結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | Mi |
提出日時 | 2021-01-03 20:02:17 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,965 bytes |
コンパイル時間 | 1,920 ms |
コンパイル使用メモリ | 200,836 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-13 14:11:56 |
合計ジャッジ時間 | 4,761 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | WA | - |
testcase_01 | WA | - |
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 | 2 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
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 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
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 | AC | 2 ms
5,248 KB |
testcase_61 | AC | 1 ms
5,248 KB |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | AC | 2 ms
5,248 KB |
testcase_65 | WA | - |
testcase_66 | AC | 2 ms
5,248 KB |
testcase_67 | WA | - |
testcase_68 | AC | 2 ms
5,248 KB |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | AC | 2 ms
5,248 KB |
testcase_72 | AC | 2 ms
5,248 KB |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | AC | 2 ms
5,248 KB |
testcase_76 | AC | 2 ms
5,248 KB |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | AC | 2 ms
5,248 KB |
testcase_81 | WA | - |
testcase_82 | WA | - |
testcase_83 | WA | - |
testcase_84 | WA | - |
testcase_85 | WA | - |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | WA | - |
testcase_89 | WA | - |
testcase_90 | WA | - |
testcase_91 | WA | - |
testcase_92 | AC | 2 ms
5,248 KB |
testcase_93 | AC | 2 ms
5,248 KB |
testcase_94 | WA | - |
testcase_95 | WA | - |
testcase_96 | WA | - |
testcase_97 | WA | - |
testcase_98 | WA | - |
testcase_99 | WA | - |
testcase_100 | AC | 1 ms
5,248 KB |
testcase_101 | WA | - |
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<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll,ll> P; typedef pair<int,int> Pi; #define rep(i,n) for(ll i=0;i<n;i++) #define FOR(i,a,b) for(ll i=a;i<b;i++) #define rrep(i,n) for(ll i=n-1;i>=0;i--) #define rFOR(i,a,b) for(ll i=a-1;i>=b;i--) #define fi first #define se second #define endl "\n" template<typename T> inline bool chmax(T &a, T b){if(a<b){a=b;return true;}return false;} template<typename T> inline bool chmin(T &a, T b){if(a>b){a=b;return true;}return false;} template<typename T> ostream& operator<<(ostream& s,const complex<T>& d) {return s<<"("<<d.real()<<", "<<d.imag()<< ")";} template<typename T1, typename T2> ostream& operator<<(ostream& s,const pair<T1,T2>& d) {return s<<"("<<d.first<<", "<<d.second<<")";} template<typename T> ostream& operator<<(ostream& s, const vector<T>& d){int len=d.size();rep(i,len){s<<d[i];if(i<len-1) s<<" ";}return s;} template<typename T> ostream& operator<<(ostream& s,const vector<vector<T>>& d){int len=d.size();rep(i,len){s<<d[i]<<endl;}return s;} template<typename T> ostream& operator<<(ostream& s,const set<T>& v){s<<"{ ";for(auto itr=v.begin();itr!=v.end();++itr) {if (itr!=v.begin()) {s<< ", ";}s<<(*itr);}s<<" }";return s;} template<typename T> ostream& operator<<(ostream& s,const multiset<T>& v){s<<"{ ";for(auto itr=v.begin();itr!=v.end();++itr) {if (itr!=v.begin()) {s<< ", ";}s<<(*itr);}s<<" }";return s;} template<typename T1, typename T2> ostream& operator<<(ostream& s,const map<T1,T2>& m){s<<"{"<<endl;for(auto itr=m.begin();itr!=m.end();++itr){s<<" "<<(*itr).first<<" : "<<(*itr).second<<endl;}s<<"}"<<endl;return s;} template<class T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } const ll mod=1'000'000'007; const ll inf=1'000'000'000'000'000'00; const int INF=1'000'000'000; const double EPS=1e-10; const double PI=acos(-1); void solve(){ ll a,b,c; cin>>a>>b>>c; if(a==0){ if(b==0){ if(c==0){ cout<<-1<<endl; }else{ cout<<0<<endl; } }else{ cout<<setprecision(20)<<1<<' '<<double(-c)/double(b)<<endl; } }else{ ll d=b*b-4*a*c; if(d<0) cout<<0<<endl; else if(d==0){ cout<<setprecision(20)<<1<<' '<<double(-b)/double(2*a)<<endl; }else{ double tmp=sqrt(d); double ans1,ans2; if(b>=0){ ans1=(-b-tmp)/double(2*a); ans2=c/(a*ans1); }else{ ans1=(-b+tmp)/double(2*a); ans2=c/(a*ans1); } if(ans1>ans2) swap(ans1,ans2); cout<<setprecision(20)<<2<<' '<<ans1<<' '<<ans2<<endl; } } } int main(){ cin.tie(0);ios::sync_with_stdio(false); int t=1; while(t--) solve(); }