Compilare: user.cpp: In function ‘int main()’: user.cpp:7:42: warning: unused variable ‘cst’ [-Wunused-variable] int p ,n ,x ,sunt=0 ,i ,minn=MAX+1 ,cst ,op; ^ user.cpp:10:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin ,"%d%d" ,&p ,&n); ^ user.cpp:13:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin ,"%d" ,&v[i]); ^ user.cpp:18:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin ,"%d" ,&x); ^ user.cpp:58:5: warning: ‘op’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(op==1) ^