Rezumat problemă

SPFractii

#390

Se dau 4 numere naturale a b c d, reprezentând fracțiile \(\frac{a}{b}\) și \(\frac{c}{d}\). Calculați suma și produsul celor două fracții, aduse la forma ireductibilă.

Consola Candale Silviu (silviu) Silviu Candale ușoară

Clasa 9 Algoritmi elementari Divizibilitate Algoritmul lui Euclid

Rezolvă

Detalii

Problema	SPFractii	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64510950	Utilizator	Tanase Mihai Calin (mihaicalintanase2026)
Fișier	spfractii.cpp	Dimensiune	496 B
Data încărcării	11 Mai 2026, 21:57	Scor/rezultat	Eroare de compilare

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Mesaj compilare

spfractii.cpp:3:5: error: cannot declare ‘::main’ to be a global variable
    3 | int main{
      |     ^~~~
spfractii.cpp:4:10: error: expected primary-expression before ‘int’
    4 |          int a,b,c,d,num,numi,cnum,cnumi,r;
      |          ^~~
spfractii.cpp:4:10: error: expected ‘}’ before ‘int’
spfractii.cpp:3:9: note: to match this ‘{’
    3 | int main{
      |         ^
spfractii.cpp:5:10: error: ‘cin’ does not name a type
    5 |          cin>>a>>b>>c>>d;
      |          ^~~
spfractii.cpp:6:10: error: ‘num’ does not name a type; did you mean ‘enum’?
    6 |          num=a*d+b*c;cnum=num;
      |          ^~~
      |          enum
spfractii.cpp:6:22: error: ‘cnum’ does not name a type; did you mean ‘enum’?
    6 |          num=a*d+b*c;cnum=num;
      |                      ^~~~
      |                      enum
spfractii.cpp:7:10: error: ‘numi’ does not name a type
    7 |          numi=b*d;cnumi=numi;
      |          ^~~~
spfractii.cpp:7:19: error: ‘cnumi’ does not name a type
    7 |          numi=b*d;cnumi=numi;
      |                   ^~~~~
spfractii.cpp:8:5: error: expected unqualified-id before ‘while’
    8 |     while(numi!=0)
      |     ^~~~~
spfractii.cpp:13:5: error: ‘cout’ does not name a type
   13 |     cout<<cnum/num<<" "<<cnumi/num<<endl;
      |     ^~~~
spfractii.cpp:15:5: error: ‘num’ does not name a type; did you mean ‘enum’?
   15 |     num=a*c;cnum=num;numi=b*d;cnumi=numi;
      |     ^~~
      |     enum
spfractii.cpp:15:13: error: ‘cnum’ does not name a type; did you mean ‘enum’?
   15 |     num=a*c;cnum=num;numi=b*d;cnumi=numi;
      |             ^~~~
      |             enum
spfractii.cpp:15:22: error: ‘numi’ does not name a type
   15 |     num=a*c;cnum=num;numi=b*d;cnumi=numi;
      |                      ^~~~
spfractii.cpp:15:31: error: ‘cnumi’ does not name a type
   15 |     num=a*c;cnum=num;numi=b*d;cnumi=numi;
      |                               ^~~~~
spfractii.cpp:16:5: error: expected unqualified-id before ‘while’
   16 |     while(numi!=0)
      |     ^~~~~
spfractii.cpp:21:5: error: ‘cout’ does not name a type
   21 |     cout<<cnum/num<<" "<<cnumi/num<<endl;
      |     ^~~~
spfractii.cpp:22:5: error: expected unqualified-id before ‘return’
   22 |     return 0;
      |     ^~~~~~
spfractii.cpp:24:1: error: expected declaration before ‘}’ token
   24 | }
      | ^

Cum funcționează evaluarea?