Compilare: user.cpp: In function ‘int main()’: user.cpp:44:6: warning: unused variable ‘profit’ [-Wunused-variable] int profit [ MAXLEN ] = {10, 30, 20}; ^ user.cpp:45:6: warning: unused variable ‘weight’ [-Wunused-variable] int weight [ MAXLEN ] = { 3, 5, 6}; ^ user.cpp:48:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d %d %d %d", &n, &m, &s, &f ); ^ user.cpp:53:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &p [ oras ] [ prod ] ); ^