Detalii evaluare: ~14980036

Detalii evaluare #14980036

Rezumat problema
Detalii
Evaluare
Ajutor

Rezumat problemă

`#1357` plusminus

Fie n un număr natural.
Să se determine toate posibilitățile de alegere a semnelor + și - pentru care
n = (+|-) 1² + (+|-) 2² + ... + (+|-) n²

Fișiere
Minca Carmen (carmen)
Carmen Minca
ușoară

Clasa 11 Backtracking Probleme diverse

Rezolvă

Detalii

Problema	plusminus	Operații I/O	`plusminus.in`/`plusminus.out`
Limita timp	0.2 secunde	Limita memorie	Total: `2 MB` / Stivă `2 MB`
Id soluție	`#14980036`	Utilizator	Alupoae Catalina (alupoaecatalina)
Fișier	plusminus.cpp	Dimensiune	315 B
Data încărcării	27 Martie 2019, 00:34	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

plusminus.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include <iostream>

         ^
plusminus.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include <fstream>

         ^
plusminus.cpp:3:1: error: stray '\302' in program
 using namespace std;

 ^
plusminus.cpp:3:1: error: stray '\240' in program
plusminus.cpp:3:1: error: stray '\302' in program
plusminus.cpp:3:1: error: stray '\240' in program
plusminus.cpp:5:1: error: stray '\302' in program
 int main()

 ^
plusminus.cpp:5:1: error: stray '\240' in program
plusminus.cpp:7:1: error: stray '\302' in program
     int n,S=0,x;

 ^
plusminus.cpp:7:1: error: stray '\240' in program
plusminus.cpp:7:1: error: stray '\302' in program
plusminus.cpp:7:1: error: stray '\240' in program
plusminus.cpp:7:1: error: stray '\302' in program
plusminus.cpp:7:1: error: stray '\240' in program
plusminus.cpp:7:1: error: stray '\302' in program
plusminus.cpp:7:1: error: stray '\240' in program
plusminus.cpp:7:1: error: stray '\302' in program
plusminus.cpp:7:1: error: stray '\240' in program
plusminus.cpp:8:1: error: stray '\302' in program
     ifstream in("n_suma.in");

 ^
plusminus.cpp:8:1: error: stray '\240' in program
plusminus.cpp:8:1: error: stray '\302' in program
plusminus.cpp:8:1: error: stray '\240' in program
plusminus.cpp:8:1: error: stray '\302' in program
plusminus.cpp:8:1: error: stray '\240' in program
plusminus.cpp:8:1: error: stray '\302' in program
plusminus.cpp:8:1: error: stray '\240' in program
plusminus.cpp:9:1: error: stray '\302' in program
     in>>n;

 ^
plusminus.cpp:9:1: error: stray '\240' in program
plusminus.cpp:9:1: error: stray '\302' in program
plusminus.cpp:9:1: error: stray '\240' in program
plusminus.cpp:9:1: error: stray '\302' in program
plusminus.cpp:9:1: error: stray '\240' in program
plusminus.cpp:9:1: error: stray '\302' in program
plusminus.cpp:9:1: error: stray '\240' in program
plusminus.cpp:10:1: error: stray '\302' in program
     while(in>>x)

 ^
plusminus.cpp:10:1: error: stray '\240' in program
plusminus.cpp:10:1: error: stray '\302' in program
plusminus.cpp:10:1: error: stray '\240' in program
plusminus.cpp:10:1: error: stray '\302' in program
plusminus.cpp:10:1: error: stray '\240' in program
plusminus.cpp:10:1: error: stray '\302' in program
plusminus.cpp:10:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
       S+=x;

 ^
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:11:1: error: stray '\302' in program
plusminus.cpp:11:1: error: stray '\240' in program
plusminus.cpp:12:1: error: stray '\302' in program
     in.close();

 ^
plusminus.cpp:12:1: error: stray '\240' in program
plusminus.cpp:12:1: error: stray '\302' in program
plusminus.cpp:12:1: error: stray '\240' in program
plusminus.cpp:12:1: error: stray '\302' in program
plusminus.cpp:12:1: error: stray '\240' in program
plusminus.cpp:12:1: error: stray '\302' in program
plusminus.cpp:12:1: error: stray '\240' in program
plusminus.cpp:13:1: error: stray '\302' in program
     ofstream out("n_suma.out");

 ^
plusminus.cpp:13:1: error: stray '\240' in program
plusminus.cpp:13:1: error: stray '\302' in program
plusminus.cpp:13:1: error: stray '\240' in program
plusminus.cpp:13:1: error: stray '\302' in program
plusminus.cpp:13:1: error: stray '\240' in program
plusminus.cpp:13:1: error: stray '\302' in program
plusminus.cpp:13:1: error: stray '\240' in program
plusminus.cpp:13:1: error: stray '\302' in program
plusminus.cpp:13:1: error: stray '\240' in program
plusminus.cpp:14:1: error: stray '\302' in program
     out<<S;

 ^
plusminus.cpp:14:1: error: stray '\240' in program
plusminus.cpp:14:1: error: stray '\302' in program
plusminus.cpp:14:1: error: stray '\240' in program
plusminus.cpp:14:1: error: stray '\302' in program
plusminus.cpp:14:1: error: stray '\240' in program
plusminus.cpp:14:1: error: stray '\302' in program
plusminus.cpp:14:1: error: stray '\240' in program
plusminus.cpp:15:1: error: stray '\302' in program
     out.close();

 ^
plusminus.cpp:15:1: error: stray '\240' in program
plusminus.cpp:15:1: error: stray '\302' in program
plusminus.cpp:15:1: error: stray '\240' in program
plusminus.cpp:15:1: error: stray '\302' in program
plusminus.cpp:15:1: error: stray '\240' in program
plusminus.cpp:15:1: error: stray '\302' in program
plusminus.cpp:15:1: error: stray '\240' in program
plusminus.cpp:16:1: error: stray '\302' in program
 return 0;

 ^
plusminus.cpp:16:1: error: stray '\240' in program
plusminus.cpp: In function 'int main()':
plusminus.cpp:8:9: error: 'ifstream' was not declared in this scope
     ifstream in("n_suma.in");

         ^
plusminus.cpp:8:18: error: expected ';' before 'in'
     ifstream in("n_suma.in");

                  ^
plusminus.cpp:9:9: error: 'in' was not declared in this scope
     in>>n;

         ^
plusminus.cpp:13:9: error: 'ofstream' was not declared in this scope
     ofstream out("n_suma.out");

         ^
plusminus.cpp:13:19: error: expected ';' before 'out'
     ofstream out("n_suma.out");

                   ^
plusminus.cpp:14:9: error: 'out' was not declared in this scope
     out<<S;

         ^

Cum funcționează evaluarea?

www.pbinfo.ro permite evaluarea a două tipuri de probleme:

probleme la care rezolvarea presupune scrierea unui program complet
probleme la care rezolvarea presupune scrierea unei secvențe de program - câteva instrucțiuni, o listă de declarații, una sau mai multe funcții, etc.

Problema plusminus face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:

Programul sursă este compilat folosind compilatorul corespunzător. Dacă în urma compilării se obțin erori sau avertismente, acestea sunt afișate în această pagină.
Dacă programul a fost compilat, executabilul obținut va fi rulat, furnizându-i-se unul sau mai multe seturi de date de intrare, în concordanță cu restricțiile specifice problemei. Pentru fiecare set de date se obține un anumit punctaj, în raport cu corectitudinea soluției tale.

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.