比赛 |
20140711B班小测 |
评测结果 |
AAAAAAAAAAATTT |
题目名称 |
残酷的数学老师 |
最终得分 |
78 |
用户昵称 |
筽邝 |
运行时间 |
3.160 s |
代码语言 |
Pascal |
内存使用 |
0.24 MiB |
提交时间 |
2014-07-11 15:45:35 |
显示代码纯文本
program cojs934;
const
maxn=15010;
type
atype=array[1..maxn]of longint;
var
y,t:atype;
lent,leny,n,p:longint;
procedure mul(var a,b:atype;var lena,lenb:longint);
var
c:atype;
i,j,k,m,lenc:longint;
begin
fillchar(c,sizeof(c),0);
for i:=1 to lena do
for j:=1 to lenb do
begin
k:=i+j-1;
inc(c[k],a[i]*b[j]);
m:=c[k] div 10;
while m>0 do
begin
c[k]:=c[k] mod 10;
inc(k);
inc(c[k],m);
m:=c[k] div 10;
end;
end;
lenc:=lena+lenb;
while (c[lenc]=0)and(lenc>1) do dec(lenc);
lena:=lenc;
a:=c;
end;
procedure ksm(p:longint);
begin
while p<>0 do
begin
if p and 1=1 then mul(t,y,lent,leny);
mul(y,y,leny,leny);
p:=p shr 1;
end;
end;
procedure print;
var
i,count:longint;
begin
count:=0;
while (t[lent]=0)and(lent>1) do dec(lent);
for i:=lent downto 1 do
begin
inc(count);
write(t[i]);
if count mod 70=0 then writeln;
end;
end;
begin
assign(input,'cruel1.in');reset(input);
assign(output,'cruel1.out');rewrite(output);
readln(n,p);
t[1]:=1; lent:=1;
while n<>0 do
begin
inc(leny);
y[leny]:=n mod 10;
n:=n div 10;
end;
ksm(p);
print;
close(input);close(output);
end.