Main.cc: In function ‘int main()’: Main.cc:6:5: error: ‘fooat’ was not declared in this scope fooat temp,a[MAXN]; ^~~~~ Main.cc:6:5: note: suggested alternative: ‘float’ fooat temp,a[MAXN]; ^~~~~ float Main.cc:8:9: error: ‘i’ was not declared in this scope for(i=1;i<=n;i++) ^ Main.cc:8:16: error: ‘n’ was not declared in this scope for(i=1;i<=n;i++) ^ Main.cc:10:9: error: ‘j’ was not declared in this scope for(j=i;j<=i;j++) ^ Main.cc:10:11: error: ‘i’ was not declared in this scope for(j=i;j<=i;j++) ^ Main.cc:12:5: error: ‘temp’ was not declared in this scope temp=a[i];a[i]=a[k];a[k]=temp; ^~~~ Main.cc:12:5: note: suggested alternative: ‘mktemp’ temp=a[i];a[i]=a[k];a[k]=temp; ^~~~ mktemp Main.cc:12:12: error: ‘i’ was not declared in this scope temp=a[i];a[i]=a[k];a[k]=temp; ^ Main.cc:12:22: error: ‘k’ was not declared in this scope temp=a[i];a[i]=a[k];a[k]=temp; ^