Cod sursa(job #2720025)

Utilizator TheGodFather2131Alexandru Miclea TheGodFather2131 Data 10 martie 2021 15:28:29
Problema Secventa Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.96 kb
//ALEXANDRU MICLEA

#include <vector>
#include <algorithm>
#include <string>
#include <string.h>
#include <cstring>
#include <queue>
#include <map>
#include <set>
#include <unordered_map>
#include <time.h>
#include <iomanip>
#include <deque>
#include <math.h>
#include <cmath>
#include <assert.h>
#include <stack>
#include <bitset>
#include <random>
#include <chrono>
#include <assert.h>
#include <iostream>

using namespace std;
using ll = long long;

#define fast_cin() 	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)

//VARIABLES

deque <int> q;
int ans = 0;
int v[500005];

//FUNCTIONS

class InParser {
private:
    FILE* fin;
    char* buff;
    int sp;
    char read_ch() {
        ++sp;
        if (sp == 4096) {
            sp = 0;
            fread(buff, 1, 4096, fin);
        }
        return buff[sp];
    }
public:
    InParser(const char* nume) {
        fin = fopen(nume, "r");
        buff = new char[4096]();
        sp = 4095;
    }
    InParser& operator >> (int& n) {
        char c;
        while (!isdigit(c = read_ch()) && c != '-');
        int sgn = 1;
        if (c == '-') {
            n = 0;
            sgn = -1;
        }
        else {
            n = c - '0';
        }
        while (isdigit(c = read_ch())) {
            n = 10 * n + c - '0';
        }
        n *= sgn;
        return *this;
    }
};

//MAIN
int main() {

	#ifdef INFOARENA
        InParser("secventa.in", "r", stdin);
		freopen("secventa.out", "w", stdout);
	#endif

	int n, k; cin >> n >> k;
	int x = 0, y = 0;
	int ans = -500005;

	for (int i = 1; i <= n; i++) cin >> v[i];

	for (int i = 1; i <= n; i++) {
		while (!q.empty() && v[q.back()] > v[i]) q.pop_back();
		q.push_back(i);
		while (!q.empty() && q.front() + k <= i) q.pop_front();

		if (!(k > i) && ans < v[q.front()]) {
			ans = v[q.front()];
			x = i - k + 1;
			y = i;
		}
	}

	cout << x << ' ' << y << ' ' << ans;

	return 0;
}