結果
| 問題 | No.3590 I Love Inversions |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-04-22 15:13:59 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.90.0) |
| 結果 |
AC
|
| 実行時間 | 2,120 ms / 5,000 ms |
| + 22µs | |
| コード長 | 3,489 bytes |
| 記録 | |
| コンパイル時間 | 1,478 ms |
| コンパイル使用メモリ | 210,524 KB |
| 実行使用メモリ | 5,888 KB |
| 平均クエリ数 | 12103.46 |
| 最終ジャッジ日時 | 2026-07-17 20:59:54 |
| 合計ジャッジ時間 | 24,165 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge2_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 43 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll mod = 1e9 + 7;
const int N = 200005;
const int INF = 0x3f3f3f3f;
namespace FastIO {
const int SIZ = 1 << 20;
char ibuf[SIZ], *iS, *iT;
char obuf[SIZ], *oS = obuf, *oT = obuf + SIZ - 1;
inline char getch() {
return (iS == iT ? (iT = (iS = ibuf) + fread(ibuf, 1, SIZ, stdin), (iS == iT ? EOF : *iS++)) : *iS++);
}
template <typename T>
inline void read(T& x) {
char c = getch();
x = 0;
bool f = 0;
while (!isdigit(c)) {
if (c == '-') f = 1;
c = getch();
}
while (isdigit(c)) {
x = (x << 1) + (x << 3) + (c ^ 48);
c = getch();
}
if (f) x = -x;
}
inline void read(char& c) {
while ((c = getch()) <= 32);
}
inline void read(char* s) {
char c = getch();
while (c <= 32) c = getch();
while (c > 32) {
*s++ = c;
c = getch();
}
*s = '\0';
}
inline void read(string& s) {
s.clear();
char c = getch();
while (c <= 32) c = getch();
while (c > 32) {
s += c;
c = getch();
}
}
inline void flush() {
fwrite(obuf, 1, oS - obuf, stdout);
oS = obuf;
}
inline void putch(char x) {
*oS++ = x;
if (oS == oT) flush();
}
template <typename T>
inline void write(T x) {
if (x < 0) {
putch('-');
x = -x;
}
if (x > 9) write(x / 10);
putch(x % 10 + 48);
}
inline void write(const char* s) {
while (*s) putch(*s++);
}
inline void write(const string& s) {
for (char c : s) putch(c);
}
struct IO {
~IO() {
flush();
}
template <typename T>
IO& operator>>(T& x) {
read(x);
return *this;
}
template <typename T>
IO& operator<<(const T& x) {
write(x);
return *this;
}
} io;
} // namespace FastIO
using namespace FastIO;
using i128 = __int128;
using u128 = __uint128_t;
using ull = unsigned long long;
template <typename T>
constexpr std::make_unsigned_t<T> gcd(T a, T b) {
using U = std::make_unsigned_t<T>;
U m = a < 0 ? U(-a) : U(a);
U n = b < 0 ? U(-b) : U(b);
if (m == 0) return n;
if (n == 0) return m;
int i = __builtin_ctz(m);
m >>= i;
int j = __builtin_ctz(n);
n >>= j;
int k = min(i, j);
while (true) {
if (m > n) swap(m, n);
n -= m;
if (n == 0) return m << k;
n >>= __builtin_ctz(n);
}
}
inline int lg(int __n) {
return sizeof(int) * __CHAR_BIT__ - 1 - __builtin_clz(__n);
}
ll powmod(ll x, ll y, ll m = mod) {
ll res = 1;
while (y) {
if (y & 1) res = res * x % m;
y >>= 1;
x = x * x % m;
}
return res;
}
int tr[N];
void add(int x, int d) {
for (int i = x; i < N; i += -i & i) tr[i] += d;
}
int find_kth(int k) {
int x = 0, sum = 0;
for (int i = 20; i >= 0; i--) {
if (x + (1 << i) < N && sum + tr[x + (1 << i)] < k) {
x += (1 << i);
sum += tr[x];
}
}
return x + 1;
}
ll Q[N];
int c[N], p[N];
int main() {
int n;
cin >> n;
for (int i = 2; i <= n; i++) {
cout << "? 1 " << i << "\r\n";
cout.flush();
cin >> Q[i];
c[i] = Q[i] - Q[i - 1];
}
for (int i = 1; i <= n; i++) add(i, 1);
for (int i = n; i >= 1; i--) {
int k = i - c[i];
int v = find_kth(k);
p[i] = v, add(v, -1);
}
cout << "!";
for (int i = 1; i <= n; i++) cout << " " << p[i];
cout << "\r\n";
cout.flush();
return 0;
}