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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#373737 | #5556. Diabolic Doofenshmirtz | kevinyang# | WA | 1ms | 3844kb | C++20 | 7.6kb | 2024-04-02 03:04:21 | 2024-04-02 03:04:22 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
/* Macros {{{ */
/* A lot of this is from some of Benq's submissions
[https://codeforces.com/profile/Benq]
Ugly af to the eyes, but with vim fold its barable
Hopefully c++20 concepts can make all this stuff must cleaner */
/* Basics {{{ */
using ll = long long;
using ld = long double;
using str = string;
using pi = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;
#define mp make_pair
#define fi first
#define se second
#define arr array
#define ve vector
using vi = vector<int>;
using vll = vector<ll>;
using vld = vector<ld>;
using vpi = vector<pi>;
using vpll = vector<pll>;
using vpld = vector<pld>;
using vvi = vector<vi>;
using vvll = vector<vll>;
using vvld = vector<vld>;
using vvpi = vector<vpi>;
using vvpll = vector<vpll>;
using vvpld = vector<vpld>;
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define sz size()
#define rsz(a) resize(a)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define For(i, a, b) for (int i = a; i < b; ++i)
#define Rof(i, a, b) for (int i = (b)-1; i >= (a); --i)
#define rep(a) For(_, 0, a)
#define each(a, x) for (auto &a : x)
#define reach(a, x) for (auto a = x.rbegin(); a != x.rend(); ++a)
template <typename T, typename U>
inline void cmin(T &x, U y) {
if (y < x) x = y;
}
template <typename T, typename U>
inline void cmax(T &x, U y) {
if (x < y) x = y;
}
/*}}}*/
/* IO {{{ */
/* Template Macros {{{ */
#define tcT template <class T
#define tcTU tcT, class U
#define tcTUU tcT, class... U
/*}}}*/
inline namespace Helpers { /*{{{*/
tcT, class = void > struct is_iterable : false_type {};
tcT > struct is_iterable<
T, void_t<decltype(begin(declval<T>())), decltype(end(declval<T>()))>>
: true_type {};
tcT > constexpr bool is_iterable_v = is_iterable<T>::value;
tcT, class = void > struct is_readable : false_type {};
tcT > struct is_readable<T, typename std::enable_if_t<is_same_v<
decltype(cin >> declval<T &>()), istream &>>>
: true_type {};
tcT > constexpr bool is_readable_v = is_readable<T>::value;
tcT, class = void > struct is_printable : false_type {};
tcT > struct is_printable<T, typename std::enable_if_t<is_same_v<
decltype(cout << declval<T>()), ostream &>>>
: true_type {};
tcT > constexpr bool is_printable_v = is_printable<T>::value;
} /* namespace Helpers */
/*}}}*/
inline namespace Input { /*{{{*/
tcT > constexpr bool needs_input_v = !is_readable_v<T> && is_iterable_v<T>;
tcTUU > void re(T &t, U &...u);
tcTU > void re(pair<T, U> &p); /* pairs */
/* re: read{{{ */
tcT > typename enable_if<is_readable_v<T>, void>::type re(T &x) {
cin >> x;
} /* default */
tcT > typename enable_if<needs_input_v<T>, void>::type re(
T &i); // vectors, arrays, etc...
tcTU > void re(pair<T, U> &p) { re(p.fi, p.se); } // pairs
tcT > typename enable_if<needs_input_v<T>, void>::type re(T &i) {
each(x, i) re(x);
}
tcTUU > void re(T &t, U &...u) {
re(t);
re(u...);
} /* read multiple}}} */
/* rv: resize and read vectors{{{ */
void rv(size_t) {}
tcTUU > void rv(size_t N, ve<T> &t, U &...u);
template <class... U>
void rv(size_t, size_t N2, U &...u);
tcTUU > void rv(size_t N, ve<T> &t, U &...u) {
t.rsz(N);
re(t);
rv(N, u...);
}
template <class... U>
void rv(size_t, size_t N2, U &...u) {
rv(N2, u...);
} /*}}}*/
/* dumb shortcuts to read in ints{{{ */
void decrement() {} /* subtract one from each */
tcTUU > void decrement(T &t, U &...u) {
--t;
decrement(u...);
}
#define ints(...) \
int __VA_ARGS__; \
re(__VA_ARGS__);
#define int1(...) \
ints(__VA_ARGS__); \
decrement(__VA_ARGS__); /*}}}*/
} /* namespace Input */
/*}}}*/
inline namespace ToString { /*{{{*/
tcT > constexpr bool needs_output_v = !is_printable_v<T> && is_iterable_v<T>;
/* ts: string representation to print */
tcT > typename enable_if<is_printable_v<T>, str>::type ts(T v) {
stringstream ss;
ss << fixed << setprecision(15) << v;
return ss.str();
} /* default */
tcT > str bit_vec(T t) { /* bit vector to string */
str res = "{";
For(i, 0, t.sz) res += ts(t[i]);
res += "}";
return res;
}
str ts(ve<bool> v) { return bit_vec(v); }
template <size_t SZ>
str ts(bitset<SZ> b) {
return bit_vec(b);
} /* bit vector */
tcTU > str ts(pair<T, U> p); /* pairs */
tcT > typename enable_if<needs_output_v<T>, str>::type ts(
T v); /* vectors, arrays */
tcTU > str ts(pair<T, U> p) { return "(" + ts(p.fi) + ", " + ts(p.se) + ")"; }
tcT > typename enable_if<is_iterable_v<T>, str>::type ts_sep(T v, str sep) {
/* convert container to string w/ separator sep */
bool fst = 1;
str res = "";
for (const auto &x : v) {
if (!fst) res += sep;
fst = 0;
res += ts(x);
}
return res;
}
tcT > typename enable_if<needs_output_v<T>, str>::type ts(T v) {
return "{" + ts_sep(v, ", ") + "}";
}
/* for nested DS */
template <int, class T>
typename enable_if<!needs_output_v<T>, ve<str>>::type ts_lev(const T &v) {
return {ts(v)};
}
template <int lev, class T>
typename enable_if<needs_output_v<T>, ve<str>>::type ts_lev(const T &v) {
if (lev == 0 || !v.sz) return {ts(v)};
ve<str> res;
for (const auto &t : v) {
if (res.sz) res.back() += ",";
ve<str> tmp = ts_lev<lev - 1>(t);
res.insert(end(res), all(tmp));
}
For(i, 0, res.sz) {
str bef = " ";
if (i == 0) bef = "{";
res[i] = bef + res[i];
}
res.back() += "}";
return res;
}
} /* namespace ToString */
/*}}}*/
inline namespace Output { /*{{{*/
template <class T>
void pr_sep(ostream &os, str, const T &t) {
os << ts(t);
}
template <class T, class... U>
void pr_sep(ostream &os, str sep, const T &t, const U &...u) {
pr_sep(os, sep, t);
os << sep;
pr_sep(os, sep, u...);
}
/* print w/ no spaces */
template <class... T>
void pr(const T &...t) {
pr_sep(cout, "", t...);
}
/* print w/ spaces, end with newline */
void ps() { cout << "\n"; }
template <class... T>
void ps(const T &...t) {
pr_sep(cout, " ", t...);
ps();
}
/* debug to cerr */
template <class... T>
void dbg_out(const T &...t) {
pr_sep(cerr, " | ", t...);
cerr << endl;
}
void loc_info(int line, str names) {
cerr << "Line(" << line << ") -> [" << names << "]: ";
}
template <int lev, class T>
void dbgl_out(const T &t) {
cerr << "\n\n" << ts_sep(ts_lev<lev>(t), "\n") << "\n" << endl;
}
} /* namespace Output */
/*}}}}}}}}}*/
ll query_distance(ll t) {
cout << "? " << t << endl;
int res; re(res);
return res;
}
void query_answer(ll x) {
cout << "! " << x << endl;
}
void solve() {
map<ll, ll> cache = { { 0, 0 }, { 1, query_distance(1) } };
if(cache[1] == 0) { query_answer(1); return; }
ll pt = 1;
while(cache[pt] == pt) {
pt *= 2; cache[pt] = query_distance(pt);
}
ll res = cache[pt/2] * 2 - cache[pt];
query_answer(res);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
/* cout << fixed << setprecision(6); */
int t = 1;
// cin >> t;
for (int i = 0; i < t; i++) solve();
return 0;
// you should actually read the stuff at the bottom
}
/* stuff you should look for
* int overflow, array bounds
* special cases (n=1?)
* do smth instead of nothing and stay organized
* WRITE STUFF DOWN
* DON'T GET STUCK ON ONE APPROACH
*/
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3844kb
input:
1 2 4 8 16 32 22
output:
? 1 ? 2 ? 4 ? 8 ? 16 ? 32 ? 64 ! 42
result:
ok Queries used: 8
Test #2:
score: 0
Accepted
time: 1ms
memory: 3536kb
input:
1 2 4 8 16 32 64 128 256 512 1024 711
output:
? 1 ? 2 ? 4 ? 8 ? 16 ? 32 ? 64 ? 128 ? 256 ? 512 ? 1024 ? 2048 ! 1337
result:
ok Queries used: 13
Test #3:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
0
output:
? 1 ! 1
result:
ok Queries used: 2
Test #4:
score: 0
Accepted
time: 0ms
memory: 3504kb
input:
1 0
output:
? 1 ? 2 ! 2
result:
ok Queries used: 3
Test #5:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1 2 1
output:
? 1 ? 2 ? 4 ! 3
result:
ok Queries used: 4
Test #6:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
1 2 0
output:
? 1 ? 2 ? 4 ! 4
result:
ok Queries used: 4
Test #7:
score: 0
Accepted
time: 1ms
memory: 3840kb
input:
1 2 4 3
output:
? 1 ? 2 ? 4 ? 8 ! 5
result:
ok Queries used: 5
Test #8:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
1 2 4 2
output:
? 1 ? 2 ? 4 ? 8 ! 6
result:
ok Queries used: 5
Test #9:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
1 2 4 1
output:
? 1 ? 2 ? 4 ? 8 ! 7
result:
ok Queries used: 5
Test #10:
score: 0
Accepted
time: 0ms
memory: 3540kb
input:
1 2 4 0
output:
? 1 ? 2 ? 4 ? 8 ! 8
result:
ok Queries used: 5
Test #11:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1 2 4 8 7
output:
? 1 ? 2 ? 4 ? 8 ? 16 ! 9
result:
ok Queries used: 6
Test #12:
score: 0
Accepted
time: 1ms
memory: 3552kb
input:
1 2 4 8 1
output:
? 1 ? 2 ? 4 ? 8 ? 16 ! 15
result:
ok Queries used: 6
Test #13:
score: 0
Accepted
time: 1ms
memory: 3756kb
input:
1 2 4 8 0
output:
? 1 ? 2 ? 4 ? 8 ? 16 ! 16
result:
ok Queries used: 6
Test #14:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
1 2 4 8 16 15
output:
? 1 ? 2 ? 4 ? 8 ? 16 ? 32 ! 17
result:
ok Queries used: 7
Test #15:
score: -100
Wrong Answer
time: 1ms
memory: 3624kb
input:
1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864 134217728 268435456 536870912 1073741824 2147483648
output:
? 1 ? 2 ? 4 ? 8 ? 16 ? 32 ? 64 ? 128 ? 256 ? 512 ? 1024 ? 2048 ? 4096 ? 8192 ? 16384 ? 32768 ? 65536 ? 131072 ? 262144 ? 524288 ? 1048576 ? 2097152 ? 4194304 ? 8388608 ? 16777216 ? 33554432 ? 67108864 ? 134217728 ? 268435456 ? 536870912 ? 1073741824 ? 2147483648 ! 1
result:
wrong answer Wrong answer: wrong lap length