Compilare: user.cpp: In function ‘int test(int, int, int*, int, int)’: user.cpp:47:23: warning: right operand of comma operator has no effect [-Wunused-value] return 1 + (I--, R, F, n, p); ^ user.cpp:47:26: warning: right operand of comma operator has no effect [-Wunused-value] return 1 + (I--, R, F, n, p); ^ user.cpp:47:29: warning: right operand of comma operator has no effect [-Wunused-value] return 1 + (I--, R, F, n, p); ^ user.cpp:31:6: warning: unused variable ‘i’ [-Wunused-variable] int i, nr = 0, ok; ^ user.cpp:31:9: warning: unused variable ‘nr’ [-Wunused-variable] int i, nr = 0, ok; ^ user.cpp: In function ‘int main()’: user.cpp:57:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &T); ^ user.cpp:60:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp:66:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp:72:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:77:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^