Compilare: user.cpp: In function ‘int main()’: user.cpp:113: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:114: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:116: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:119: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘bool my_function2(timbru, timbru)’: user.cpp:38: warning: control reaches end of non-void function user.cpp: In function ‘bool my_function(timbru, timbru)’: user.cpp:26: warning: control reaches end of non-void function user.cpp: In function ‘int find_min_cost_f1(int, int, int)’: user.cpp:59: warning: ‘poz’ may be used uninitialized in this function