Compilare: user.cpp: In function ‘void citire()’: user.cpp:30:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %lf", &cerinta, &n, &k); ^ user.cpp:34:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &t[i].p[j].x, &t[i].p[j].y); ^ user.cpp: In function ‘int main()’: user.cpp:160:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elicoptere.in", "r", stdin); ^ user.cpp:161:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elicoptere.out", "w", stdout); ^