Compilare: user.cpp: In function ‘int main()’: user.cpp:61:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.in","r",stdin); ^ user.cpp:62:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cautbin.out","w",stdout); ^ user.cpp:63:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&n); ^ user.cpp:64:41: 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]); ^ user.cpp:65:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ",&tot); ^ user.cpp:68:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ",&cer,&x); ^ user.cpp: In function ‘int caut0(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 caut1(int, int, int)’: user.cpp:40:12: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^ user.cpp: In function ‘int caut2(int, int, int)’: user.cpp:57:13: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^ user.cpp: In function ‘int main()’: user.cpp:20:13: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(v[poz]==val) ^ user.cpp:8:9: note: ‘poz’ was declared here int poz; ^