Submission #916788

#	Time	Username	Problem	Language	Result	Execution time	Memory
916788		MilosMilutinovic	Sweeping (JOI20_sweeping)	C++14	1 / 100	18050 ms	14172 KiB

sweeping

#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n,m,q;
int x[1500005],y[1500005];

int main(){
	n=readint();
	m=readint();
	q=readint();
	for(int i=1;i<=m;i++){
		x[i]=readint();
		y[i]=readint();
	}
	while(q--){
		int t=readint();
		if(t==1){
			int i=readint();
			printf("%d %d\n",x[i],y[i]);
		}
		if(t==2){
			int l=readint();
			for(int i=1;i<=m;i++){
				if(x[i]<=n-l&&y[i]<=l) x[i]=n-l;
			}
		}
		if(t==3){
			int l=readint();
			for(int i=1;i<=m;i++){
				if(x[i]<=l&&y[i]<=n-l) y[i]=n-l;
			}
		}
		if(t==4){
			++m;
			x[m]=readint();
			y[m]=readint();
		}
	}
	return 0;
}

• Subtask 1: 1 / 1
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25