Compilare: user.cpp: In function ‘int main()’: user.cpp:12:9: warning: unused variable ‘first’ [-Wunused-variable] int first, last, rez = -1, indmin; ^ user.cpp:9:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:15:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &elem); ^ user.cpp:12:32: warning: ‘indmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] int first, last, rez = -1, indmin; ^