Compilare: user.cpp: In function ‘int main()’: user.cpp:21:13: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(ap[j-greutate[i]]==0) ^~ user.cpp:23:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ ap[j]=1; ^~ user.cpp:11:35: 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:12:37: 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:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&n,&g); ^ user.cpp:15:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&greutate[i],&profit[i]); ^