Compilare: main.cpp: In function 'void read()': main.cpp:18:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %lf", &n, &r); ^ main.cpp:21:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %lf", &x[i], &v[i]); ^ main.cpp: In function 'int main()': main.cpp:96:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bombe.in", "r", stdin); ^ main.cpp:97:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bombe.out", "w", stdout); ^