Eroare de compilare: main.cpp:2:12: error: 'vector' does not name a type 2 | #define vi vector<int> | ^~~~~~ main.cpp:12:1: note: in expansion of macro 'vi' 12 | vi line(NMAX, 1); | ^~ main.cpp:2:12: error: 'vector' does not name a type 2 | #define vi vector<int> | ^~~~~~ main.cpp:13:1: note: in expansion of macro 'vi' 13 | vi column(NMAX, 1); | ^~ main.cpp:2:12: error: 'vector' does not name a type 2 | #define vi vector<int> | ^~~~~~ main.cpp:14:1: note: in expansion of macro 'vi' 14 | vi diag(NMAX, 1); | ^~ main.cpp:2:12: error: 'vector' does not name a type 2 | #define vi vector<int> | ^~~~~~ main.cpp:15:1: note: in expansion of macro 'vi' 15 | vi diag_sec(NMAX, 1); | ^~ main.cpp:2:12: error: 'vector' does not name a type 2 | #define vi vector<int> | ^~~~~~ main.cpp:16:1: note: in expansion of macro 'vi' 16 | vi solution; | ^~ main.cpp: In function 'bool check_free(int, int)': main.cpp:19:12: error: 'line' was not declared in this scope 19 | return line[x] && column[y] && diag[x - y + n] && diag_sec[x + y]; | ^~~~ main.cpp:19:23: error: 'column' was not declared in this scope 19 | return line[x] && column[y] && diag[x - y + n] && diag_sec[x + y]; | ^~~~~~ main.cpp:19:36: error: 'diag' was not declared in this scope 19 | return line[x] && column[y] && diag[x - y + n] && diag_sec[x + y]; | ^~~~ main.cpp:19:55: error: 'diag_sec' was not declared in this scope 19 | return line[x] && column[y] && diag[x - y + n] && diag_sec[x + y]; | ^~~~~~~~ main.cpp: At global scope: main.cpp:22:6: error: variable or field 'backt' declared void 22 | void backt(vi solution, int k) { | ^~~~~ main.cpp:2:12: error: 'vector' was not declared in this scope 2 | #define vi vector<int> | ^~~~~~ Non zero exit status: 1