Compilare: main.cpp: In function 'int main()': main.cpp:58:26: warning: unused variable 'j' [-Wunused-variable] int n,i,m,mm,c,pas,k,j,z,lg; ^ main.cpp:58:28: warning: unused variable 'z' [-Wunused-variable] int n,i,m,mm,c,pas,k,j,z,lg; ^ main.cpp:58:30: warning: unused variable 'lg' [-Wunused-variable] int n,i,m,mm,c,pas,k,j,z,lg; ^~ main.cpp:60:5: warning: label 'beginning' defined but not used [-Wunused-label] beginning: ^~~~~~~~~ main.cpp:77:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("hapsan.in","r",stdin); ^ main.cpp:78:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("hapsan.out","w",stdout); ^ main.cpp:79:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:81:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ main.cpp:82:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ main.cpp:84:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a[i].x,&a[i].y); ^