#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#include "toxic.h"
using namespace std;
/*
int query_sample(vector<int> &a){
cout<<"? ";
REP(i, SZ(a)) cout<<a[i]<<' ';
cout<<endl<<flush;
int in; cin>>in;
return in;
}
void answer_type(int a, char c){
cout<<a<<' '<<c<<endl<<flush;
}
*/
void determine_type(int n){
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int ret;
vector<int> ids;
REP1(i, n) ids.pb(i);
shuffle(ALL(ids), rng);
vector<int> qq;
vector<int> dai; // match with T at the very end
int tid = -1, cnt = 0;
while(SZ(ids)){
if (cnt == 30){
while(SZ(ids)){
dai.pb(ids.back());
ids.pop_back();
}
break;
}
shuffle(ALL(ids), rng);
vector<int> tmp;
int rl = 0; // real id
while(SZ(tmp) < 8 && SZ(ids) > 0){
rl++;
tmp.pb(ids.back());
ids.pop_back();
}
while(SZ(tmp) < 8 && SZ(dai) > 0){
tmp.pb(dai.back());
dai.pop_back();
}
REP(i, SZ(tmp)){
REP(j, (1<<i)){
qq.pb(tmp[i]);
}
}
ret = query_sample(qq);
qq.clear();
if (ret == (1<<SZ(tmp))-1){
REP(j, SZ(tmp)) dai.pb(tmp[j]);
continue;
}
vector<int> tmp2;
REP(i, SZ(tmp)){
if (i < rl){
if ((1<<i)&ret){
answer_type(tmp[i], 'S');
}
else tmp2.pb(tmp[i]);
}
else {
if ((1<<i)&ret){
answer_type(tmp[i], 'S');
}
else answer_type(tmp[i], 'R');
}
}
int mid;
while(SZ(tmp2) > 1){
mid = SZ(tmp2)/2;
vector<int> toad;
REP(i, mid) toad.pb(tmp2[i]);
while(SZ(toad) < 8 && SZ(dai) > 0){
toad.pb(dai.back());
dai.pop_back();
}
REP(i, SZ(toad)){
REP(j, (1<<i)) qq.pb(toad[i]);
}
ret = query_sample(qq);
qq.clear();
/*FOR(i, mid, SZ(toad)){
if (ret & (1<<i)){
answer_type(toad[i], 'S');
ret -= (1<<i);
}
else answer_type(toad[i], 'R');
}
*/
if (ret != (1<<SZ(toad))-1){ // T exists in the prefix
FOR(i, mid, SZ(tmp2)){
ids.pb(tmp2[i]);
}
while(SZ(tmp2) > mid) tmp2.pop_back();
FOR(i, mid, SZ(toad)){
if (ret & (1<<i)){
answer_type(toad[i], 'S');
ret -= (1<<i);
}
else answer_type(toad[i], 'R');
}
}
else {
REP(i, mid){
answer_type(tmp2[i], 'R');
}
tmp2.erase(tmp2.begin(), tmp2.begin()+mid);
FOR(i, mid, SZ(toad)){
dai.pb(toad[i]);
}
}
}
// use tmp2 from now on
assert(SZ(tmp2) == 1);
tid = tmp2[0];
answer_type(tmp2[0], 'T');
cnt++;
/*REP(i, mid){
answer_type(tmp2[i], 'R');
}
answer_type(tmp2[mid], 'T');
cnt++;
tid = tmp2[mid];
FOR(i, mid+1, SZ(tmp2)){
ids.pb(tmp2[i]);
}
*/
}
for (int i = 0; i < SZ(dai); i += 8){
int ci = i;
vector<int> tmp;
while(SZ(tmp) < 8 && ci < SZ(dai)){
REP(j, (1<<(ci-i))){
qq.pb(dai[ci]);
}
tmp.pb(dai[ci]);
ci++;
}
qq.pb(tid);
ret = query_sample(qq);
qq.clear();
REP(j, SZ(tmp)){
if ((1<<j)&ret) answer_type(tmp[j], 'S');
else answer_type(tmp[j], 'R');
}
}
}
/*
signed main(){
determine_type(4);
}
*/
// ~270/x * (log2(x)+1) + 30*(log2(x)+1)
// ~270/x + (log2(x)+1)*30 - random chances to deduct more from top + remaining ranges need matching
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
16 ms |
348 KB |
Output is correct |
| 3 |
Correct |
19 ms |
496 KB |
Output is correct |
| 4 |
Correct |
16 ms |
348 KB |
Output is correct |
| 5 |
Correct |
21 ms |
348 KB |
Output is correct |
| 6 |
Correct |
18 ms |
348 KB |
Output is correct |
| 7 |
Correct |
18 ms |
348 KB |
Output is correct |
| 8 |
Correct |
19 ms |
348 KB |
Output is correct |
| 9 |
Correct |
18 ms |
348 KB |
Output is correct |
| 10 |
Correct |
17 ms |
504 KB |
Output is correct |
| 11 |
Correct |
16 ms |
348 KB |
Output is correct |
| 12 |
Correct |
16 ms |
348 KB |
Output is correct |
| 13 |
Correct |
16 ms |
348 KB |
Output is correct |
| 14 |
Correct |
18 ms |
604 KB |
Output is correct |
| 15 |
Correct |
18 ms |
348 KB |
Output is correct |
| 16 |
Correct |
22 ms |
348 KB |
Output is correct |
| 17 |
Correct |
19 ms |
504 KB |
Output is correct |
| 18 |
Correct |
18 ms |
348 KB |
Output is correct |
| 19 |
Correct |
18 ms |
348 KB |
Output is correct |
| 20 |
Correct |
18 ms |
344 KB |
Output is correct |
| 21 |
Correct |
15 ms |
348 KB |
Output is correct |
| 22 |
Correct |
13 ms |
500 KB |
Output is correct |
| 23 |
Correct |
12 ms |
348 KB |
Output is correct |
| 24 |
Correct |
19 ms |
604 KB |
Output is correct |
| 25 |
Correct |
16 ms |
348 KB |
Output is correct |
| 26 |
Correct |
16 ms |
500 KB |
Output is correct |
| 27 |
Correct |
16 ms |
348 KB |
Output is correct |
| 28 |
Correct |
14 ms |
548 KB |
Output is correct |
| 29 |
Correct |
18 ms |
344 KB |
Output is correct |
| 30 |
Correct |
18 ms |
348 KB |
Output is correct |
| 31 |
Correct |
18 ms |
504 KB |
Output is correct |
| 32 |
Correct |
19 ms |
348 KB |
Output is correct |
| 33 |
Correct |
15 ms |
504 KB |
Output is correct |
| 34 |
Correct |
19 ms |
600 KB |
Output is correct |
| 35 |
Correct |
18 ms |
344 KB |
Output is correct |
| 36 |
Correct |
3 ms |
348 KB |
Output is correct |
