Compilare: user.cpp: In function ‘int main()’: user.cpp:38:12: warning: unused variable ‘m’ [-Wunused-variable] int n, m, i, j, k, x, y, s, t, d, maxi, indi; ^ user.cpp:38:27: warning: unused variable ‘y’ [-Wunused-variable] int n, m, i, j, k, x, y, s, t, d, maxi, indi; ^ user.cpp:38:30: warning: unused variable ‘s’ [-Wunused-variable] int n, m, i, j, k, x, y, s, t, d, maxi, indi; ^ user.cpp:38:33: warning: unused variable ‘t’ [-Wunused-variable] int n, m, i, j, k, x, y, s, t, d, maxi, indi; ^ user.cpp:38:36: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, k, x, y, s, t, d, maxi, indi; ^ user.cpp:35:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cuburi5.in","r",stdin); ^ user.cpp:36:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cuburi5.out","w",stdout); ^ user.cpp:40:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:43:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^