Borderou de evaluare (job #856742)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:29:13: error: 'first' was not declared in this scope 29 | if (first != -1) { | ^~~~~ main.cpp:30:38: error: 'last' was not declared in this scope 30 | for (int i = first; i <= last; ++i) { | ^~~~ main.cpp:31:28: error: 'j' was not declared in this scope 31 | if (mat[i][j] == 'A') { fout << 0; return 0; } | ^ main.cpp: At global scope: main.cpp:36:5: error: 'fout' does not name a type 36 | fout << 1; | ^~~~ main.cpp:37:5: error: expected unqualified-id before 'return' 37 | return 0; | ^~~~~~ main.cpp:38:1: error: expected declaration before '}' token 38 | } | ^