Compilare: user.cpp: In function ‘void atac_brut()’: user.cpp:36:9: warning: unused variable ‘sol’ [-Wunused-variable] int sol=0; ^ user.cpp: In function ‘int caut(int)’: user.cpp:41:16: warning: variable ‘j’ set but not used [-Wunused-but-set-variable] int mij,st,dr,j; ^ user.cpp: In function ‘int main()’: user.cpp:55:15: warning: unused variable ‘big’ [-Wunused-variable] int i,x,q,big; ^ user.cpp:56:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secvmax.in","r",stdin); ^ user.cpp:57:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secvmax.out","w",stdout); ^ user.cpp:58:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&q); ^ user.cpp:59:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i = 1; i<=n;i++) scanf("%d",&a[i]); ^ user.cpp:62:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp: In function ‘int caut(int)’: user.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^