#592
Kruskal
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.
Problema | Kruskal | Operații I/O |
kruskal.in /kruskal.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #29233834 | Utilizator | |
Fișier | kruskal.c | Dimensiune | 1.22 KB |
Data încărcării | 09 Aprilie 2021, 16:40 | Scor / rezultat | Eroare de compilare |
kruskal.c: In function 'main': kruskal.c:16:2: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 0; i < m; i++) { ^ kruskal.c:16:2: note: use option -std=c99 or -std=gnu99 to compile your code kruskal.c:20:11: error: redefinition of 'i' for (int i = 0; i < m - 1; i++) { ^ kruskal.c:16:11: note: previous definition of 'i' was here for (int i = 0; i < m; i++) { ^ kruskal.c:20:2: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 0; i < m - 1; i++) { ^ kruskal.c:21:3: error: 'for' loop initial declarations are only allowed in C99 mode for(int j=i+1;j<m;j++) ^ kruskal.c:32:11: error: redefinition of 'i' for (int i = 1; i <= n; ++i) ^ kruskal.c:20:11: note: previous definition of 'i' was here for (int i = 0; i < m - 1; i++) { ^ kruskal.c:32:2: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 1; i <= n; ++i) ^ kruskal.c:38:11: error: redefinition of 'i' for (int i = 0; i < m && count < n; i++) { ^ kruskal.c:32:11: note: previous definition of 'i' was here for (int i = 1; i <= n; ++i) ^ kruskal.c:38:2: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 0; i < m && count < n; i++) { ^ kruskal.c:43:4: error: 'for' loop initial declarations are only allowed in C99 mode for (int j = 1; j <= n; j++) ^ kruskal.c:53:11: error: redefinition of 'i' for (int i = 0; i < count-1; i++) ^ kruskal.c:38:11: note: previous definition of 'i' was here for (int i = 0; i < m && count < n; i++) { ^ kruskal.c:53:2: error: 'for' loop initial declarations are only allowed in C99 mode for (int i = 0; i < count-1; i++) ^ kruskal.c:57:2: warning: implicit declaration of function '_fcloseall' [-Wimplicit-function-declaration] _fcloseall(); ^ kruskal.c:12:8: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d", &n, &m); ^ kruskal.c:17:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d", &x[i].a, &x[i].b, &x[i].cost); ^ kruskal.c:58:1: warning: control reaches end of non-void function [-Wreturn-type] } ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Kruskal 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.