#590
Prim
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 Prim, determinați un arbore parțial de cost minim, cu rădăcina în vârful 1
.
Problema | Prim | Operații I/O |
prim.in /prim.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #38565222 | Utilizator | |
Fișier | prim.cpp | Dimensiune | 941 B |
Data încărcării | 13 Octombrie 2022, 12:34 | Scor / rezultat | Eroare de compilare |
prim.cpp:48:17: warning: multi-character character constant [-Wmultichar] cout<<cost<<'/n'; ^ prim.cpp:6:1: error: expected ',' or ';' before 'ofstream' ofstream cout("prim.out") ^ prim.cpp: In function 'void citire()': prim.cpp:13:10: error: 'n' was not declared in this scope cin>>n>>m; ^ prim.cpp:13:13: error: 'm' was not declared in this scope cin>>n>>m; ^ prim.cpp:17:9: error: 'G' was not declared in this scope G[x][y]=G[y][x]=c; ^ prim.cpp: In function 'void alg_prim()': prim.cpp:24:9: error: 'm' was not declared in this scope for(m=1; m<=n-1; m++){ ^ prim.cpp:24:17: error: 'n' was not declared in this scope for(m=1; m<=n-1; m++){ ^ prim.cpp:26:12: error: 'viz' was not declared in this scope if(viz[i]) ^ prim.cpp:31:20: error: 'G' was not declared in this scope if(G[i][j] && G[i][j]<minc && !viz[j]) ^ prim.cpp:35:21: error: 'y' was not declared in this scope y=i; ^ prim.cpp:39:5: error: 'cost' was not declared in this scope cost+=minc; ^ prim.cpp:40:5: error: 'viz' was not declared in this scope viz[x]=y; ^ prim.cpp:40:12: error: 'y' was not declared in this scope viz[x]=y; ^ prim.cpp:23:15: warning: unused variable 'i' [-Wunused-variable] int minc, i, j, x; ^ prim.cpp:23:18: warning: unused variable 'j' [-Wunused-variable] int minc, i, j, x; ^ prim.cpp: In function 'int main()': prim.cpp:46:5: error: 'viz' was not declared in this scope viz[1]=1; ^ prim.cpp:48:5: error: 'cout' was not declared in this scope cout<<cost<<'/n'; ^ prim.cpp:48:11: error: 'cost' was not declared in this scope cout<<cost<<'/n'; ^ prim.cpp:50:23: error: 'n' was not declared in this scope for(int ii=2; ii<=n; ii++) ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Prim 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.