#4153
Se dă lista arcelor unui graf orientat. Să se determine nodurile care au gradul exterior mai mic decât gradul interior.
| Problema | Grade3 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64089526 | Utilizator | |
| Fișier | grade3.cpp | Dimensiune | 677 B |
| Data încărcării | 16 Aprilie 2026, 12:49 | Scor/rezultat | Eroare de compilare |
grade3.cpp: In function ‘int main()’: grade3.cpp:19:16: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 19 | if(a[i][j]==1 s1++; | ^ grade3.cpp:19:26: error: expected ‘;’ before ‘s1’ 19 | if(a[i][j]==1 s1++; | ^~~ | ; grade3.cpp:19:23: warning: statement has no effect [-Wunused-value] 19 | if(a[i][j]==1 s1++; | ~~~~~~~^~~ grade3.cpp:20:13: error: expected primary-expression before ‘if’ 20 | if(a[j][i]==1 s2++; | ^~ grade3.cpp:19:32: error: expected ‘)’ before ‘if’ 19 | if(a[i][j]==1 s1++; | ~ ^ | ) 20 | if(a[j][i]==1 s2++; | ~~ grade3.cpp:27:12: error: lvalue required as left operand of assignment 27 | s1=0=s2=0; | ^ grade3.cpp:31:16: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions] 31 | if(a[i][j]==1 s1++; | ^ grade3.cpp:31:18: error: ‘i’ was not declared in this scope 31 | if(a[i][j]==1 s1++; | ^ grade3.cpp:32:13: error: expected primary-expression before ‘if’ 32 | if(a[j][i]==1 s2++; | ^~ grade3.cpp:31:32: error: expected ‘)’ before ‘if’ 31 | if(a[i][j]==1 s1++; | ~ ^ | ) 32 | if(a[j][i]==1 s2++; | ~~ grade3.cpp:34:25: error: ‘i’ was not declared in this scope 34 | if(s1<s2) cout<<i<<" "; | ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Grade3 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.