Compilare: user.cpp: In function ‘int main()’: user.cpp:62:11: warning: unused variable ‘st’ [-Wunused-variable] int i,st,dr,mij,m,mod,x; ^ user.cpp:62:14: warning: unused variable ‘dr’ [-Wunused-variable] int i,st,dr,mij,m,mod,x; ^ user.cpp:62:17: warning: unused variable ‘mij’ [-Wunused-variable] int i,st,dr,mij,m,mod,x; ^ user.cpp:60:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in","r",stdin); ^ user.cpp:61:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out","w",stdout); ^ user.cpp:63:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:65:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:66:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:69:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&mod,&x); ^ user.cpp: In function ‘int binary1(int)’: user.cpp:38:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘int binary2(int)’: user.cpp:55:12: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^