Compilare: user.cpp: In function ‘int main()’: user.cpp:26:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmmdc2.in","r",stdin); ^ user.cpp:27:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmmdc2.out","w",stdout); ^ user.cpp:28:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:29:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) {scanf("%d",&v[i]);if(v[i]>max1) max1=v[i];ap[v[i]]++;} ^ user.cpp: In function ‘int caut(int, int, int)’: user.cpp:20:13: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[poz]==val) ^ user.cpp: In function ‘int main()’: user.cpp:20:13: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:8:13: note: ‘poz’ was declared here int mij,poz; ^