Compilare: user.cpp: In function ‘int main()’: user.cpp:74:19: warning: unused variable ‘st’ [-Wunused-variable] int n,i,x,m,a,st=0,dr=0,mij=0; ^ user.cpp:74:24: warning: unused variable ‘dr’ [-Wunused-variable] int n,i,x,m,a,st=0,dr=0,mij=0; ^ user.cpp:74:29: warning: unused variable ‘mij’ [-Wunused-variable] int n,i,x,m,a,st=0,dr=0,mij=0; ^ user.cpp: In function ‘int b2(int*, int, int)’: user.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:77:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%d",&n); ^ user.cpp:80:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%d",&v[i]); ^ user.cpp:82:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%d",&m); ^ user.cpp:85:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(intrare,"%d%d",&a,&x); ^