結果
問題 | No.2970 三次関数の絶対値 |
ユーザー | xiaokai hou |
提出日時 | 2024-12-26 14:28:46 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,495 bytes |
コンパイル時間 | 1,415 ms |
コンパイル使用メモリ | 121,620 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-12-26 14:28:50 |
合計ジャッジ時間 | 3,366 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 3 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | WA | - |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | WA | - |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | WA | - |
testcase_26 | AC | 1 ms
5,248 KB |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 2 ms
5,248 KB |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 1 ms
5,248 KB |
testcase_38 | WA | - |
testcase_39 | AC | 2 ms
5,248 KB |
testcase_40 | AC | 2 ms
5,248 KB |
testcase_41 | AC | 3 ms
5,248 KB |
testcase_42 | AC | 2 ms
5,248 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | AC | 2 ms
5,248 KB |
testcase_46 | AC | 2 ms
5,248 KB |
testcase_47 | AC | 2 ms
5,248 KB |
testcase_48 | AC | 2 ms
5,248 KB |
testcase_49 | AC | 2 ms
5,248 KB |
ソースコード
#include <iostream> #include <sstream> #include <iomanip> #include <cstring> #include <string> #include <algorithm> #include <cmath> #include <map> #include <set> #include <vector> #include <queue> #include <unordered_set> #include <unordered_map> #include <bitset> #include <ctime> #include <assert.h> #include <deque> #include <list> #include <stack> using namespace std; #define is_mul_overflow(a, b) \ ((b != 0) && (a > LLONG_MAX / b || a < LLONG_MIN / b)) typedef pair<long long, int> pli; typedef pair<int, long long> pil; typedef pair<long long , long long> pll; typedef pair<int, int> pii; typedef pair<double, double> pdd; typedef pair<int, pii> piii; typedef pair<int, long long > pil; typedef pair<long long, pii> plii; typedef pair<double, int> pdi; typedef long long ll; typedef unsigned long long ull; typedef pair<ull, ull> puu; typedef long double ld; const int N = 2000086, MOD = 998244353, INF = 0x3f3f3f3f, MID = 333; const long double EPS = 1e-8; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx[8] = {1, 1, 0, -1, -1, -1, 0, 1}, dy[8] = {0, 1, 1, 1, 0, -1, -1, -1}; // int dx[8] = {2, 1, -1, -2, -2, -1, 1, 2}, dy[8] = {1, 2, 2, 1, -1, -2, -2, -1}; int n, m, cnt; int w[N]; vector<ll> num; ll res; ll lowbit(ll x) { return x & -x; } ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } inline double rand(double l, double r) { return (double)rand() / RAND_MAX * (r - l) + l; } inline ll qmi(ll a, ll b, ll c) { ll res = 1; while (b) { if (b & 1) res = res * a % c; a = a * a % c; b >>= 1; } return res; } inline ll qmi(ll a, ll b) { ll res = 1; while (b) { if (b & 1) res *= a; a *= a; b >>= 1; } return res; } inline double qmi(double a, ll b) { double res = 1; while (b) { if (b & 1) res *= a; a *= a; b >>= 1; } return res; } // inline ll C(ll a, ll b) { if (a < b) return 0; if (b > a - b) b = a - b; ll res = 1; for (ll i = 1, j = a; i <= b; i++, j--) { res = res * (j % MOD) % MOD; res = res * qmi(i, MOD - 2, MOD) % MOD; } return res; } inline ll C(ll a, ll b, int* c) { if (a < b) return 0; ll res = 1; for (ll j = a, i = 1; i < b + 1; i++, j--) res *= j; for (ll j = a, i = 1; i < b + 1; i++, j--) res /= i; return res; } inline int find_(int x) { return lower_bound(num.begin(), num.end(), x) - num.begin(); } int c0, c1, c2, c3, l, r; int main() { cin >> c0 >> c1 >> c2 >> c3 >> l >> r; int lv = c0 + c1 * l + c2 * l * l + c3 * l * l * l; int rv = c0 + c1 * r + c2 * r * r + c3 * r * r * r; int a = 3 * c3, b = 2 * c2, c = c1; if (b * b - 4 * a * c < 0) { if (lv >= 0 && rv >= 0) puts("0.000000"); else if (lv <= 0 && rv <= 0) printf("%lf\n", (double)max(abs(lv), abs(rv))); else puts("0.000000"); } else { double x1 = (double)(-b + sqrt(b * b - 4 * a * c)) / (2 * a); double x2 = (double)(-b - sqrt(b * b - 4 * a * c)) / (2 * a); if (!c2 && !c3) x1 = x2 = l; else if (!c3) x1 = x2 = -c1 / (2.0 * c2); if (x1 >= l && x1 <= r) x1 = c0 + c1 * x1 + c2 * x1 * x1 + c3 * x1 * x1 * x1; else x1 = 1e9; if (x2 >= l && x2 <= r) x2 = c0 + c1 * x2 + c2 * x2 * x2 + c3 * x2 * x2 * x2; else x2 = 1e9; if (x1 >= 0 && x2 >= 0 && lv >= 0 && rv >= 0) printf("%lf\n", min({(double)lv, (double)rv, x2, x1})); else if (x1 <= 0 && x2 <= 0 && lv <= 0 && rv <= 0) printf("%lf\n", -max({(double)lv, (double)rv, x2, x1})); else puts("0.000000"); } return 0; }