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LCSstring_3bottomUp.cpp
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61 lines (56 loc) · 1.14 KB
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#include<iostream>
using namespace std;
int LCS(string x, string y, int m, int n)
{
int t[m+1][n+1];
int maxVal=0;
for(int i=0; i<m+1; i++)
{
for(int j=0 ; j<n+1 ; j++)
{
if(i==0 || j==0)
{
t[i][j] = 0;
}
else
{
if(x[i-1]==y[j-1])
{
t[i][j] = 1 + t[i-1][j-1];
maxVal = max(t[i][j], maxVal);
}
else
{
t[i][j] = 0;
}
}
}
}
for(int i=0; i<m+1;i++)
{
for(int j=0; j<n+1; j++)
{
cout<<t[i][j]<<" ";
}
cout<<endl;
}
return maxVal;
}
int main()
{
string x = "abcdef";
string y = "abdefl";
int m = x.length();
int n = y.length();
int length = LCS(x,y,m,n);
cout<<"Length "<<length<<endl;
}
// t matrix
// 0 0 0 0 0 0 0
// 0 1 0 0 0 0 0
// 0 0 2 0 0 0 0
// 0 0 0 0 0 0 0
// 0 0 0 1 0 0 0
// 0 0 0 0 2 0 0
// 0 0 0 0 0 3 0
// Length 3