#include <bits/stdc++.h>
#include "dzilib.h"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
using namespace __gnu_pbds;
using namespace std;
#define pb push_back
#define st first
#define nd second
typedef long long ll;
typedef long double ld;
const ll I = 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL;
const ll M = 1000LL * 1000LL * 1000LL + 7LL;
const int N = 1000 * 1000 + 7;
int il[2 * N];
vector<int> grp[N], pos, nw;
void Sieve(int n)
{
for(int i = 1; i <= n; ++i)
{
for(int j = i; j <= n * 2; j += i)
++il[j];
grp[il[i]].pb(i);
}
}
void Solve(int n, int q)
{
int cur, i;
cur = Ask(0);
pos = grp[cur];
for(int i = 1; i <= q - 1 && pos.size() > 1; ++i)
{
cur = Ask(i);
for(int j = 0; j < (int)pos.size(); ++j)
if(il[pos[j] + i] == cur) nw.pb(pos[j]);
pos = nw;
nw.clear();
}
Answer(pos[0]);
}
int main()
{
//ios_base::sync_with_stdio(false);
//cin.tie(nullptr);
Sieve(N - 7);
int t, n, q, c;
t = GetT();
n = GetN();
q = GetQ();
c = GetC();
q /= t;
while(t--)
Solve(n, q);
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | #include <bits/stdc++.h> #include "dzilib.h" #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> using namespace __gnu_pbds; using namespace std; #define pb push_back #define st first #define nd second typedef long long ll; typedef long double ld; const ll I = 1000LL * 1000LL * 1000LL * 1000LL * 1000LL * 1000LL; const ll M = 1000LL * 1000LL * 1000LL + 7LL; const int N = 1000 * 1000 + 7; int il[2 * N]; vector<int> grp[N], pos, nw; void Sieve(int n) { for(int i = 1; i <= n; ++i) { for(int j = i; j <= n * 2; j += i) ++il[j]; grp[il[i]].pb(i); } } void Solve(int n, int q) { int cur, i; cur = Ask(0); pos = grp[cur]; for(int i = 1; i <= q - 1 && pos.size() > 1; ++i) { cur = Ask(i); for(int j = 0; j < (int)pos.size(); ++j) if(il[pos[j] + i] == cur) nw.pb(pos[j]); pos = nw; nw.clear(); } Answer(pos[0]); } int main() { //ios_base::sync_with_stdio(false); //cin.tie(nullptr); Sieve(N - 7); int t, n, q, c; t = GetT(); n = GetN(); q = GetQ(); c = GetC(); q /= t; while(t--) Solve(n, q); return 0; } |
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