奇怪的评测机

Dawn_Chase @ 2018-01-10 19:58:45

by Dawn_Chase @ 2018-01-10 19:59:14

const e:array[1..4,1..2] of -1..1=((0,-1),(-1,0),(1,0),(0,1));

var n,m,i,j,t,ans:longint;
    f,h:array[0..101,0..101] of longint;
function max(x,y:longint):longint;
begin
  if x>y then
   exit(x);
  exit(y);
end;
function ss(x,y:longint):longint;
var k,xx,yy:longint;
begin
  if f[x,y]>0 then
   exit(f[x,y]);
  t:=1;
  for k:=1 to 4 do
   begin
    xx:=x+e[k,1];yy:=y+e[k,2];
    if (xx>0) and (xx<=n) and (yy>0) and (yy<=n) and (h[xx,yy]<h[x,y]) then
     t:=max(ss(xx,yy)+1,t);
   end;
  f[x,y]:=t;
  exit(f[x,y]);
end;
begin
  read(n,m);
  for i:=1 to n do
   for j:=1 to m do
    read(h[i,j]);
  for i:=1 to n do
   for j:=1 to m do
    begin
     t:=ss(i,j);
     if t>ans then
      ans:=t;
    end;
  writeln(ans);
end.

by Dawn_Chase @ 2018-01-10 20:00:29

求大佬解释：

数据输入：

10 5 56 14 51 58 88

26 94 24 39 41

24 16 8 51 51

76 72 77 43 10

38 50 59 84 81

5 23 37 71 77

96 10 93 53 82

94 15 96 69 9

74 0 62 38 96

37 54 55 82 38

数据输出：

7

by Dawn_Chase @ 2018-01-10 20:06:17

自己的IDE

luogu的在线IDE跑的是5？？

by Dawn_Chase @ 2018-01-10 20:31:19

@yjjr

@zhouyonglong

by FlierKing @ 2018-01-12 17:54:15

@slzxzxh 请在洛谷在线IDE进行测试

by 2017gangbazi @ 2018-01-28 18:14:33

我这个在本地跑都是5/笑哭

by Dawn_Chase @ 2018-02-23 21:56:43

蒟蒻改c++后，编译器告诉我6>5是错的[滑稽] 求大佬指教

by Dawn_Chase @ 2018-02-23 22:33:09

于是在过程里又var了一遍t就过了。。。

by 帅比王2018 @ 2018-06-08 16:49:50

正确答案是7还是5啊？