Compilare: main.cpp: In function 'int main()': main.cpp:12:14: warning: unused variable 'j' [-Wunused-variable] int mx,i,j,a,k,p1,p2; ^ main.cpp:19:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&k); ^ main.cpp:24:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ main.cpp:32:14: warning: 'p2' may be used uninitialized in this function [-Wmaybe-uninitialized] a=mx-s[p2-k]; ~~^~ main.cpp:32:6: warning: 'mx' may be used uninitialized in this function [-Wmaybe-uninitialized] a=mx-s[p2-k]; ~^~~~~~~~~~~