Compilare: main.cpp: In function 'int main()': main.cpp:48:33: warning: format '%f' expects argument of type 'float*', but argument 2 has type 'double*' [-Wformat=] scanf("%f%f",&a[i],&b[i]); ^ main.cpp:48:33: warning: format '%f' expects argument of type 'float*', but argument 3 has type 'double*' [-Wformat=] main.cpp:42:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poligon2.in","r",stdin); ^ main.cpp:43:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poligon2.out","w",stdout); ^ main.cpp:45:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:48:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%f%f",&a[i],&b[i]); ^