Compilare: main.cpp: In function 'int main()': main.cpp:51:13: warning: unused variable 'x' [-Wunused-variable] int n,i,x,l,sc,n1,j; ^ main.cpp:51:15: warning: unused variable 'l' [-Wunused-variable] int n,i,x,l,sc,n1,j; ^ main.cpp:51:17: warning: unused variable 'sc' [-Wunused-variable] int n,i,x,l,sc,n1,j; ^~ main.cpp:51:23: warning: unused variable 'j' [-Wunused-variable] int n,i,x,l,sc,n1,j; ^ main.cpp:49:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.in","r",stdin); ^ main.cpp:50:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("minim.out","w",stdout); ^ main.cpp:52:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:54:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^