#1625
Se citesc de la tastatura 3 valori reale a, b , c. Rezolvați ecuația de gradul doi cu a*x2+b*x+c=0
| Problema | ec2 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #57199859 | Utilizator | |
| Fișier | ec2.cpp | Dimensiune | 581 B |
| Data încărcării | 19 Martie 2025, 22:58 | Scor/rezultat | Eroare de compilare |
ec2.cpp:1:2: error: stray '#' in program v#include <bits/stdc++.h> ^ ec2.cpp:1:1: error: 'v' does not name a type v#include <bits/stdc++.h> ^ ec2.cpp: In function 'int main()': ec2.cpp:7:5: error: 'cin' was not declared in this scope cin >> a >> b >> c; ^ ec2.cpp:8:21: error: 'pow' was not declared in this scope delta = pow(b, 2) - 4 * a * c; ^ ec2.cpp:9:18: error: 'cout' was not declared in this scope if(delta < 0)cout << "Nu are solutii reale"; ^ ec2.cpp:13:9: error: 'cout' was not declared in this scope cout << fixed << setprecision(2) << "Radacina dubla" << ' ' << x; ^ ec2.cpp:13:17: error: 'fixed' was not declared in this scope cout << fixed << setprecision(2) << "Radacina dubla" << ' ' << x; ^ ec2.cpp:13:40: error: 'setprecision' was not declared in this scope cout << fixed << setprecision(2) << "Radacina dubla" << ' ' << x; ^ ec2.cpp:17:31: error: 'sqrt' was not declared in this scope x1 = (- b + sqrt(delta) / (2 * a)); ^ ec2.cpp:19:9: error: 'cout' was not declared in this scope cout << fixed << setprecision(2) << x1 << ' ' << x2; ^ ec2.cpp:19:17: error: 'fixed' was not declared in this scope cout << fixed << setprecision(2) << x1 << ' ' << x2; ^ ec2.cpp:19:40: error: 'setprecision' was not declared in this scope cout << fixed << setprecision(2) << x1 << ' ' << x2; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema ec2 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.