結果
問題 | No.2567 A_1 > A_2 > ... > A_N |
ユーザー | soto800 |
提出日時 | 2023-12-02 18:53:52 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 133 ms / 2,000 ms |
コード長 | 4,943 bytes |
コンパイル時間 | 3,167 ms |
コンパイル使用メモリ | 246,184 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-26 21:27:57 |
合計ジャッジ時間 | 5,198 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 81 ms
5,376 KB |
testcase_02 | AC | 95 ms
5,376 KB |
testcase_03 | AC | 79 ms
5,376 KB |
testcase_04 | AC | 99 ms
5,376 KB |
testcase_05 | AC | 103 ms
5,376 KB |
testcase_06 | AC | 124 ms
5,376 KB |
testcase_07 | AC | 124 ms
5,376 KB |
testcase_08 | AC | 124 ms
5,376 KB |
testcase_09 | AC | 133 ms
5,376 KB |
testcase_10 | AC | 128 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
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 __int128_t sum(__int128_t N) { return N * (N + 1) / 2; } void solve() { lli N, X; cin >> N >> X; if (sum(N) > X) { cout << -1 << endl; return; } __int128_t pre = X; REP(i, 0, N) { if (i == N - 1) { cout << X << endl; return; } __int128_t small = 0; __int128_t large = pre; while (small + 1 < large) { __int128_t 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? __int128_t lefX = X - middle; __int128_t lefN = (N - 1) - i; __int128_t 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;