Compilare: user.cpp: In function ‘void rucsacfraier()’: user.cpp:12:24: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(vr[i-g[k]]+v[k]>max1) if(prins[i-g[k]][k]==0){max1=vr[i-g[k]]+v[k]; ^ user.cpp: In function ‘int main()’: user.cpp:26:34: 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:27:36: 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:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&g1); ^ user.cpp:30:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&g[i],&v[i]); ^