Rezumat problemă

Kruskal

#592

Se dă un graf neorientat ponderat conex cu n vârfuri și m muchii – în care fiecare muchie are asociat un cost, număr natural strict pozitiv. Folosind algoritmul lui Kruskal, determinați un arbore parțial de cost minim.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Grafuri cu costuri Algoritmul lui Kruskal

Rezolvă

Detalii

Problema	Kruskal	Operații I/O	kruskal.in/kruskal.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64743664	Utilizator	Tugui Tiberiu (Tiberiu358)
Fișier	kruskal.cpp	Dimensiune	1.01 KB
Data încărcării	27 Mai 2026, 11:37	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

kruskal.cpp: In function ‘void apin()’:
kruskal.cpp:16:1: error: ‘u’ was not declared in this scope
   16 | u=e[ind].s;r=e[ind].d;
      | ^
kruskal.cpp:16:12: error: ‘r’ was not declared in this scope
   16 | u=e[ind].s;r=e[ind].d;
      |            ^
kruskal.cpp:17:27: error: ‘cu’ was not declared in this scope
   17 |                           cu=c[u];cv=c[v];
      |                           ^~
kruskal.cpp:17:30: error: ‘c’ was not declared in this scope
   17 |                           cu=c[u];cv=c[v];
      |                              ^
kruskal.cpp:17:35: error: ‘cv’ was not declared in this scope; did you mean ‘v’?
   17 |                           cu=c[u];cv=c[v];
      |                                   ^~
      |                                   v
kruskal.cpp:18:37: error: ‘mini’ was not declared in this scope
   18 |                           if(cu<cv){mini=cu;
      |                                     ^~~~
kruskal.cpp:19:37: error: ‘maxi’ was not declared in this scope
   19 |                                     maxi=cv;}
      |                                     ^~~~
kruskal.cpp:20:32: error: ‘mini’ was not declared in this scope
   20 |                           else{mini=cv;
      |                                ^~~~
kruskal.cpp:21:32: error: ‘maxi’ was not declared in this scope
   21 |                                maxi=cu;}
      |                                ^~~~
kruskal.cpp:22:32: error: ‘maxi’ was not declared in this scope
   22 | for (int i=1;i<=n;i++)if(v[i]==maxi)v[i]=mini;
      |                                ^~~~
kruskal.cpp:22:42: error: ‘mini’ was not declared in this scope
   22 | for (int i=1;i<=n;i++)if(v[i]==maxi)v[i]=mini;
      |                                          ^~~~
kruskal.cpp:25:37: error: invalid conversion from ‘int*’ to ‘int’ [-fpermissive]
   25 |                           rez[ms].d=v;
      |                                     ^
      |                                     |
      |                                     int*
kruskal.cpp:26:27: error: ‘cost’ was not declared in this scope; did you mean ‘const’?
   26 |                           cost+=e[ind].c;}
      |                           ^~~~
      |                           const
kruskal.cpp:27:7: error: ‘cost’ was not declared in this scope; did you mean ‘const’?
   27 | fout<<cost<<endl;
      |       ^~~~
      |       const
kruskal.cpp:28:17: error: ‘i’ was not declared in this scope
   28 |             for(i=1;i<=ms;i++)fout<<rez[i].s<<' '<<rez[i].d<<endl;}
      |                 ^
kruskal.cpp:13:28: warning: unused variable ‘k’ [-Wunused-variable]
   13 | void apin(){int ms=0,ind=0,k;
      |                            ^

Cum funcționează evaluarea?