))


int n,q;
int a[ARRS];
int up[ARRS];
int type[ARRS];
pair<int, int> compress[ARRS];

int fw[2*ARRS];
int quer(int idx){
	int pas=0;
	for(;idx;idx-=idx&-idx)
		pas+=fw[idx];
	return pas;
}

void updt(int idx, int val){
	for(;idx<ARRS;idx+=idx&-idx)
		fw[idx]+=val;
}

void update_quer(int i, int k){
	if(i&&a[i-1]>a[i]){
		updt(a[i]+1, k);
		updt(a[i-1]+1, -k);
		//cout<<( a[i]+1 )<<" "<<a[i-1]<<" "<<k<<endl;
	}
}

int main(){
	cin>>n>>q;
	for(int i=0; i<n; i++){
		cin>>a[i];
		compress[i]={a[i],i};
	}
	a[n]=0;
	compress[n]={a[n],n};
	n++;
	for(int i=n; i<n+q; i++){
		cin>>type[i];
		if(type[i] == 1){//query
			cin>>a[i];
		}
		else {//update
			cin>>up[i]>>a[i];
			up[i]--;
		}
		compress[i]={a[i],i};
	}
	sort(compress, compress+n+q);
	ll c=1;
	for(int i=0; i<n+q; i++){
		if(i&&compress[i].fr!=compress[i-1].fr)
			c++;
		a[compress[i].sc]=c;
	}
	for(int i=0; i<n+q; i++){
		cout<<a[i]<<endl;
	}
	cout<<endl;
	for(int i=0; i<n; i++)
		update_quer(i, 1);
	for(int i=n; i<n+q; i++){
		if(type[i] == 1){
			cout<<quer(a[i])<<endl;
		}
		else {
			update_quer(up[i], -1);
			update_quer(up[i]+1, -1);
			a[up[i]]=a[i];
			update_quer(up[i], 1);
			update_quer(up[i]+1, 1);
		}
	}

}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60