Compilare: main.cpp: In function 'int main()': main.cpp:39:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("parcele1.in","r",stdin); ^ main.cpp:40:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("parcele1.out","w",stdout); ^ main.cpp:42:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d",&n,&m,&p); ^ main.cpp:46:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&a[i][j]); ^ main.cpp: In function 'void bkt(int)': main.cpp:27:29: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] nr++; ^