Compilare: user.cpp: In function ‘int main()’: user.cpp:18:10: warning: unused variable ‘m’ [-Wunused-variable] int n, m, h, dulap, c, i ; ^ user.cpp:20:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &c, &n ) ; ^ user.cpp:23:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &dulap, &h ) ; ^