wwww 2008-08-24 04:31:00
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var g:array[0..100,0..100,0..100]of longint;
a,b,c,d:array[0..100]of longint;
n,m,r,i,j,k,l,t:longint;
begin
read(n,m,r);
for i:=1 to n do read(a[i],b[i],c[i],d[i]);
for i:=1 to n-1 do
for j:=i+1 to n do
if a[i]>a[j] then begin t:=a[i];a[i]:=a[j];a[j]:=t;
t:=b[i];b[i]:=b[j];b[j]:=t;
t:=c[i];c[i]:=c[j];c[j]:=t;
t:=d[i];d[i]:=d[j];d[j]:=t;
end;
for l:=1 to n do
for i:=1 to l-1 do
if a[i]<a[l] then
for j:=m downto b[i] do
for k:=r downto c[i]+1 do
if g[l,j,k]<g[i,j-b[i],k-c[i]]+d[i] then g[l,j,k]:=g[i,j-b[i],k-c[i]]+d[i];
write(g[n,m,r]+d[n]);
end.