Compilare: user.cpp: In function ‘int main()’: user.cpp:2:24: warning: integer overflow in expression [-Woverflow] #define INF ((1<<31) - 100); ^ user.cpp:22:8: note: in expansion of macro ‘INF’ s[i]=INF; ^ user.cpp:27:5: warning: unused variable ‘ok’ [-Wunused-variable] int ok=1; ^ user.cpp:11:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.cpp:21:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[v[0]]); ^