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Grupa II:

Aplicarea algoritmilor fundamentali in prelucrarea datelor. Grupa II: Cernoiu Theodor Croitoru Adriana Croitoru Ionuţ Dobrovie Robert Dogariu Alexandru Dogaru Florian. PROBLEMA. Se calculeaza numarul diagonalelor unui poligon cu n varfuri .

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Grupa II:

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  1. Aplicareaalgoritmilorfundamentali in prelucrareadatelor Grupa II: Cernoiu TheodorCroitoru AdrianaCroitoruIonuţDobrovie RobertDogariuAlexandruDogaruFlorian

  2. PROBLEMA • Se calculeazanumaruldiagonalelorunuipoligon cu n varfuri. • Caz particular: Sa se calculezenumaruldiagonalelorunuipoligon cu 12 varfuri.

  3. Pentrurezolvaresuntnecesare: • TeorieMatematica: Combinari • TeorieInformatica : Instrucţiunea decizională • Turbo C++ 4.5 • Microsoft PowerPoint

  4. Combinari ,sau Asadar, formula calculariidiagonalelorunuipoligon cu n varfurieste: n*(n-3)/2

  5. Instrucţiunea decizională Acestă instrucţiune are următoarele douăvariante: • a)if(expresie) instr_a • b)if(expresie) instr_a else instr_f

  6. Codulsursa • #include<iostream.h> • void main() • { int nr, n • cout<<“numarul de varfuri=“; • cin>>n; if(n>2) • nr=(n*(n-3)/2); else cout<<“maiincearca”; Cout<<“numaruldiagonalelor =“<<nr; }

  7. Rezolvarecaz particular • n=12 => nr =12*(12-3)/2 nr = 54

  8. Echipa care a realizatacestproiect: Problema:Cernoiu Theodor Dogariu Alexandru Teoria Informatica:Croitoru Ionut Dobrovie Robert Teorie Matematica:Croitoru Adriana Dogaru Florian

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