Compilare: user.cpp: In function ‘int main()’: user.cpp:48:19: warning: unused variable ‘poz’ [-Wunused-variable] int n,nrc,c,r,poz; ^ user.cpp: In function ‘int search1(int, int, int)’: user.cpp:31:2: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int search2(int, int, int)’: user.cpp:43:2: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:49:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:51:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&a[i]); ^ user.cpp:52:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&nrc); ^ user.cpp:55:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&c,&r); ^