Compilare: user.cpp: In function ‘int main()’: user.cpp:82:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘double*’ [-Wformat=] scanf("%d%d", &x, &y); ^ user.cpp:82:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double*’ [-Wformat=] user.cpp:84:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘double*’ [-Wformat=] scanf("%d%d", &x, &y); ^ user.cpp:84:29: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double*’ [-Wformat=] user.cpp:77:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometry.in", "r", stdin); ^ user.cpp:78:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometry.out", "w", stdout); ^ user.cpp:79:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:82:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^ user.cpp:84:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^