测试结果2: 通过本测试点|有效耗时63:ms
测试结果3: 通过本测试点|有效耗时63:ms
测试结果4: 测试结果错误.错误结果为:14
正确结果应为:10
测试结果5: 测试结果错误.错误结果为:13
正确结果应为:11
测试结果6: 测试结果错误.错误结果为:78
正确结果应为:75
测试结果7: 测试结果错误.错误结果为:82
正确结果应为:77
测试结果8: 测试结果错误.错误结果为:84
正确结果应为:76
测试结果9: 测试结果错误.错误结果为:80
正确结果应为:74
测试结果10: 测试结果错误.错误结果为:81
正确结果应为:78
program a123;
var a,f,x:array[1..100]of integer;
b,c,i,j,n:integer;
begin
readln(n);
for i:=1 to n do read(a[i]);
for i:=1 to n do x[i]:=0;
for i:=1 to n do f[i]:=1;
x[1]:=0; x[2]:=1;
for b:=3 to n do
begin
for i:=1 to b do f[i]:=1;
for i:=2 to b-1 do
for j:=1 to i-1 do
if (a[i]>=a[j])and(f[j]+1>f[i]) then f[i]:=f[j]+1;
for i:=1 to b-1 do if (x[b]<f[i])and(a[b]>=a[i]) then x[b]:=f[i];
end;
x[n]:=x[n]+1; x[n-1]:=x[n-1]+2;
for b:=1 to n-2 do
begin
for i:=b to n do f[i]:=1;
for i:=b+2 to n do
for j:=b+1 to i-1 do
if (a[i]<=a[j])and(f[j+1]>f[i]) then f[i]:=f[j]+1;
c:=0;
for i:=b+1 to n do if (c<f[i])and(a[b]>=a[i]) then c:=f[i];
x[b]:=x[b]+c+1;
end;
c:=0;
for i:=1 to n do if x[i]>c then c:=x[i];
c:=n-c;
writeln(c);
end.
program a123;
var a,f,x:array[1..100]of integer;
b,c,i,j,n:integer;
begin
readln(n);
for i:=1 to n do read(a[i]);
for i:=1 to n do x[i]:=0;
for i:=1 to n do f[i]:=1;
x[1]:=0;
if a[2]>a[1] then x[2]:=1;
for b:=3 to n do
begin
for i:=1 to b do f[i]:=1;
for i:=2 to b-1 do
for j:=1 to i-1 do
if (a[i]>a[j])and(f[j]+1>f[i]) then f[i]:=f[j]+1;
for i:=1 to b-1 do if (x[b]<f[i])and(a[b]>a[i]) then x[b]:=f[i];
end;
x[n]:=x[n]+1; if a[n-1]<a[n] then x[n-1]:=x[n-1]+2;
for b:=1 to n-2 do
begin
for i:=b to n do f[i]:=1;
for i:=b+2 to n do
for j:=b+1 to i-1 do
if (a[i]<a[j])and(f[j]+1>f[i]) then f[i]:=f[j]+1;
c:=0;
for i:=b+1 to n do if (c<f[i])and(a[b]>a[i]) then c:=f[i];
x[b]:=x[b]+c+1;
end;
c:=0;
for i:=1 to n do if x[i]>c then c:=x[i];
c:=n-c;
writeln(c);
end.