Compilare: main.cpp: In function 'int main()': main.cpp:56:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=] scanf("%d",n); ^ main.cpp:59:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=] scanf("%d",x); ^ main.cpp:53:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lsort.in","r",stdin); ^ main.cpp:54:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lsort.out","w",stdout); ^ main.cpp:56:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",n); ^ main.cpp:59:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",x); ^ main.cpp:59:22: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] scanf("%d",x); ^