제출 #1133542

#제출 시각아이디문제언어결과실행 시간메모리
1133542MunkhturErdenebatAdvertisement 2 (JOI23_ho_t2)C++20
100 / 100
298 ms8248 KiB
#include<bits/stdc++.h> #include<string.h> #include <algorithm> #include <stdlib.h> #define ll long long using namespace std; ll a,b,c,d,e,f,m,i,j,n,h,g,l,r,ka,p,q,t[500005]; map<ll,ll> maa,mii,mee; vector<ll> vj,vo,vi; pair<ll,ll> k[500005]; int main(){ cin>>a; for(i=0 ; i<a ; i++){ cin>>b>>c; k[i].first=-b-c; k[i].second=b-c; } sort(k,k+a); h=0; g=9999999999999; for(i=0 ; i<a ; i++){ if(k[i].second<g){ h++; g=k[i].second; } } cout<<h<<endl; }
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