Compilare: user.cpp: In function ‘void finding(int, int)’: user.cpp:24:24: warning: operation on ‘m’ may be undefined [-Wsequence-point] sol[++m]=j+sol[m-1]; ^ user.cpp: In function ‘int main()’: user.cpp:30:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:31:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subset.in","r",stdin); ^ user.cpp:32:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subset.out","w",stdout); ^ user.cpp:33:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:37:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&p); ^