제출 #633579

#제출 시각아이디문제언어결과실행 시간메모리
633579Ahmed57Global Warming (NOI13_gw)C++14
19 / 40
1088 ms49128 KiB
#include <bits/stdc++.h> using namespace std; int n; int pre[2000005]; map<int,int> cmp; int main(){ cin>>n; int la = 2; set<int> s; int arr[n]; for(int i = 0;i<n;i++){ cin>>arr[i]; s.insert(arr[i]); } long long z = 1; for(auto i:s){ cmp[i] = ++z; } for(int i = 0;i<n;i++){ if(la<cmp[arr[i]]*2){ pre[la]++; pre[cmp[arr[i]]*2]--; } la = cmp[arr[i]]*2; } int ma = 0;la = 0; for(int i = 2;i<=z*2;i++){ la+=pre[i]; ma = max(ma,la); } cout<<ma<<"\n"; }
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