Compilare: user.cpp: In function ‘int leaga(int)’: user.cpp:36:9: warning: unused variable ‘ok’ [-Wunused-variable] int ok = 0; ^ user.cpp: In function ‘int cate(int, int, int)’: user.cpp:55:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (st == dr) if (leg[st] < x) return 1; ^ user.cpp: In function ‘int main()’: user.cpp:74:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("compunere.in","r",stdin); ^ user.cpp:75:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("compunere.out","w",stdout); ^ user.cpp:76:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:79:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i]); ^ user.cpp:85:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&b[i]); ^