hdu1159

http://acm.hdu.edu.cn/showproblem.php?pid=1159

直接模板!

#include " iostream "
using namespace std;
char a[ 1001 ],b[ 1001 ];
int c[ 1001 ][ 1001 ];
int Max( int a, int b)
{
return a > b ? a:b;
}
void LCS( char * aa , char * bb, int x, int y)
{
int i,j;
for (i = 0 ;i <= x;i ++ )
c[i][ 0 ] = 0 ;
for (j = 0 ;j <= y;j ++ ) c[ 0 ][j] = 0 ;

for (i = 1 ;i <= x;i ++ )
{
for (j = 1 ;j <= y;j ++ )
{
if (aa[i - 1 ] == bb[j - 1 ]) {c[i][j] = c[i - 1 ][j - 1 ] + 1 ;}
else c[i][j] = Max(c[i - 1 ][j],c[i][j - 1 ]);
}
}
}
int main()
{

while (cin >> a >> b)
{
int La = strlen(a);
int Lb = strlen(b);
LCS(a,b,La,Lb);

cout << c[La][Lb] << endl;
}
return 0 ;
}