Eroare de compilare: user.cpp:66:2: warning: no newline at end of file user.cpp: In function 'void init_matrix()': user.cpp:10: error: 'A' was not declared in this scope user.cpp:14: error: expected primary-expression before '=' token user.cpp:16: error: 'A2' was not declared in this scope user.cpp: In function 'void pow_matrix(int (*)[4], int, int)': user.cpp:39: error: 'A' was not declared in this scope user.cpp:39: error: 'mult' was not declared in this scope user.cpp:40: error: 'mult' was not declared in this scope user.cpp: In function 'int solve()': user.cpp:46: error: 'll' was not declared in this scope user.cpp:46: error: expected `;' before 'int' user.cpp:47: error: 'A2' was not declared in this scope user.cpp:48: error: 'ans' was not declared in this scope user.cpp:48: error: 'A' was not declared in this scope user.cpp: In function 'int main()': user.cpp:54: error: expected `;' before ':' token user.cpp:57: error: 't' was not declared in this scope