Eroare de compilare: main.cpp: In function 'int main()': main.cpp:24:1: error: 'a' was not declared in this scope 24 | a | ^ main.cpp:25:15: warning: statement has no effect [-Wunused-value] 25 | for (i=1;i<=d;i++) | ~^~~ main.cpp:25:22: error: expected ';' before ')' token 25 | for (i=1;i<=d;i++) | ^ | ; Non zero exit status: 1