제출 #84334

#제출 시각아이디문제언어결과실행 시간메모리
84334zoooma13Baloni (COCI15_baloni)C++14
0 / 100
1935 ms132096 KiB
#include <bits/stdc++.h>
using namespace std;

#define MAX_N 1000006

int GIR; char GIC;
inline int GI() {
	GIR = 0 ,GIC = getchar();
	while(GIC < '0' || '9' < GIC)
		GIC = getchar();
	while('0' <= GIC && GIC <= '9') {
		GIR = (GIR * 10) + (GIC - '0');
		GIC = getchar();
	}
	return GIR;
}

int N ,A;
set <int> ss[MAX_N];
multiset <int> ms;

int main()
{
    N = GI(); assert(N < MAX_N);
    for(int i=0; i<N; i++)
    {
        A = GI();
        ss[A].insert(i);
        ms.insert(A);
    }

    int Ans = 0;

    set<int>::iterator it;
    while(!ms.empty())
    {
        int i = *prev(ms.end());
        int j = -1;

        while(true)
        {
            it = ss[i].upper_bound(j);
            if(it == ss[i].end())
                break;

            j = *it;
            ms.erase(i);
            ss[i].erase(it);
            i--;
        }

        Ans++;
    }

    cout << Ans << endl;
}
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