#588
Dijkstra
Se dă un graf orientat ponderat – în care fiecare arc are asociat un cost, număr natural strict pozitiv, și un nod p
. Să se determine, folosind algoritmul lui Dijkstra, costul minim al drumului de la p
la fiecare nod al grafului.
Problema | Dijkstra | Operații I/O |
dijkstra.in /dijkstra.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #42536852 | Utilizator | |
Fișier | dijkstra.cpp | Dimensiune | 945 B |
Data încărcării | 09 Martie 2023, 13:08 | Scor / rezultat | Eroare de compilare |
dijkstra.cpp:6:35: error: conflicting declaration 'int f [105]' int n, p, pmax, d[105][105], f[105], d[105], t[105]; ^ dijkstra.cpp:4:10: error: 'f' has a previous declaration as 'std::ifstream f' ifstream f("dijkstra.in"); ^ dijkstra.cpp:6:43: error: conflicting declaration 'int d [105]' int n, p, pmax, d[105][105], f[105], d[105], t[105]; ^ dijkstra.cpp:6:17: error: 'd' has a previous declaration as 'int d [105][105]' int n, p, pmax, d[105][105], f[105], d[105], t[105]; ^ dijkstra.cpp: In function 'int main()': dijkstra.cpp:15:17: warning: unused variable 'a' [-Wunused-variable] int a = x; ^ dijkstra.cpp:16:17: warning: unused variable 'b' [-Wunused-variable] int b = y; ^ dijkstra.cpp:17:17: warning: unused variable 'c' [-Wunused-variable] int c = z; ^ dijkstra.cpp:21:9: error: 'i' was not declared in this scope for(i = 1 ; i <= n ; i ++ ) ^ dijkstra.cpp:24:16: error: 'a' was not declared in this scope d[i] = a[s][i]; ^ dijkstra.cpp:24:18: error: 's' was not declared in this scope d[i] = a[s][i]; ^ dijkstra.cpp:27:7: error: 's' was not declared in this scope f[s] = 1; ^ dijkstra.cpp:29:12: error: 'INFINIT' was not declared in this scope d[0] = INFINIT; ^ dijkstra.cpp:33:13: error: 'i' was not declared in this scope for(i = 1; i <= n; ++i) ^ dijkstra.cpp:40:4: error: no match for 'operator[]' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f[pmax] = 1; ^ dijkstra.cpp:41:7: error: 'i' was not declared in this scope for(i = 1; i <= n; ++i) ^ dijkstra.cpp:42:37: error: 'a' was not declared in this scope if(f[i] == 0 && d[i] > d[pmax] + a[pmax][i]) ^ dijkstra.cpp: At global scope: dijkstra.cpp:46:5: error: expected unqualified-id before 'for' for(int i = 1; i <= n; i++) ^ dijkstra.cpp:46:20: error: 'i' does not name a type for(int i = 1; i <= n; i++) ^ dijkstra.cpp:46:28: error: 'i' does not name a type for(int i = 1; i <= n; i++) ^ dijkstra.cpp:49:1: error: expected declaration before '}' token } ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Dijkstra 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.