solution stringlengths 11 983k | difficulty int64 0 21 | language stringclasses 2
values |
|---|---|---|
import math
a, b, c = map(int, input().split())
if a == 0:
if b == 0 and c == 0:
print(-1)
elif b == 0 and c != 0:
print(0)
else:
x = -c/b
print(1)
print('{:.10f}'.format(x))
else:
delta = pow(b, 2) - (4 * a * c)
if delta < 0:
print(0)
elif delta ... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
double delta(double a, double b, double c) { return b * b - 4 * a * c; }
int main() {
double a, b, c;
cin >> a >> b >> c;
double s1, s2, de = delta(a, b, c);
if (de < 0) {
cout << 0;
return 0;
}
if (!a && !b && !c) {
cout << -1;
return 0;
}
i... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
int no = 0;
double a, b, c, res, res1, res2, d, p, q;
scanf("%lf%lf%lf", &a, &b, &c);
if (a == 0 && b == 0 && c == 0) {
cout << "-1" << endl;
return 0;
}
if (a == 0 && b != 0) {
res = -(c / b);
printf("1\n%lf", res);
return 0;
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline void read(T& x) {
x = 0;
char c;
while (!isdigit(c = getchar()))
;
do {
x = x * 10 + c - '0';
} while (isdigit(c = getchar()));
}
template <typename T>
inline void write(T x) {
if (x > 9) write(x / 10);
putchar(x % 10 + 48)... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
cout << setprecision(6) << fixed;
double a, b, c;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0) {
if (c == 0) {
cout << -1;
} else {
cout << 0;
}
} else {
cout << 1 << endl;
cout << -c / b;
}
}... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9 + 10;
const int N = 1010;
long double a, b, c;
int main() {
ios_base::sync_with_stdio(0);
cout.tie(0);
cin.tie(0);
cin >> a >> b >> c;
long double d = (b * b - 4 * a * c);
if (d < 0) {
cout << 0;
return 0;
}
if (a == b && b == c &... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
template <class T>
T toDec(string s) {
stringstream is(s);
T res;
is >> res;
return res;
}
template <class T>
string toStr(T n) {
string s;
stringstream is;
is << n;
is >> s;
return s;
}
template <class T>
bool isPrime(T x) {
if (x <= 1) return false;
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const long long A = 1e16, N = 228228, K = 8;
vector<long double> x;
long double d, a, b, c;
long long i, j, n;
int main() {
cin >> a >> b >> c;
if (!a) {
if (!b && !c) {
puts("-1");
return 0;
;
}
if (!b) {
puts("0");
return 0;
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL);
long long a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
printf("-1\n");
} else if (a == 0 && b == 0 && c != 0) {
printf("0\n");
} else if (a == 0 && b != 0) {
... | 8 | CPP |
a,b,c = list(map(int,input().split()))
if a!=0:
k = (b*b) - 4*a*c
if k<0:
print(0)
else:
a1 = (-b+(k**.5))/(2*a)
a2 = (-b-(k**.5))/(2*a)
if a1==a2:
print(1)
print(str(a1)+"0"*5)
if a1!=a2:
print(2)
print(str(min(a1,a2))+... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0) {
if (c == 0)
printf("-1\n");
else
printf("0\n");
} else {
printf("1\n");
printf("%.5lf\n", -1.0 * c / b);
}
} else {
long long sum ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int O = 2e9;
const double E = 1e-9;
const double api = 3.1415926536;
int DX[] = {1, -1, -1, 1};
int DY[] = {-1, 1, 1, -1};
int main() {
long double a, b, c;
cin >> a >> b >> c;
if (a == b && b == c && a == 0) {
cout << -1 << endl;
return 0;
}
if (a =... | 8 | CPP |
import math
a, b, c = map(int, input().split())
sqr = float((b ** 2) - 4 * a * c)
# 1 100000 -100000
if sqr >= 0:
e = float(math.sqrt(sqr))
# print(e)
if e == 0:
try:
root1 = float((-b - e) / (2 * a))
root = 1
print(root)
prin... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
double x1, x2;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0) {
if (c == 0) {
cout << "-1";
return 0;
}
if (c != 0) {
cout << "0";
return 0;
}
} else {
cout << "1" <... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double a, b, c;
set<double> s;
int main() {
cin >> a >> b >> c;
if (a == 0) {
if (b == 0) {
if (c == 0)
puts("-1");
else
puts("0");
} else {
puts("1");
double ans = -1.0 * c / b;
printf("%0.5f", ans);
}
} else ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(float x) { cer... | 8 | CPP |
x=list(map(int, input().split()))
a=x[0]
b=x[1]
c=x[2]
import math
if a==0:
if b==0:
if c==0:
print(-1)
else:
print(0)
else:
print(1)
if c!=0:
r=-c/b
else:
r=abs(c/b)
print("{:.10f}".format(r))
else:
d=(b*b)-(4*a... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c, e, f, g, h;
double x1, x2, x3, z, m, d;
cin >> a >> b >> c;
m = ((b * b) - (4 * a * c));
if (m < 0) {
cout << 0 << endl;
} else if (a == 0) {
if (b == 0 && c != 0) {
cout << 0 << endl;
} else if (b == 0 && c == 0) {... | 8 | CPP |
#include <bits/stdc++.h>
int main() {
long long w, x, y, z;
double a, b;
scanf("%lld %lld %lld", &w, &x, &y);
if (w) {
z = x * x - (4 * w * y);
if (z > 0) {
a = (-x - sqrt(z)) / (2 * w);
b = (-x + sqrt(z)) / (2 * w);
if (w > 0)
printf("2\n%lf\n%lf\n", a, b);
else
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
int a, b, c;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0)
printf(c == 0 ? "-1\n" : "0\n");
else
printf("1\n%f\n", (double)-c / b);
return 0;
}
long long d = (long long)b * b - 4LL * a * c;
if (d < 0)
printf("0\n");
els... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double a, b, c, x1, x2;
int main() {
int i, j, k, m, n, ans, len;
while (scanf("%lf%lf%lf", &a, &b, &c) != EOF) {
if (fabs(a) < 1e-8) {
if (fabs(b) < 1e-8) {
if (fabs(c) < 1e-8)
printf("-1\n");
else
printf("0\n");
} el... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long int a, b, c, x1;
cin >> a >> b >> c;
double y, y1, y2;
if (a == 0 && b == 0 && c == 0)
cout << "-1";
else if (a == 0) {
if (b != 0) {
cout << "1"
<< "\n";
double y = ((double)(-c)) / b;
cout << fixed << s... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int Z = (int)1e5 + 111;
const int inf = (int)1e9 + 111;
const long long llinf = (long long)1e18 + 5;
int main() {
ios_base::sync_with_stdio(false);
long double a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << -1;
return 0;
}
i... | 8 | CPP |
__author__ = """
*** *
* *
* *
* **** **** ***** **** * *
* * * * * * * * * *
* * * * * * * * * *
* * * * * * * * * *****
* * * * * * * * * *
**... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
double sqrtt(double x) {
if (x < 0)
return -sqrt(-x);
else
return sqrt(x);
}
int main() {
double a, b, c;
double x1, x2;
while (cin >> a >> b >> c) {
if (a == 0 && b == 0) {
if (c == 0)
printf("-1\n");
else
printf("0\n");
... | 8 | CPP |
import math
a,b,c = map(int,input().split())
if a == 0:
if b == 0:
if c == 0:
print("-1")
else:
print("0")
else:
print("1")
print("%.7f" %(-c/b))
else:
r = b*b - 4*a*c
if r < 0:
print("0")
elif r == 0:
print("1")
print(... | 8 | PYTHON3 |
from math import *
a,b,c = input().split()
a,b,c = int(a),int(b),int(c)
d_2 = (b**2) - (4 * a * c)
if d_2 < 0:
print("0")
elif a == 0 and b == 0:
if c == 0:print("-1")
else:print('0')
elif a == 0 and b != 0:
print("1")
x_1 = -(float(c)/float(b))
print("%.10f" % x_1)
else:
if d_2 == 0:
... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
static const double EPS = 1e-8;
int main() {
istream &fin = cin;
ostream &fout = cout;
FILE *fpin = stdin;
FILE *fpout = stdout;
int A, B, C;
fin >> A >> B >> C;
if (A == 0 && B == 0 && C == 0) {
fout << -1 << endl;
return 0;
}
if (A == 0) {
if... | 8 | CPP |
a,b,c = map(int,input().split())
if a ==0 and b==0:
if c ==0:
print("-1")
else:
print("0")
exit(0)
D = pow(b,2) -4*a*c
x = -b
y = pow(D,1/2)
z = 2*a
r = 0
if a ==0:
print("1")
print(-c/b)
exit(0)
if D < 0:
print(r)
exit(0)
if D ==0:
r = 1
e1 = (x-y)/z
print(r... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
double A, B, C, d;
void Stampa(double x) { cout << fixed << setprecision(7) << x << endl; }
double Delta() { return pow(B, 2) - 4 * A * C; }
int main() {
ios::sync_with_stdio(false);
cin >> A >> B >> C;
if (A == 0) {
if (B == 0 && C == 0) {
cout << "-1\n";
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
long long A, B, C;
cin >> A >> B >> C;
if (A == 0) {
if (B == 0) {
cout << (C == 0 ? -1 : 0) << '\n';
} else {
cout << 1 << '\n';
cout << fixed << setprecision(10) << -1. * C / B ... | 8 | CPP |
a, b, c = [int(x) for x in input().split()]
if a == 0 and b == 0:
if c == 0:
print(-1)
else:
print(0)
elif a == 0:
print(1)
print("{0:.5f}".format(-c/b))
else:
root1 = (-b+(b**2-4*a*c)**0.5)/(2*a)
root2 = (-b-(b**2-4*a*c)**0.5)/(2*a)
if root1 == root2:
print(1)
... | 8 | PYTHON3 |
#include <bits/stdc++.h>
int main() {
double a, b, c;
int i, j, k, m, n;
scanf("%lf%lf%lf", &a, &b, &c);
if (a == 0) {
if (b == 0) {
if (c == 0)
printf("-1\n");
else
printf("0\n");
} else
printf("1\n%0.10f\n", -c / b);
} else {
if (b * b - 4 * a * c < 0)
pri... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
long long a, b, c;
int main() {
scanf("%lld%lld%lld", &a, &b, &c);
if (a == 0 && b == 0 && c == 0)
printf("-1\n");
else if (a == 0 && b == 0 && c != 0)
printf("0\n");
else if (a == 0 && b != 0)
printf("1\n%.10lf\n", -(double)(c) / b);
else {
int nu... | 8 | CPP |
import sys, math
input = sys.stdin.readline
a, b, c = map(int, input().split())
if(a == 0):
if(b == 0):
if(c == 0):
print(-1)
else:
print(0)
else:
print("1\n{:.6f}".format(-c / b))
else:
delta = b * b - 4 * a * c
if(delta < 0):
print(0)
elif(de... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
double i, a, b, c;
double ans, d, r1, r2;
cin >> a >> b >> c;
d = (b * b - 4 * a * c);
if (a == 0 && (b == 0 && c == 0)) {
cout << "-1";
} else if (a == 0 && b != 0) {
r1 = -c / b;
printf("1\n%.6f", r1);
} else if (a == 0 && b == 0) {
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c, dt;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0 && c == 0)
cout << -1;
else if (b == 0 && c != 0)
cout << 0;
else if (b != 0 && c != 0) {
cout << 1 << "\n";
printf("%.8lf", -c / b);
} else {
c... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, s, d;
cin >> a >> s >> d;
long long ans = s * s - 4 * a * d;
if (!a) {
double aa = -d;
aa /= s;
if (!s && d)
cout << 0;
else if (isinf(aa) || (!s && !d))
cout << -1;
else
cout << 1 << endl << setprecisi... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const long long MODN = 1000000007;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
double a, b, c;
cin >> a >> b >> c;
cout << fixed << setprecision(5);
if (a == 0) {
if (b == 0) {
if (c == 0)
cout << -1 << endl;
else
cout <... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c, d;
cout.precision(10);
cin >> a >> b >> c;
if (a == 0) {
if (b == 0) {
if (c == 0)
cout << -1;
else
cout << 0;
} else {
long double cc = -c + 0.0;
cout << 1 << endl << cc / b;
}
} ... | 8 | CPP |
#include <bits/stdc++.h>
const double eps = 1e-8;
const double pi = 3.1415926535897932;
using namespace std;
ifstream in("input.txt", ifstream::in);
ofstream out("output.txt", ofstream::out);
int main() {
double ans[2];
long long A, B, C;
cin >> A >> B >> C;
if (A == 0) {
if (B == 0) {
if (C == 0)
... | 8 | CPP |
from math import sqrt
a,b,c=list(map(int,input().split()))
if a==b==c==0:
print(-1)
else:
if a==0:
if b!=0:
print(1)
print(-c/b)
else:
print(0)
else:
d=b**2-4*a*c
if d<0:
print(0)
elif d==0:
print(1)
... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
void PTBac1(long long a, long long b) {
if (a == 0) {
if (b == 0) {
cout << "-1";
} else {
cout << "0";
}
} else {
cout << "1\n";
cout << fixed << setprecision(5) << 1.0 * -b / a;
}
}
void PTBac2(long long a, long long b, long long c) {... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
cin.sync_with_stdio(false);
cin.tie(0);
long double a, b, c;
cin >> a >> b >> c;
if (a == 0 and b == 0 and c == 0)
cout << -1;
else if ((a == 0 and b == 0) or b * b - 4 * a * c < 0)
cout << 0;
else if (a == 0)
cout << fixed << setpreci... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
typename std::set<T>::const_iterator GetNearestTo(const std::set<T>& data,
const T& t) {
auto upper = data.lower_bound(t);
if (upper == data.begin() || (*upper) == t) return upper;
auto lower = up... | 8 | CPP |
#include <bits/stdc++.h>
int main() {
double a, b, c, s;
scanf("%lf %lf %lf", &a, &b, &c);
if (a == 0 && b == 0 && c == 0) {
printf("-1");
} else if (a == 0 && b != 0) {
printf("1\n%lf", (-c) / b);
} else if (a == 0 && b == 0 && c != 0) {
printf("%lf", b);
} else {
s = (b * b) - 4 * a * c;
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double A, B, C;
cin >> A >> B >> C;
if (A == 0 && B == 0 && C == 0) {
cout << "-1";
return 0;
}
if (A == 0 && B == 0 && C != 0) {
cout << "0";
return 0;
}
if (A == 0) {
double z = (-C) / B;
printf("1\n%.10lf", z);
retur... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;
double a, b, c;
int main() {
cin >> a >> b >> c;
double s = b * b - 4 * a * c;
if (a == b && b == c && a == 0) return puts("-1"), 0;
if (a == 0 && b == 0) return puts("0"), 0;
if (a == 0) {
cout << 1 << endl;
printf("%.6lf\n", (-c) ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
int tc;
double a, b, c;
cin >> a >> b >> c;
double D = b * b - 4 * a * c;
int n;
if (D < 0) {
printf("0\n");
} else if (a == 0 && b == 0 && c == 0)
cout << "-1" << endl;
else if (a == 0 && b == 0)
cout << "0" << endl;
else if (a ==... | 8 | CPP |
a, b, c = map(float, input().split())
d = b ** 2 - 4 * a * c
if d < 0:
print(0)
elif a == 0 and b == 0:
if c == 0:
print(-1)
else:
print(0)
elif a == 0:
print(1)
print(-c / b)
else:
x = [float((-b + d ** 0.5) / 2 / a)]
v1 = float((-b - d ** 0.5) / 2 / a)
if not v1 in x:
... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
const int MOD = 1e6 + 10;
int main() {
double a, b, c;
while (~scanf("%lf%lf%lf", &a, &b, &c)) {
if (a == b && b == c && c == 0) {
printf("-1\n");
continue;
}
double x = b * b - a * 4 * c;
if (((a == 0 && b == 0) &... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
double x, y, d, p;
cin >> a >> b >> c;
d = b * b;
p = 4 * a * c;
d = d - p;
if (a == 0 && b == 0 && c == 0)
cout << "-1" << endl;
else if (a == 0 && b == 0)
cout << "0" << endl;
else if (a == 0) {
x = c * -1;
x ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
vector<double> v;
long long n, m, i, j, t, a, b, c, k;
int main() {
ios_base::sync_with_stdio(0);
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << -1 << endl;
return 0;
} else if (a == 0 && b == 0) {
cout << 0 << endl;
return 0;
} else... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
while (~scanf("%lf%lf%lf", &a, &b, &c)) {
if (a == b && b == c && c == 0) {
printf("-1\n");
continue;
}
double x = b * b - a * 4 * c;
if (((a == 0 && b == 0) && c != 0) || x < 0) {
printf("0\n");
conti... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
cin >> a >> b >> c;
double d = pow(b, 2.0) - 4.0 * a * c;
if (d < 0 || a == 0 && b == 0 && c != 0) {
cout << 0 << "\n";
return 0;
} else if (a == 0 && b == 0 && c == 0) {
cout << -1 << "\n";
return 0;
} else if (a == ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e9;
const long long INFLL = 0x3f3f3f3f3f3f3f3f;
const int MOD = 1e9 + 7;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long a, b, c;
cin >> a >> b >> c;
if (a == 0) {
if (b == 0 and c == 0) {
cout << -1 << en... | 8 | CPP |
A,B,C = map(int,input().split())
import math
D = B * B - 4 * A * C
if A == 0 and B == 0 and C == 0:
print(-1)
elif A == 0 and B == 0:
print(0)
elif A == 0:
x = - C / B
print(1)
print('%4.5f' % x)
elif D < 0:
print(0)
elif D > 0:
x1 = (- B + math.sqrt(D)) / (2 * A)
x2 = (- B ... | 8 | PYTHON3 |
import math
coefficients=input().split()
a=int(coefficients[0])
b=int(coefficients[1])
c=int(coefficients[2])
if (a==0 and b==0 and c==0):
print(-1)
elif (b**2)-4*a*c<0 or (a==0 and b==0):
print(0)
elif a==0:
print(1)
print("%.10f"%(-c/b))
else:
root1=(-b-math.sqrt((b**2)-4*a*c))/(2*a)
root2=(-b... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cout << fixed << setprecision(10);
double a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0)
cout << "-1";
else if (a == 0 && b == 0)
cout << "0";
else if (a == 0) {
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
cin >> a >> b >> c;
double d = b * b - 4 * a * c;
if (a == 0 && b == 0 && c == 0) {
cout << "-1\n";
return 0;
}
if (a == 0 && b == 0) {
cout << "0\n";
return 0;
}
if (a == 0) {
cout << "1\n";
printf("%.5lf... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
string s;
int main() {
double a, b, c;
cin >> a >> b >> c;
double d = b * b - 4 * a * c;
if (a == b && b == c && c == 0) {
cout << -1;
return 0;
}
if (a == b && b == 0) {
cout << 0;
return 0;
}
cout << fixed << setprecision(20);
if (a == 0)... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
scanf("%lf %lf %lf", &a, &b, &c);
if (a == 0) {
if (b == 0) {
if (c == 0)
printf("-1\n");
else
printf("0\n");
} else {
printf("1\n");
printf("%.6lf\n", -c / b);
}
} else {
double tt... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double A, B, C;
void Output(int n, double x = 0, double y = 0) {
printf("%d\n", n);
if (n >= 2 && x > y) swap(x, y);
if (n >= 1) printf("%.6f\n", x);
if (n >= 2) printf("%.6f\n", y);
}
int main(void) {
scanf("%lf%lf%lf", &A, &B, &C);
if (fabs(A) == 0) {
if (... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
cin >> a >> b >> c;
long long det = b * b - 4 * a * c;
if (a == 0 && b == 0 && c == 0) {
cout << -1;
return 0;
}
if (a == 0 && b == 0 && c != 0) {
cout << 0;
return 0;
}
if (a == 0 && b != 0) {
cout << 1 <<... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double r1, r2, a, b, c, delta;
int main() {
cin >> a >> b >> c;
cout << fixed << setprecision(5);
if (a == b && b == c && c == 0) {
cout << -1;
return 0;
}
if (a != 0) {
delta = b * b - 4 * a * c;
if (delta == 0) {
cout << 1 << endl << ((-1) ... | 8 | CPP |
import math
a,b,c=map(int,input().split())
if (a==0 and b==0 and c==0):
print(-1)
elif(a==0 and b==0 and c!=0):
print(0)
elif (a==0 and b!=0):
print(1)
print(-c/b)
elif (b*b-4*a*c<0):
print(0)
elif (b*b-4*a*c==0):
print(1)
print((-b/(2*a)))
else:
print(2)
d=(-b+math.sqrt(b*b-4*a*c))/... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
cin >> a >> b >> c;
long long d = b * b - 4 * a * c;
if (a != 0) {
double x = a, y = b;
if (d < 0) cout << 0;
if (d == 0) {
cout << 1 << endl;
printf("%lf", -y / (2 * x));
}
if (d > 0) {
cout << 2... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double a, b, c, d;
int main() {
cin >> a >> b >> c;
if (a == b && a == c && a == 0) {
cout << -1;
return 0;
}
if (a == 0 && b == 0) {
cout << 0;
return 0;
}
if (a == 0) {
cout << 1 << endl;
cout << fixed;
cout << setprecision(9) << -c... | 8 | CPP |
# https://codeforces.com/problemset/problem/20/B
def find_roots(a, b, c):
if (a, b, c) == (0, 0, 0):
return None
if (a, b) == (0, 0):
return []
if a == 0:
return [-c / b]
d = b**2 / (4 * a**2) - c / a
if d < 0:
return []
m = -b / (2 * a)
if d == 0:
r... | 8 | PYTHON3 |
from decimal import *
from math import sqrt
a, b, c = map(Decimal, input().split())
if a != 0:
if b**2 - 4*a*c < 0:
print(0)
else:
arr = [(-b + Decimal(sqrt(b**2 - 4*a*c)))/(2*a), (-b-Decimal(sqrt(b**2 - 4*a*c)))/(2*a)]
if max(arr) == min(arr):
print(1, arr[0])
else:
... | 8 | PYTHON3 |
from math import sqrt
a, b, c = list(map(int,input().strip().split(' ')))
if a == 0:
if b != 0:
print(1)
print(-1 * c/b)
else:
if c == 0:
print(-1)
else:
print(0)
else:
if b ** 2 == 4 * a * c:
print(1)
print(-1 * b/(2 * a))
elif b ** 2 < 4 * a * c:
print(0)
else:
pr... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const long long MAX = LLONG_MAX, mod = 1000000007, MODA = 1e9 - 1;
const long long MIN = LLONG_MIN;
const long double PI = 3.1415926535;
const long long N = 100009;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
long double a, b, c;
cin >> a >> b >> c... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
set<double> s;
set<double>::iterator it;
double a, b, c;
cin >> a >> b >> c;
double ans1, ans2;
if (a == 0 && b == 0 && c == 0)
cout << -1 << endl;
else if (a == 0 && b != 0) {
ans2 = -(c / b);
s.insert(ans2);
cout << s.size() << e... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
cin >> a >> b >> c;
if (a == 0 && b != 0) {
cout << 1 << endl;
cout << fixed << setprecision(5) << -1.0 * c / b << endl;
} else if (a != 0 && b == 0) {
double resp = c * 1.0 / a;
if (resp < 0) {
cout << 2 << endl... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
class Quadratic_root {
long long a, b, c;
public:
Quadratic_root(long a, long b, long c) : a(a), b(b), c(c) {}
void Calculate_roots() {
if ((b * b - 4 * a * c) < 0)
cout << 0 << endl;
else if (!a && !b && !c)
cout << -1 << endl;
else if (!a &... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
double a, b, c;
int main() {
cin >> a >> b >> c;
double k = b * b;
double l = 4 * a * c;
if (a == 0) {
if (b == 0 && c == 0) {
cout << -1 << endl;
return 0;
}
if (b == 0 && c != 0) {
cout << 0 << endl;
return 0;
}
if (c ==... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double A, B, C;
const double EPSILON = 1e-6;
cin >> A >> B >> C;
if (fabs(A) < EPSILON) {
if (fabs(B) < EPSILON) {
if (fabs(C) < EPSILON)
cout << -1 << endl;
else
cout << 0 << endl;
} else {
cout << 1 << endl;
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c, x = 4, m = 0, a1, a2, n = 2, ans;
cin >> a >> b >> c;
ans = b * b - x * a * c;
if (a == m && b == m && c == m) {
cout << -1;
return 0;
}
if (a == m && b == m) {
cout << 0;
return 0;
}
if (a == m) {
cout << 1 <... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long double a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << "-1" << endl;
return 0;
} else {
if (a == 0 && b == 0 && c != 0) {
cout << "0" << endl;
return 0;
} else {
if (a == 0 && b != 0) {
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c;
cin >> a >> b >> c;
if (a != 0 && b != 0 && c != 0) {
long long d = b * b - 4 * a * c;
if (d < 0) {
cout << 0;
return 0;
}
long double r = sqrt(d), one = 1.0 * (-b - r) / (2 * a),
two = 1.0 * ... | 8 | CPP |
import math
a, b, c = map(int, input().split())
d = 0
if a == 0 and b == 0 and c == 0:
print(-1)
exit()
if a == 0 and b == 0:
print(0)
exit()
if a == 0:
d -= c
d /= b
print(1)
if d == -0:
d = 0
print(d)
exit()
d = b * b - (4 * a * c)
if d < 0:
print(0)
exit()
if d... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-10;
int main() {
int a, b, c;
double delta;
double A, B, C;
long long aa, bb, cc;
while (scanf("%d %d %d", &a, &b, &c) != EOF) {
if (a == 0 && b == 0 && c == 0) {
printf("-1\n");
continue;
}
if (a == 0 && b == 0) {
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
vector<double> roots;
int main() {
double a, b, c;
scanf("%lf%lf%lf", &a, &b, &c);
if (a == 0 && b == 0 && c == 0) {
printf("-1\n");
return 0;
}
if (a == 0 && b == 0 && c != 0) {
printf("0\n");
return 0;
}
if (a == 0) {
printf("1\n");
p... | 8 | CPP |
#include <bits/stdc++.h>
const int N = 200010;
const int inf = 0x3f3f3f3f;
using namespace std;
string str;
long long a, b, c;
int main() {
cin >> a >> b >> c;
if (a == 0) {
if (c == 0) {
if (b == 0) return puts("-1"), 0;
printf("1\n0.000000000000\n");
return 0;
} else {
if (b == 0) ... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long double a, b, c, delta, x1, x2;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << -1;
return 0;
}
if (a == 0 && b == 0 && c != 0) {
cout << 0;
return 0;
}
if (a == 0 && b != 0) {
cout << "1\n" << fixed << setpre... | 8 | CPP |
a, b, c = map(int, input().split())
t = [1, -c / b] if b else [-(c == 0)]
if a:
d, x = b * b - 4 * a * c, -2 * a
if d: t = [0] if d < 0 else [2] + sorted([(b - d ** 0.5) / x, (b + d ** 0.5) / x])
else: t = [1, b / x]
print(*t)
# Made By Mostafa_Khaled | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5;
const long long INT = 1e9;
const long long LONG = 1e18;
const long long mod = 1e9 + 7;
int main() {
double a, b, c;
cin >> a >> b >> c;
double d = b * b - 4 * a * c;
if (a == 0) {
if (b == 0) {
if (c == 0)
cout << -1;
else
... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
double a, b, c;
scanf("%lf%lf%lf", &a, &b, &c);
if (a != 0) {
double d = b * b - 4 * a * c;
if (d > 0) {
double x1 = (-b - sqrt(d)) / (2 * a), x2 = (-b + sqrt(d)) / (2 * a);
if (x1 > x2) swap(x1, x2);
printf("2\n%.9f\n%.9f\n", x1... | 8 | CPP |
import os
import sys
from io import BytesIO, IOBase
import math
from queue import Queue
import collections
import itertools
import bisect
import heapq
#sys.setrecursionlimit(100000)
#^^^TAKE CARE FOR MEMORY LIMIT^^^
import random
def main():
pass
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
int main() {
double A, B, C;
cin >> A >> B >> C;
double a, b, d;
if (A == 0 && B == 0 && C == 0)
cout << -1;
else if (A > 0 || A < 0) {
if (B * B > 4 * A * C) {
d = B * B - (4 * A * C);
a = (-B + sqrt(d)) / (2 * A);
b = (-B - sqrt(d)) / (... | 8 | CPP |
import math
A, B, C = map(int, input().split(" "))
if A == 0:
if B == 0:
if C == 0:
print(-1)
else:
print(0)
else:
print(1)
print(-C / B)
else:
D = B * B - 4 * A * C
if D < 0:
print(0)
elif D == 0:
print(1)
print(-B / (... | 8 | PYTHON3 |
import math
a,b,c = [float(x) for x in input().split(' ')]
if a == 0:
if b == 0:
if c == 0: print(-1)
else: print("%.10f" %0)
else:
print(1)
print("%.10f" %(-c/b))
else:
aux = b ** 2 - 4 * a * c
if aux > 0:
print(2)
arr = [(-b + math.sqrt(aux))/(2 * a), (... | 8 | PYTHON3 |
#include <bits/stdc++.h>
int nextInt() {
int x;
scanf("%d", &x);
return x;
}
double nextDouble() {
double x;
scanf("%lf", &x);
return x;
}
long long nextLong() {
long long x;
scanf("%I64d", &x);
return x;
}
char nextChar() {
char x;
scanf("%c", &x);
return x;
}
void newLine() { printf("\n"); }
l... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main(void) {
long double a, b, c, p, q, r;
cin >> a >> b >> c;
p = b * b - 4 * a * c;
if (a == 0 && b == 0 && c == 0)
cout << -1 << endl;
else if (a == 0 && b == 0 && c != 0)
cout << 0 << endl;
else if (p < 0)
cout << 0 << endl;
else if (a == 0... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
long long tt = 1;
while (tt--) {
long long a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << -1 << endl;
} else if (a == 0 && b == 0) {
... | 8 | CPP |
a,b,c=map(int,input().split())
if a==0:
if b==0:
if c==0:
print(-1)
else:
print(0)
else:
print("1\n"+str(-c/b))
else:
if b*b==4*a*c:
print(1)
print("{0:.10f}".format(-b/(2*a)))
elif b*b<4*a*c:
print(0)
else:
print(2)
... | 8 | PYTHON3 |
a, b, c = [int(i) for i in input().split()]
d = b**2 - 4 * a * c
if a == 0 and b == 0 and c == 0:
print(-1)
elif a == 0 and b == 0:
print(0)
elif a == 0:
print(1)
print(-c/b)
elif d < 0:
print(0)
elif d == 0:
print(1)
print(-b / (2 * a))
else:
print(2)
b = b / a
d = d / (a**2)
... | 8 | PYTHON3 |
#include <bits/stdc++.h>
using namespace std;
const bool online_judge = true;
const long long inf = 1LL << 60;
long long toInt(string s) {
long long res;
stringstream ss;
ss << s;
ss >> res;
return res;
}
string toString(long long n) {
stringstream ss;
ss << n;
return ss.str();
}
double EPS = 1e-9;
void... | 8 | CPP |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long A, B, C;
cin >> A >> B >> C;
if (A == 0) {
if (B == 0) {
if (C == 0) {
cout << -1 << endl;
} else {
cout << 0 << endl;
}
} else {
double x = -1.0 * C / B;
cout << 1 << endl;
cout << fix... | 8 | CPP |
from math import *
def kv():
q,w,e=map(int,input().split())
if (q==0) & (w==0) & (e==0):
print(-1)
elif (q==0) & (w==0):
print(0)
elif q==0:
print(1)
print("%.6f" % ((-e)/w))
else:
d=w*w-4*q*e
if d<0:
print('0')
elif d==0:
print('1')
prin... | 8 | PYTHON3 |
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