Compilare: user.cpp: In function ‘int main()’: user.cpp:35:9: warning: unused variable ‘line’ [-Wunused-variable] int line, aux, aux1, lg; ^ user.cpp:35:15: warning: unused variable ‘aux’ [-Wunused-variable] int line, aux, aux1, lg; ^ user.cpp:35:20: warning: unused variable ‘aux1’ [-Wunused-variable] int line, aux, aux1, lg; ^ user.cpp:35:26: warning: unused variable ‘lg’ [-Wunused-variable] int line, aux, aux1, lg; ^ user.cpp:32:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("smax.in","r",stdin); ^ user.cpp:33:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("smax.out","w",stdout); ^ user.cpp:37:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:40:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&d); ^ user.cpp:43:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^