Compilare: main.cpp: In function 'int main()': main.cpp:17:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("permutari3.in","r",stdin); ^ main.cpp:18:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("permutari3.out","w",stdout); ^ main.cpp:20:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:22:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i].val); ^ main.cpp:29:10: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=poz-1;i>=1;i--) ~^~~~~~