// C
#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif
// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif
#define va first
#define vb second
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
#define pp push_back
#define ep emplace_back
#define all(v) (v).begin(), (v).end()
#define szz(v) ((int)(v).size())
#define bi_pc __builtin_popcount
#define bi_pcll __builtin_popcountll
#define bi_tz __builtin_ctz
#define bi_tzll __builtin_ctzll
#define fio \
ios_base::sync_with_stdio(0); \
cin.tie(0);
#ifdef TAMREF
#define debug(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...) 42
#endif
using namespace std;
template <typename... Args>
void logger(string vars, Args &&...values)
{
cerr << vars << " = ";
string delim = "";
(..., (cerr << delim << values, delim = ", "));
cerr << '\n';
}
#ifdef TAMREF
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
#else
#define deb(...) 42
#endif
using ll = long long;
using lf = long double;
using pii = pair<int, int>;
using ppi = pair<int, pii>;
using pll = pair<ll, ll>;
using pff = pair<lf, lf>;
using ti = tuple<int, int, int>;
using base = complex<double>;
const lf PI = 3.14159265358979323846264338L;
template <typename T>
inline T umax(T &u, T v) { return u = max(u, v); }
template <typename T>
inline T umin(T &u, T v) { return u = min(u, v); }
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
map<lf, lf> score = {
{0.001, 15.1},
{0.005256, 51.1},
{0.011546, 94.9},
{0.028545, 191.5},
{0.039856, 246.3},
{0.068648,
366.2},
{0.104571,
490.3},
{0.158765, 639.1},
{0.2, 731.4}};
string ans;
int n, t, qnt, lqnt, mqnt;
lf p;
int query(string F)
{
++qnt;
++lqnt;
#ifndef TAMREF
cout << "Q " << F << '\n';
cout << flush;
#endif
int q = 0;
#ifdef TAMREF
for (int i = 0; i < n; i++)
q |= (ans[i] == '1') && (F[i] == '1');
#else
string S;
cin >> S;
q = (S == "P");
#endif
return q;
}
int query_seg(int i, int j)
{
debug("qseg %d %d\n", i, j);
if (i > j)
return 0;
string f(n, '0');
for (int k = i; k <= j; k++)
f[k] = '1';
return query(f);
}
int query_seg(pii x)
{
return query_seg(x.va, x.vb);
}
void answer(string F)
{
mqnt = max(mqnt, lqnt);
lqnt = 0;
#ifndef TAMREF
cout << "A " << F << '\n';
cout << flush;
#endif
#ifdef TAMREF
assert(ans == F);
#else
string C;
cin >> C;
assert(C == "C");
#endif
}
lf dp[1005], dp2[1005];
lf pows[1005] = {1.0};
pii opt[1005];
vector<pii> initial_segs;
void init()
{
if (t > 1 && initial_segs.empty())
{
for (int i = 1; i <= n; i++)
pows[i] = pow(1.0L - p, i);
for (int i = 2; i <= n; i++)
{
dp[i] = 10.L * i;
int sj = (i <= 20 ? 1 : 10);
for (int j = sj; j + j <= i; j++)
{
lf pdp = pows[j] * (1.L + dp[i - j]) + (1.L - pows[j]) * (1.L + dp[j] + 1.L + (1.L - pows[i - j]) * dp[i - j]);
if (pdp < dp[i])
{
debug("dp[%d] = %.3Lf <- pdp[%d] = %.3Lf\n", i, dp[i], j, pdp);
dp[i] = pdp;
opt[i] = pii(j, 0);
}
}
for (int j = 1; j + j <= i; j++)
{
lf pdp;
if (i % j == 0) {
pdp = (1.L + (1.L - pows[j]) * dp[j]) * (i / j);
} else {
pdp = (1.L + (1.L - pows[j]) * dp[j]) * (i / j) + (1.L + (1.L - pows[i % j]) * dp[i % j]);
}
if (pdp < dp[i])
{
dp[i] = pdp;
opt[i] = pii(j, 1);
}
}
}
debug("dp[%d] = %.3Lf\n", n, dp[n]);
initial_segs.emplace_back(0, n - 1);
}
#ifdef TAMREF
uniform_real_distribution<lf> d(0, 1);
ans = string(n, '0');
for (int i = 0; i < n; i++)
ans[i] = (d(rng) < p ? '1' : '0');
#endif
}
void run_det()
{
string ans(n, '0');
for (int i = 0; i < n; i++)
{
if (query_seg(i, i))
ans[i] = '1';
}
answer(ans);
}
void run()
{
debug("================\n");
string submit(n, '0');
deque<pii> segs;
for (auto &v : initial_segs)
{
//if (query_seg(v))
segs.emplace_back(v);
}
while (szz(segs))
{
pii sg = segs.front();
segs.pop_front();
if (sg.va == sg.vb)
{
submit[sg.va] = '1';
continue;
}
if (sg.va + 1 == sg.vb)
{
if (query_seg(sg.va, sg.va))
{
submit[sg.va] = '1';
if (query_seg(sg.vb, sg.vb))
{
debug("2 queries in length 2\n");
submit[sg.vb] = '1';
}
}
else
{
debug("1 query in length 2\n");
submit[sg.vb] = '1';
}
continue;
}
int len = sg.vb - sg.va + 1;
auto [m, kind] = opt[len];
debug("dp[%d] = %.3Lf, opt[%d] = (%d, %d)\n", len, dp[len], len, m, kind);
if (kind == 0)
{
pii lsg(sg.va, sg.va + m - 1), rsg(sg.va + m, sg.vb);
if (lsg.va <= lsg.vb && query_seg(lsg))
{
segs.push_back(lsg);
if (rsg.va <= rsg.vb && query_seg(rsg))
{
segs.push_back(rsg);
}
}
else
{
if (rsg.va <= rsg.vb)
{
segs.push_back(rsg);
}
}
}
else
{
assert(kind == 1);
int flag = 0;
for (int k = sg.va; k <= sg.vb; k += m)
{
pii p(k, min(k + m - 1, sg.vb));
int contains = 0;
if (p.vb == sg.vb && !flag)
{
contains = 1;
}
else
{
contains = query_seg(p);
}
flag |= contains;
if (contains)
{
segs.push_back(p);
}
}
}
}
debug("lqnt = %d\n", lqnt);
answer(submit);
}
int main()
{
cin >> n >> p >> t;
if (t == 1)
{
init();
run_det();
}
else
{
for (int j = 0; j < t; j++)
{
init();
run();
}
debug("average query: %.3Lf\n", lf(qnt) / t);
debug("max query: %d\n", mqnt);
debug("thres: %.3Lf", score.lower_bound(p - 1e-7)->vb);
}
}
Compilation message
Main.cpp: In function 'int query_seg(int, int)':
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:179:5: note: in expansion of macro 'debug'
179 | debug("qseg %d %d\n", i, j);
| ^~~~~
Main.cpp: In function 'void init()':
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:236:21: note: in expansion of macro 'debug'
236 | debug("dp[%d] = %.3Lf <- pdp[%d] = %.3Lf\n", i, dp[i], j, pdp);
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:259:9: note: in expansion of macro 'debug'
259 | debug("dp[%d] = %.3Lf\n", n, dp[n]);
| ^~~~~
Main.cpp: In function 'void run()':
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:287:5: note: in expansion of macro 'debug'
287 | debug("================\n");
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:315:21: note: in expansion of macro 'debug'
315 | debug("2 queries in length 2\n");
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:321:17: note: in expansion of macro 'debug'
321 | debug("1 query in length 2\n");
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:329:9: note: in expansion of macro 'debug'
329 | debug("dp[%d] = %.3Lf, opt[%d] = (%d, %d)\n", len, dp[len], len, m, kind);
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:382:5: note: in expansion of macro 'debug'
382 | debug("lqnt = %d\n", lqnt);
| ^~~~~
Main.cpp: In function 'int main()':
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:402:9: note: in expansion of macro 'debug'
402 | debug("average query: %.3Lf\n", lf(qnt) / t);
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:403:9: note: in expansion of macro 'debug'
403 | debug("max query: %d\n", mqnt);
| ^~~~~
Main.cpp:106:20: warning: statement has no effect [-Wunused-value]
106 | #define debug(...) 42
| ^~
Main.cpp:404:9: note: in expansion of macro 'debug'
404 | debug("thres: %.3Lf", score.lower_bound(p - 1e-7)->vb);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
344 KB |
Output is correct |
| 6 |
Correct |
5 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
7 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
340 KB |
Output is correct |
| 14 |
Correct |
5 ms |
344 KB |
Output is correct |
| 15 |
Correct |
3 ms |
344 KB |
Output is correct |
| 16 |
Correct |
6 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
5 ms |
600 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
