Compilare: user.cpp: In function ‘void gen()’: user.cpp:18:19: warning: unused variable ‘u’ [-Wunused-variable] int x=1, l=1, u=0, c=9; ^ user.cpp: In function ‘int main()’: user.cpp:57:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("numere8.in", "r", stdin); ^ user.cpp:58:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nr.out", "w", stdout); ^ user.cpp:60:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &b[i]); ^ user.cpp:63:31: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nr=0, smax = 0, poz1, poz2; ^ user.cpp:63:25: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] int nr=0, smax = 0, poz1, poz2; ^