Compilare: user.cpp: In function ‘int main()’: user.cpp:16:15: warning: unused variable ‘last’ [-Wunused-variable] int n,i,c,last=0,sumcur=0,o,ne,max=0; ^ user.cpp:16:22: warning: unused variable ‘sumcur’ [-Wunused-variable] int n,i,c,last=0,sumcur=0,o,ne,max=0; ^ user.cpp:18:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&c); ^ user.cpp:21:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&a[i],&b[i]); ^