제출 #431974

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
431974		vulpes2	Financial Report (JOI21_financial)	C++17	12 / 100	52 ms	5512 KiB

Main

//#include <atcoder/maxflow.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
 

#include <iostream>
#include <map>
#include <list>
#include <set>
#include <algorithm>
#include <vector>
#include <string>
#include <functional>
#include <queue>
#include <deque>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <iterator>
#include <random>
#include <chrono>
#include <complex>
#include <bitset>
#include <fstream>
 
 
#define forr(i,start,count) for (int i = (start); i < (start)+(count); ++i)
#define set_map_includes(set, elt) (set.find((elt)) != set.end())
#define readint(i) int i; cin >> i
#define readll(i) ll i; cin >> i
#define readdouble(i) double i; cin >> i
#define readstring(s) string s; cin >> s

typedef long long ll;

 
//using namespace __gnu_pbds;
//using namespace atcoder;
using namespace std;

const ll modd = (1000LL * 1000LL * 1000LL + 7LL);
//const ll modd = 998244353;


int main(int argc, char *argv[])   {

    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    uniform_int_distribution<int> rand_gen(0, modd);   // rand_gen(rng) gets the rand no

    ios_base::sync_with_stdio(false);
    cin.tie(0);
 
    cout.precision(12);

//    readint(test_cases);
    int test_cases = 1;
    forr(t, 1, test_cases) {
        readint(n); readint(d);
        vector<int> a;
        forr(i,0,n) {
            readint(aa); a.push_back(aa);
        }

        int res = 1;

        if (d==1) {
            deque<int> vals;
            vals.push_back(a.back());
            for(int i = n-2; i >= 0; --i) {
                while ((!vals.empty()) && (vals.front()<=a[i])) {  vals.pop_front();  }
                vals.push_front(a[i]);
                res = max(res, (int)vals.size());
            }
        }
        cout << res << endl;

    }

    return 0;
}

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