百度NOIP吧编程挑战赛 标程
文章目录
第一题
program crack;
type
node=record
data:string;
cost:longint;
end;
arr=array[1..50000] of node;
var a:arr;
n,m:longint;
table:array[97..122] of integer=(4,2,5,6,1,4,5,6,7,2,3,4,8,9,3,1,2,6,8,9,2,6,3,2,5,7);
procedure print;
var i:longint;
begin
for i:=1 to m do
writeln(a[i].data,' ',a[i].cost);
end;
function max(s1,s2:string):boolean;
var i:longint;
begin
if length(s1)>length(s2) then exit(true) else
if length(s1)ord(s2[i]) then exit(true) else
if ord(s1[i])
procedure qsort(l,r:longint);
var i,j,k:longint;
ks:string;
temp:node;
begin
i:=l; j:=r; k:=a[random(r-l)+l].cost; ks:=a[random(r-l)+l].data;
repeat
while (ka[j].cost) or ((k=a[j].cost) and (max(ks,a[j].data))) do dec(j);
if i<=j then
begin
temp.cost:=a[i].cost; a[i].cost:=a[j].cost; a[j].cost:=temp.cost;
temp.data:=a[i].data; a[i].data:=a[j].data; a[j].data:=temp.data;
inc(i); dec(j);
end;
until i>j;
if il then qsort(l,j);
end;
function cost(s:string):longint;
var i:longint;
begin
cost:=0;
for i:=1 to length(s) do inc(cost,table[ord(s[i])]);
exit(cost);
end;
procedure init;
var i:longint;
begin
readln(n,m);
for i:=1 to n do
begin
readln(a[i].data);
a[i].cost:=cost(a[i].data);
end;
end;
begin
assign(input,'crack.in'); reset(input);
assign(output,'crack.out'); rewrite(output);
init;
qsort(1,n);
print;
close(input);
close(output);
end.
第二题
Program contact;
Const
infile = 'contact.in';
outfile = 'contact.out';
Var
a : Array[1..1001, 1..1001] Of longint;
p : Array[1..1001] Of Record
x, y : Longint;
End;
s, back : Array[1..1001] Of Longint;
ans, anss, min, i, j, k, n, m, x, y : Longint;
Begin
Assign(input, infile);
Reset(input);
Readln(n);
Inc(n);
For i:=1 To n Do Begin
For j:=1 To n Do Begin
Read(a[i, j]);
End;
Readln;
End;
Readln(m);
For i:=1 To m Do Begin
Readln(x, y);
a[x, y] := -1;
a[y, x] := -1;
End;
For i:=1 To n Do s[i] := 1999999999;
s[1] := 0;
ans := 0;
anss := 0;
For i:=1 To n Do Begin
min := 1999999999;
For j:=1 To n Do If s[j] <> -2 Then Begin
If s[j] < min Then Begin
min := s[j];
k := j;
End;
End;
s[k] := -2;
If min > -1 Then Begin
ans := ans + min;
anss := anss + 1;
p[anss].x := back[k];
p[anss].y := k;
End;
For j:=1 To n Do If s[j] > -2 Then Begin
If a[k, j] < s[j] Then Begin
s[j] := a[k, j];
back[j] := k;
End;
End;
End;
Assign(output, outfile);
Rewrite(output);
Writeln(ans);
For i:=2 To anss Do Writeln(p[i].x, ' ', p[i].y);
Close(output);
End.
第三题
var
n,C,i,j:longint;
x,w,b,t:array[0..10001]of longint;
f:array[0..10001,0..400]of longint;
procedure qsort(s,e:longint);
var
i,j,k,xx,bb:longint;
begin
i:=s;
j:=e;
k:=(s+e) shr 1;
xx:=x[k];
x[k]:=x[s];
bb:=b[k];
b[k]:=b[s];
while i=xx) do dec(j);
if is then qsort(s,i-1);
if j+1f[k,j] then
f[k,j]:=f[i,j-1];
end;
end;
begin
assign(input,'charge.in'); reset(input);
assign(output,'charge.out'); rewrite(output);
readln(n,C);
for i:=1 to n do begin
readln(x[i],w[i]);
b[i]:=i;
end;
qsort(1,n);
t[0]:=1;
for i:=1 to n do
if t[x[i]]=0 then t[x[i]]:=i;
t[n+1]:=n+1;
for i:=n downto 1 do
if t[i]=0 then t[i]:=t[i+1];
fillchar(f,sizeof(f),0);
f[0,1]:=40000000;
dfs(0,C);
j:=0;
for i:=0 to C do
if f[0,i]>j then j:=f[0,i];
writeln(j);
close(input);
close(output);
end.
第四题
program switch;
const num:array[0..15] of integer=(4,2,0,4,0,7,7,2,2,7,7,0,4,0,2,4);
s:array[0..15,1..7] of integer=((0,1,4,5,0,0,0),(1,2,0,0,0,0,0),(0,0,0,0,0,0,0),(2,3,6,7,0,0,0),
(0,0,0,0,0,0,0),(1,4,5,6,7,9,13),(2,4,5,6,7,10,14),(7,11,0,0,0,0,0),
(4,8,0,0,0,0,0),(1,5,8,9,10,11,13),(2,6,8,9,10,11,14),(0,0,0,0,0,0,0),
(8,9,12,13,0,0,0),(0,0,0,0,0,0,0),(13,14,0,0,0,0,0),(10,11,14,15,0,0,0));
ni:array[0..15] of boolean=(false,false,true,false,true,false,false,false,
false,false,false,true,false,true,false,false);
finish:array[0..15] of boolean=(false,false,false,false,false,true,true,false,
false,true,true,false,false,false,false,false);
six:array[0..15] of string[1]=('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
two:array[0..3] of integer=(8,4,2,1);
var ans:array[0..15,0..15,0..15,0..15] of string[16];
a,zqm:array[0..15] of boolean;
p,p1,i,j,k,n:integer;
t,b4:array[1..4] of integer;
st:string[16];
ch:string;
i0,i1,i3,i5,i6,i7,i8,i9,i10,i12,i14,i15:boolean;
sum:longint;
begin
assign(input,'switch.in');
assign(output,'switch.out');
reset(input);
rewrite(output);
fillchar(a,sizeof(a),0);
for i0:=false to true do
for i1:=false to true do
for i3:=false to true do
for i5:=false to true do
for i6:=false to true do
for i7:=false to true do
for i8:=false to true do
for i9:=false to true do
for i10:=false to true do
for i12:=false to true do
for i14:=false to true do
for i15:=false to true do
begin
a[0]:=i0; a[1]:=i1; a[3]:=i3; a[5]:=i5; a[6]:=i6; a[7]:=i7; a[8]:=i8;
a[9]:=i9; a[10]:=i10; a[12]:=i12; a[14]:=i14; a[15]:=i15;
zqm:=finish;
for p:=0 to 15 do
if not ni[p] and a[p] then
for k:=1 to num[p] do zqm[s[p,k]]:=not zqm[s[p,k]];
fillchar(t,sizeof(t),0);
for p:=1 to 4 do
for p1:=0 to 3 do
if zqm[(p-1)*4+p1] then t[p]:=t[p]+two[p1];
st:='';
for p:=0 to 15 do
if a[p] then st:=st+six[p];
ans[t[1],t[2],t[3],t[4]]:=st;
end;
readln(n);
fillchar(b4,sizeof(b4),0);
for j:=1 to n do begin
readln(ch);
for i:=1 to 4 do begin
if ch[i] in ['A'..'F'] then b4[i]:=ord(ch[i])-55 else b4[i]:=ord(ch[i])-48;
end;
writeln(ans[b4[1],b4[2],b4[3],b4[4]]);
end;
close(input);
close(output);
end.
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