Compilare: user.cpp: In function ‘int main()’: user.cpp:52:61: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘double*’ [-Wformat=] scanf("%d %d %d", &fence[i].x, &fence[i].y, &fence[i].dist); ^ user.cpp:52:61: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double*’ [-Wformat=] user.cpp:46:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("../mosia.in", "r", stdin); ^ user.cpp:47:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("../mosia.out", "w", stdout); ^ user.cpp:49:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:52:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &fence[i].x, &fence[i].y, &fence[i].dist); ^