Pascal вычислить сумму 1^4+2^4+...+N^4 (while, repeat until или For)
Program al; var n,i,s:integer; begin writeln('vvedite n ='); readln(n); s:=0; for i := 1 to n do s:=s+sqr(i)*sqr(i); writeln ('s=',s); readln; end.