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solution.cpp 982 Bytes
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默然 authored 7 years ago . update all algorithms.
class Solution
{
public:
bool isScramble(string s1, string s2)
{
int len = s1.length();
if(len!=s2.length())
{
return false;
}
if(len==0)
{
return true;
}
bool result[len][len][len];
for(int i=0;i<len;++i)
{
for(int j=0;j<len;++j)
{
result[0][i][j] = (s1[i]==s2[j]);
}
}
for(int k=2;k<=len;++k)
{
for(int i=len-k;i>=0;--i)
{
for(int j=len-k;j>=0;--j)
{
bool r = false;
for(int m=1;m<k && !r;++m)
{
r = (result[m-1][i][j] && result[k-m-1][i+m][j+m]) || (result[m-1][i][j+k-m] && result[k-m-1][i+m][j]);
}
result[k-1][i][j] = r;
}
}
}
return result[len-1][0][0];
}
};
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