Compilare: user.cpp: In function ‘int main()’: user.cpp:9:28: warning: unused variable ‘poz’ [-Wunused-variable] int n,g,w,p,maxdr=0,maxp,poz=0,s,i,j; ^ user.cpp:9:34: warning: unused variable ‘s’ [-Wunused-variable] int n,g,w,p,maxdr=0,maxp,poz=0,s,i,j; ^ user.cpp:7:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rucsac.in","r",stdin); ^ user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rucsac.out","w",stdout); ^ user.cpp:12:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&g); ^ user.cpp:16:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&w,&p); ^