Compilare: user.cpp: In function ‘int solve(int)’: user.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:41:15: warning: unused variable ‘j’ [-Wunused-variable] int i,a,b,j; ^ user.cpp:49:9: warning: unused variable ‘nod’ [-Wunused-variable] int nod,boss; ^ user.cpp:39:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri2.in","r",stdin); ^ user.cpp:40:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("iepuri2.out","w",stdout); ^ user.cpp:49:13: warning: ‘boss’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nod,boss; ^