Compilare: user.cpp: In function ‘int main()’: user.cpp:11:36: warning: unused variable ‘cr’ [-Wunused-variable] int n, r, pas, i, m, tip, val, cr, cv; ^ user.cpp:11:40: warning: unused variable ‘cv’ [-Wunused-variable] int n, r, pas, i, m, tip, val, cr, cv; ^ user.cpp:14:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d\n", &n); ^ user.cpp:16:34: 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:17:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "\n%d\n", &m); ^ user.cpp:20:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &tip, &val); ^