Cod sursa(job #2893360)

Utilizator 100pCiornei Stefan 100p Data 25 aprilie 2022 20:08:04
Problema Distincte Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 4.29 kb
#include <bits/stdc++.h>
#define ull unsigned long long
#define FILES freopen("distincte.in","r",stdin);\
              freopen("distincte.out","w",stdout);
#define CMAX 15485863
#define fastio std::ios_base::sync_with_stdio(NULL),cin.tie(NULL),cout.tie(NULL);
#define mp make_pair
#define INF 1e18
#define mod 666013
#define ll long long
#define SMAX 300
#define MAX 100000
#define pb push_back
#define add emplace_back
#define void inline void
using namespace std;

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;
	}

	InParser& operator >> (long long &n) {
		char c;
		n = 0;
		while (!isdigit(c = read_ch()) && c != '-');
		long long 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;
	}
};

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;
    }
};
struct solve
{
    int first, second, third;
};
int n,k,m,sqr,fr[MAX+5],v[MAX+5],ANS[MAX+5];
ll ans;
solve q[MAX+5];
inline bool cmp(solve a,solve b)
{
    if(a.first / sqr != b.first / sqr)
        return a.first / sqr < b.first / sqr;
    int z = a.first / sqr;
     if(z & 1) return a.second < b.second;
    else return a.second > b.second;
}
void read(int &a)
{
    a = 0;
    char c;
    while(1)
    {
        c = getchar();
        if(c < '0' || c > '9')
            break;
        a = a * 10 + c - '0';
    }
}
int main()
{
    fastio
    FILES
    read(n),read(k),read(m);
    sqr = sqrt(n);
    for(int i = 1; i <= n; ++i)
        read(v[i]);
    for(int i = 0; i < m; ++i)
    {
        read(q[i].first), read(q[i].second);
        q[i].third = i + 1;
    }
    sort(q,q+m,cmp);
    for(int i = q[0].first;i <= q[0].second; ++i)
    {
        if(!fr[v[i]]) ans += v[i];
        fr[v[i]]++;
    }
    ANS[q[0].third] = ans % mod;
    int j = 1, x = q[0].first, y = q[0].second;
    while(j < m)
    {
        while(x > q[j].first)
        {
            x--;
            if(!fr[v[x]]) ans += v[x];
            fr[v[x]]++;
        }
        while(x < q[j].first)
        {
            fr[v[x]]--;
            if(!fr[v[x]]) ans -= v[x];
            x++;
        }
        while(y < q[j].second)
        {
            y++;
            if(!fr[v[y]]) ans += v[y];
            fr[v[y]]++;
        }
        while(y > q[j].second)
        {
            fr[v[y]]--;
            if(!fr[v[y]]) ans -= v[y];
            y--;
        }
        ANS[q[j].third] = ans % mod;
        j++;
    }
    for(int i = 1;i <= m; ++i)
        cout << ANS[i] << '\n';
}