OJ-Problems-Source/HDOJ/1954_autoAC.cpp
2016-08-19 10:57:19 +08:00

72 lines
1.6 KiB
C++

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
using namespace std;
#define maxn 3005
struct Tree
{
int l, r;
} tree[maxn];
char st1[maxn], st2[maxn], temp[maxn], st[maxn];
bool operator<(const Tree &a, const Tree &b)
{
int len = min(a.r - a.l, b.r - b.l);
for (int i =0; i < len; i++)
if (st[a.l + i] != st[b.l + i])
return st[a.l + i] < st[b.l + i];
return a.r - a.l < b.r - b.l;
}
void make(int l, int r, Tree *tree)
{
int zcount =0;
int tcount =0;
int s = l;
for (int i = l; i < r; i++)
{
if (st[i] =='0')
zcount++;
else
zcount--;
if (zcount ==0)
{
make(s +1, i, &tree[tcount]);
tree[tcount].l = s;
tree[tcount].r = i +1;
tcount++;
s = i +1;
}
}
sort(tree, tree + tcount);
s = l;
for (int i =0; i < tcount; i++)
{
for (int j = tree[i].l; j < tree[i].r; j++)
temp[j - tree[i].l + s] = st[j];
s += tree[i].r - tree[i].l;
}
for (int i = l; i < r; i++)
st[i] = temp[i];
}
int main()
{
int t;
scanf("%d", &t);
getchar();
while (t--)
{
gets(st);
make(0, strlen(st), tree);
strcpy(st1, st);
gets(st);
make(0, strlen(st), tree);
strcpy(st2, st);
if (strcmp(st1, st2) ==0)
printf("same\n");
else
printf("different\n");
}
return 0;
}