#335
Expresie3
Să se scrie un program care citește numărul natural n
și determină suma S=1*2-2*3+3*4-...±n*(n+1)
.
Problema | Expresie3 | Operații I/O | tastatură/ecran |
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #23104326 | Utilizator | |
Fișier | expresie3.cpp | Dimensiune | 265 B |
Data încărcării | 24 Mai 2020, 02:27 | Scor / rezultat | Eroare de compilare |
expresie3.cpp:9:1: error: stray '\302' in program long int n, S=0,i; ^ expresie3.cpp:9:1: error: stray '\240' in program expresie3.cpp:9:1: error: stray '\302' in program expresie3.cpp:9:1: error: stray '\240' in program expresie3.cpp:11:1: error: stray '\302' in program cin >> n; ^ expresie3.cpp:11:1: error: stray '\240' in program expresie3.cpp:11:1: error: stray '\302' in program expresie3.cpp:11:1: error: stray '\240' in program expresie3.cpp:13:1: error: stray '\302' in program for (i=1; i<=n; ++i) ^ expresie3.cpp:13:1: error: stray '\240' in program expresie3.cpp:13:1: error: stray '\302' in program expresie3.cpp:13:1: error: stray '\240' in program expresie3.cpp:15:1: error: stray '\302' in program if (i%2) S+=i * (i+1); ^ expresie3.cpp:15:1: error: stray '\240' in program expresie3.cpp:15:1: error: stray '\302' in program expresie3.cpp:15:1: error: stray '\240' in program expresie3.cpp:15:1: error: stray '\302' in program expresie3.cpp:15:1: error: stray '\240' in program expresie3.cpp:15:1: error: stray '\302' in program expresie3.cpp:15:1: error: stray '\240' in program expresie3.cpp:17:1: error: stray '\302' in program else S = S - i * (i+1); ^ expresie3.cpp:17:1: error: stray '\240' in program expresie3.cpp:17:1: error: stray '\302' in program expresie3.cpp:17:1: error: stray '\240' in program expresie3.cpp:17:1: error: stray '\302' in program expresie3.cpp:17:1: error: stray '\240' in program expresie3.cpp:17:1: error: stray '\302' in program expresie3.cpp:17:1: error: stray '\240' in program expresie3.cpp:19:1: error: stray '\302' in program cout << "Rezultatul este " << S << endl; ^ expresie3.cpp:19:1: error: stray '\240' in program expresie3.cpp:19:1: error: stray '\302' in program expresie3.cpp:19:1: error: stray '\240' in program
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Expresie3 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.