10723 - Cyborg Genes

#include <stdio.h>#include <string.h>#define LL long long#define maxn 35LL d[maxn][maxn][maxn],fd[maxn][maxn],ls1,ls2;char s1[maxn],s2[maxn];LL max(LL a,LL b){if(a>b) return a;else return b;}LL dp(int l1,int l2,int l3){LL &res=d[l1][l2][l3];if(res!=-1) return res;if(l1>l3||l2>l3) return res=0;if(l1==0&&l2==l3||l2==0&&l1==l3) return res=1;if(l1==0&&l2!=l3||l2==0&&l1!=l3) return res=0;if(s1[l1]==s2[l2]) res=dp(l1-1,l2-1,l3-1);else res=dp(l1-1,l2,l3-1)+dp(l1,l2-1,l3-1);return res;}int main(){int t;scanf("%d",&t);getchar();for(int tt=1;tt<=t;tt++){gets(s1+1);gets(s2+1);ls1=strlen(s1+1);ls2=strlen(s2+1);memset(fd,0,sizeof(fd));for(int i=1;i<=ls1;i++){for(int j=1;j<=ls2;j++){if(s1[i]==s2[j])fd[i][j]=fd[i-1][j-1]+1;else fd[i][j]=max(max(fd[i-1][j-1],fd[i-1][j]),fd[i][j-1]);}}memset(d,-1,sizeof(d));printf("Case #%d: %lld %lld\n",tt,ls1+ls2-fd[ls1][ls2],dp(ls1,ls2,ls1+ls2-fd[ls1][ls2]));}return 0;}