Compilare: user.cpp: In function ‘int main()’: user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("concurs2.in","r",stdin); ^ user.cpp:12:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("concurs2.out","w",stdout); ^ user.cpp:14:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:17:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&j,&e); ^ user.cpp:56:22: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] l[poz2][0]--; ^ user.cpp:49:49: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d\n",poz1,l[poz1][l[poz1][0]]); ^