Compilare: user.cpp: In function ‘void write()’: user.cpp:81:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] printf("%d %d\n", i, ans[i]); ^ user.cpp: In function ‘void read()’: user.cpp:12:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("robotei.in", "r", stdin); ^ user.cpp:13:81: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d %d %d", &n, &m, &X, &Y, &modx, &mody, &offx, &offy); ^ user.cpp: In function ‘void write()’: user.cpp:77:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("robotei.out", "w", stdout); ^