結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | mmn15277198 |
提出日時 | 2021-04-12 19:56:30 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,784 bytes |
コンパイル時間 | 907 ms |
コンパイル使用メモリ | 97,572 KB |
実行使用メモリ | 7,168 KB |
最終ジャッジ日時 | 2024-06-28 16:23:23 |
合計ジャッジ時間 | 4,682 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
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 | WA | - |
testcase_01 | AC | 4 ms
6,944 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 5 ms
6,940 KB |
testcase_25 | AC | 5 ms
6,940 KB |
testcase_26 | AC | 5 ms
6,940 KB |
testcase_27 | AC | 4 ms
6,948 KB |
testcase_28 | AC | 5 ms
6,944 KB |
testcase_29 | AC | 4 ms
6,944 KB |
testcase_30 | AC | 5 ms
6,944 KB |
testcase_31 | AC | 5 ms
6,940 KB |
testcase_32 | AC | 5 ms
6,944 KB |
testcase_33 | AC | 5 ms
6,944 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | AC | 4 ms
6,944 KB |
testcase_83 | AC | 4 ms
6,948 KB |
testcase_84 | AC | 5 ms
6,940 KB |
testcase_85 | AC | 4 ms
6,940 KB |
testcase_86 | AC | 4 ms
6,940 KB |
testcase_87 | AC | 4 ms
6,944 KB |
testcase_88 | AC | 5 ms
6,940 KB |
testcase_89 | AC | 4 ms
6,944 KB |
testcase_90 | AC | 5 ms
6,948 KB |
testcase_91 | AC | 5 ms
6,940 KB |
testcase_92 | WA | - |
testcase_93 | WA | - |
testcase_94 | AC | 5 ms
6,944 KB |
testcase_95 | AC | 4 ms
6,940 KB |
testcase_96 | AC | 4 ms
6,944 KB |
testcase_97 | AC | 5 ms
6,944 KB |
testcase_98 | AC | 4 ms
6,948 KB |
testcase_99 | AC | 4 ms
6,944 KB |
testcase_100 | WA | - |
testcase_101 | AC | 5 ms
6,948 KB |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
testcase_106 | WA | - |
testcase_107 | WA | - |
testcase_108 | WA | - |
testcase_109 | WA | - |
testcase_110 | WA | - |
testcase_111 | WA | - |
testcase_112 | WA | - |
testcase_113 | WA | - |
testcase_114 | WA | - |
testcase_115 | WA | - |
testcase_116 | WA | - |
testcase_117 | WA | - |
testcase_118 | WA | - |
testcase_119 | WA | - |
testcase_120 | WA | - |
testcase_121 | WA | - |
testcase_122 | WA | - |
testcase_123 | WA | - |
testcase_124 | WA | - |
ソースコード
#include <iostream> #include <vector> #include <functional> #include <algorithm> #include <map> #include <cstdio> #include <cmath> #include <iomanip> using namespace std; #define rep(i,n) for (int i = 0; i < (n); i++) #define vi vector<int> #define vll vector<long long> #define vb vector<bool> #define all(x) x.begin() , x.end() #define pb push_back() #define eb emplace_back() #define chmax(x,y) (x) = max((x) , (y)) #define chmix(x,y) (x) = mix((x) , (y)) typedef long long ll; typedef long double ld; //const int MOD = int(1e9) + 7; //const int MOD = 998244353; const ll MOD = ll(1e9) + 7; //const ll MOD = 998244353; const ld PI = 3.1415926535897932384626; const int INF = 1001001001; const ll LINF = 1001001001001001001; const int MX = 220000; ll gcd (ll a , ll b) { if (a < b) swap(a , b); if (a % b == 0) return b; else return gcd(b , a % b); } ll lcm (ll a , ll b) { return a / gcd(a , b) * b; } ll lin() { ll x; scanf("%lld" , &x); return x; } int in() { int x; scanf("%d" , &x); return x; } void io_setup() { cout << fixed << setprecision(20); } ll modpow (ll x , ll p) { ll ret = 1; while (p) { if (p % 2 == 1) { ret *= x; ret %= MOD; } x *= x; x %= MOD; p /= 2; } return ret; } ll moddiv (ll a , ll b) { return a * modpow(b , MOD - 2) % MOD; } ll modsub (ll a , ll b) { if (a >= b) return (a - b) % MOD; else return (MOD - a + b); } vll fact(MX); vll factinv(MX); void init_fact () { fact[0] = 1; for (int i = 1; i < MX; i++) { fact[i] = 1LL * i * fact[i - 1] % MOD; } for (int i = 0; i < MX; i++) { factinv[i] = modpow(fact[i] , MOD - 2); } } ll nCk (ll n , ll k) { return ((fact[n] * factinv[k] % MOD) * factinv[n - k] % MOD); } bool is_prime (int x) { if (x == 2 || x == 3 || x == 5 || x == 7) { return true; } for (ll i = 2; i*i <= x; i++) { if (x % i == 0) { return false; } } return true; } vb prime_table(MX , true); void init_prime() { for (int i = 2; i < MX; i++) { for (int j = i + i; j < MX; j += i) { prime_table[j] = false; } } return; } void solve () { ld a , b , c; cin >> a >> b >> c; ld d = b * b - 4 * a * c; if (d < 0) { cout << -1 << endl; }else if (d == 0) { cout << 1 << endl; cout << (-b) / (ld)2 / a << endl; } else { cout << 2 << endl; ld ans1 = ((-b) + sqrt(d)) / (ld)2 / a; ld ans2 = ((-b) - sqrt(d)) / (ld)2 / a; if (ans1 > ans2) swap(ans1 , ans2); cout << ans1 << " " << ans2 << endl; } return; } int main() { io_setup(); //init_fact(); //init_prime(); solve(); return 0; }