Cod sursa(job #2876061)

Utilizator cristia_razvanCristia Razvan cristia_razvan Data 22 martie 2022 21:50:50
Problema Curcubeu Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 2.14 kb
#include <bits/stdc++.h>
using namespace std;

#define pb push_back

#define dbg(x) cout << #x <<": " << x << "\n";
using ll = long long;

const string fn = "curcubeu";
ifstream fin(fn + ".in");
// ofstream fout(fn + ".out");

class OutParser {
private:
	FILE *fout;
	char *buff;
	int sp;

	void write_ch(char ch) {
		if (sp == 50000) {
			fwrite(buff, 1, 50000, fout);
			sp = 0;
			buff[sp++] = ch;
		} else {
			buff[sp++] = ch;
		}
	}


public:
	OutParser(const char* name) {
		fout = fopen(name, "w");
		buff = new char[50000]();
		sp = 0;
	}
	~OutParser() {
		fwrite(buff, 1, sp, fout);
		fclose(fout);
	}

	OutParser& operator << (int vu32) {
		if (vu32 <= 9) {
			write_ch(vu32 + '0');
		} else {
			(*this) << (vu32 / 10);
			write_ch(vu32 % 10 + '0');
		}
		return *this;
	}

	OutParser& operator << (long long vu64) {
		if (vu64 <= 9) {
			write_ch(vu64 + '0');
		} else {
			(*this) << (vu64 / 10);
			write_ch(vu64 % 10 + '0');
		}
		return *this;
	}

	OutParser& operator << (char ch) {
		write_ch(ch);
		return *this;
	}
	OutParser& operator << (const char *ch) {
		while (*ch) {
			write_ch(*ch);
			++ch;
		}
		return *this;
	}
};

OutParser fout("curcubeu.out");

const int x = 5;

int a[1000005], b[1000005], c[1000005];
int nxt[1000005], color[1000005];
int n;

int findd(int x) {
	int r = x, y;
	while (r < n && color[nxt[r]] != 0)
		r = nxt[r];
	r = nxt[r];

	while (x < n && color[nxt[x]]) {
		y = nxt[x];
		nxt[x] = r;
		x = y;
	}
	return r;

}

int main() {

	fin >> n >> a[1] >> b[1] >> c[1];

	if (a[1] > b[1]) swap(a[1], b[1]);

	for (int i = 2; i <= n - 1; ++i) {
		a[i] = (1LL * a[i - 1] * i) % n;
		b[i] = (1LL * b[i - 1] * i) % n;
		c[i] = (1LL * c[i - 1] * i) % n;
		if (a[i] > b[i]) swap(a[i], b[i]);
	}

	for (int i = 1; i < n; ++i)
		nxt[i] = i + 1;
	color[n] = 0;

	for (int p = n - 1; p >= 1; --p) {

		int A = a[p];
		int B = b[p];
		int C = c[p];
		int i = A;
		while (color[i] && i <= B) i = findd(i);
		for (; i <= B; i = findd(i))
			color[i] = C;
	}

	for (int i = 1; i < n; ++i)
		fout << color[i] << "\n";

	return 0;
}