Borderou de evaluare (job #805522)

Compilare: main.cpp: In function 'int main()': main.cpp:4:19: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 4 | int main(){freopen("sume.in","r",stdin);freopen("sume.out","w",stdout);cin>>n>>k;int a[n];for (int i=0;i<n;i++){cin>>a[i];}sort(a, a+n, comp);ll suma1,suma2;suma1=suma2=0; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:4:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 4 | int main(){freopen("sume.in","r",stdin);freopen("sume.out","w",stdout);cin>>n>>k;int a[n];for (int i=0;i<n;i++){cin>>a[i];}sort(a, a+n, comp);ll suma1,suma2;suma1=suma2=0; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~