Compilare: user.cpp: In function ‘int main()’: user.cpp:58:11: warning: unused variable ‘sca’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:17: warning: unused variable ‘scb’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:23: warning: unused variable ‘sda’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:29: warning: unused variable ‘sdb’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:35: warning: unused variable ‘oka’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:41: warning: unused variable ‘okb’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:47: warning: unused variable ‘pa’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:58:50: warning: unused variable ‘pb’ [-Wunused-variable] int i,sca=1,scb=1,sda=1,sdb=1,oka=1,okb=1,pa,pb; ^ user.cpp:61:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:63:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i]); ^ user.cpp:66:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&b[i]); ^