Submission #992688

#	Time	Username	Problem	Language	Result	Execution time	Memory
992688		ezzzay	Pairs (IOI07_pairs)	C++14	37 / 100	4062 ms	2764 KiB

pairs

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define int long long
const int N=3e5+5;
void sbtsk1(int N, int D , int M){
	vector<int>v;
	for(int i=0;i<N;i++){
		int a;
		cin>>a;
		v.pb(a);
	}
	sort(v.begin(),v.end());
	int cnt=0;
	for(auto i=v.begin();i!=v.end();i++){
		int a=*i;
		auto it= upper_bound(v.begin(),v.end(),a-D-1);
		cnt+= i-it;
	}
	cout<<cnt;
}
void sbtsk2(int N, int D , int M){
	vector<pair<int,int>>v;
	for(int i=0;i<N;i++){
		int x,y;
		cin>>x>>y;
		v.pb({x,y});
	}
	int cnt=0;
	for(int i=0;i<N;i++){
		for(int j=i+1;j<N;j++){
			int d=abs(v[i].ff-v[j].ff)+abs(v[i].ss-v[j].ss);
			if(d<=D)cnt++;
		}
	}
	cout<<cnt;
}
signed main(){
    int B,N,D,M;
    cin>>B>>N>>D>>M;
    if(B==1){
    	sbtsk1(N,D,M);
    	return 0;
	}
	if(B==2){
		sbtsk2(N,D,M);
		return 0;
	}
}

• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 6 / 6
• Subtask 4: 6 / 6
• Subtask 5: 6 / 6
• Subtask 6: 7 / 7
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8
• Subtask 9: 0 / 8
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10
• Subtask 12: 0 / 10
• Subtask 13: 0 / 10