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Cod sursa(job #216993)
#include <cstdio>
#include <algorithm>
using namespace std;
const int MAX_N = 100010;
const int MOD = 666013;
struct query{
int x, y;
int loc;
int rez;
};
int n, k, m;
int a[MAX_N], last[MAX_N];
int aib[MAX_N];
query d[MAX_N];
inline int cmp(query a, query b) {
return a.y < b.y;
}
inline int cmp2(query a, query b) {
return a.loc < b.loc;
}
void update(int x, int y) {
while (x <= n) {
aib[x] += y;
aib[x] %= MOD;
x += x ^ (x - 1) & x;
}
}
int query(int x) {
int val = 0;
while (x) {
val += aib[x];
val %= MOD;
x &= x - 1;
}
return val;
}
int main()
{
int i;
freopen("distincte.in", "r", stdin);
freopen("distincte.out", "w", stdout);
scanf("%d %d %d", &n, &k, &m);
for (i = 1; i <= n; ++i) scanf("%d", &a[i]);
for (i = 1; i <= m; ++i) {
scanf("%d %d", &d[i].x, &d[i].y);
d[i].loc = i;
}
sort(d + 1, d + m + 1, cmp);
int j = 1;
for (i = 1; i <= n; ++i) {
update(i, a[i]);
if (last[a[i]] > 0)
update(last[a[i]], -a[i]);
last[a[i]] = i;
while (i == d[j].y)
d[j++].rez = (query(d[j].y) + MOD) - query(d[j].x - 1);
}
sort(d + 1, d + m + 1, cmp2);
for (i = 1; i <= m; ++i)
printf("%d\n", d[i].rez % MOD);
}