Compilare: user.cpp: In function ‘int main()’: user.cpp:84:25: warning: unused variable ‘mx’ [-Wunused-variable] for (int i = 1, mx = 0; i <= n; ++i) ^~ user.cpp:54:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &p, &n, &m); ^ user.cpp:59:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c", &aux); ^