結果
| 問題 |
No.2567 A_1 > A_2 > ... > A_N
|
| コンテスト | |
| ユーザー |
soto800
|
| 提出日時 | 2023-12-02 18:49:42 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,880 bytes |
| コンパイル時間 | 2,950 ms |
| コンパイル使用メモリ | 245,432 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-09-26 21:27:10 |
| 合計ジャッジ時間 | 4,448 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 11 WA * 5 |
ソースコード
#include <bits/stdc++.h>
// #include <atcoder/all>
using namespace std;
#define lli long long int
#define REP(i, s, n) for (lli i = s; i < n; i++)
#define INF (1LL << 62)
#define DEBUG 0
#define mp(a, b) make_pair(a, b)
#define SORT(V) sort(V.begin(), V.end())
#define PI (3.141592653589794)
#define TO_STRING(VariableName) #VariableName
#define LOG1(x) \
if (DEBUG) cout << TO_STRING(x) << "=" << x << " " << endl;
#define LOG2(x, y) \
if (DEBUG) \
cout << TO_STRING(x) << "=" << x << " " << TO_STRING(y) << "=" << y \
<< endl;
#define LOG3(x, y, z) \
if (DEBUG) \
cout << TO_STRING(x) << "=" << x << " " << TO_STRING(y) << "=" << y \
<< " " << TO_STRING(z) << "=" << z << endl;
#define LOG4(w, x, y, z) \
if (DEBUG) \
cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x \
<< " " << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" \
<< z << endl;
#define LOG5(w, x, y, z, a) \
if (DEBUG) \
cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x \
<< " " << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" \
<< z << " " << TO_STRING(a) << "=" << a << endl;
#define LOG6(w, x, y, z, a, b) \
if (DEBUG) \
cout << TO_STRING(w) << "=" << w << " " << TO_STRING(x) << "=" << x \
<< " " << TO_STRING(y) << "=" << y << " " << TO_STRING(z) << "=" \
<< z << " " << TO_STRING(a) << "=" << a << " " << TO_STRING(b) \
<< "=" << b << endl;
#define overload6(a, b, c, d, e, f, g, ...) g
#define LOG(...) \
overload6(__VA_ARGS__, LOG6, LOG5, LOG4, LOG3, LOG2, LOG1)(__VA_ARGS__)
template <class T>
bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T>
bool chmin(T &a, const T &b) {
if (b < a) {
a = b;
return 1;
}
return 0;
}
mt19937 engine;
std::chrono::system_clock::time_point start, endTime;
std::ostream &operator<<(std::ostream &dest, __int128_t value) {
std::ostream::sentry s(dest);
if (s) {
__uint128_t tmp = value < 0 ? -value : value;
char buffer[128];
char *d = std::end(buffer);
do {
--d;
*d = "0123456789"[tmp % 10];
tmp /= 10;
} while (tmp != 0);
if (value < 0) {
--d;
*d = '-';
}
int len = std::end(buffer) - d;
if (dest.rdbuf()->sputn(d, len) != len) {
dest.setstate(std::ios_base::badbit);
}
}
return dest;
}
__int128 parse(string &s) {
__int128 ret = 0;
for (int i = 0; i < s.length(); i++) {
if ('0' <= s[i] && s[i] <= '9') {
ret = 10 * ret + s[i] - '0';
}
}
return ret;
}
// checker https://atcoder.jp/contests/abc264/tasks/abc264_e
lli sum(lli N) { return N * (N + 1) / 2; }
void solve() {
lli N, X;
cin >> N >> X;
if (sum(N) > X) {
cout << -1 << endl;
return;
}
lli pre = X;
REP(i, 0, N) {
if (i == N - 1) {
cout << X << endl;
return;
}
lli small = 0;
lli large = pre;
while (small + 1 < large) {
lli middle = (small + large) / 2;
// middleを採用した後に、残りの数列で構築可能かどうか?
lli lefX = X - middle;
lli lefN = (N - 1) - i;
lli lefUsable = sum(middle - 1) - sum(middle - 1 - lefN);
LOG(small, middle, large, lefUsable, lefX);
// 残りの数で一番大きい構築数は?
if (lefUsable >= lefX) {
large = middle;
} else {
small = middle;
}
}
cout << large << " ";
pre = large;
X -= large;
}
cout << endl;
}
// Generated by 2.12.0 https://github.com/kyuridenamida/atcoder-tools (tips:
// You use the default template now. You can remove this line by using your
// custom template)
int main() {
lli n = 1;
cin >> n;
while (n--) solve();
return 0;
}
struct Setup {
Setup() {
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
}
} __Setup;
soto800