Pagini recente » Cod sursa (job #730368) | Cod sursa (job #2547881) | Sandbox (cutiuţa cu năsip) | Istoria paginii runda/pre___oji___2018/clasament | Cod sursa (job #2106659)
#include <cstdio>
#include <fstream>
#include <algorithm>
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;
}
};
int n, k, m;
int a[100005], p[100005], y[100005], x[100005], ans[100005], aib[100005];
struct query{
int i, j, p;
bool operator < (const query &aux)const{
if(j != aux.j) return j < aux.j;
return i < aux.i;
}
};
query q[100005];
const int MOD = 666013;
inline bool cmp(int i, int j){
return y[i] < y[j];
}
inline void U(int p, int val){
for(int i = p; i <= n ; i = i + (i & (-i))){
aib[i] += val;
if(aib[i] >= MOD) aib[i] -= MOD;
}
}
inline int Q(int p){
int Sol = 0;
for(int i = p; i >= 1 ; i = i - (i & (-i))){
Sol = Sol + aib[i];
if(Sol >= MOD) Sol -= MOD;
}
return Sol;
}
int main()
{
InParser fin("distincte.in");
freopen("distincte.out", "w", stdout);
fin >> n >> k >> m;
for(int i = 1; i <= n ; ++i)
fin >> a[i], p[a[i]] = n + 1;
for(int i = n; i >= 1 ; --i){
x[i] = i;
y[i] = p[a[i]];
p[a[i]] = i;
}
sort(x + 1, x + n + 1, cmp);
for(int i = 1; i <= m ; ++i)
fin >> q[i].i >> q[i].j, q[i].p = i;
sort(q + 1, q + m + 1);
int i = n;
for(int t = m; t >= 1 ; --t){
while(y[x[i]] > q[t].j) U(x[i], a[x[i]]), --i;
int Sol = Q(q[t].j) - Q(q[t].i - 1);
if(Sol < 0) Sol += MOD;
ans[q[t].p] = Sol;
}
for(int i = 1; i <= m ; ++i)
printf("%d\n", ans[i]);
return 0;
}