Eroare de compilare: user.cpp: In function ‘void cerc_ext(int, int, int)’: user.cpp:62:16: error: return-statement with a value, in function returning 'void' [-fpermissive] return 1; ^ user.cpp:63:12: error: return-statement with a value, in function returning 'void' [-fpermissive] return 0; ^ user.cpp: In function ‘void citire()’: user.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:22:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d\n", &a[i].x, &a[i].y, &a[i].r); ^ user.cpp: In function ‘int main()’: user.cpp:79:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.in", "r", stdin); ^ user.cpp:80:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.out", "w", stdout); ^