39 lines
810 B
C++
39 lines
810 B
C++
#include<stdio.h>
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#include<string.h>
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int v[205][205];
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char a[205],b[205],c[410];
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int lena,lenb,lenc;
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int dfs(int i,int j,int k)
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{
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if(c[k]=='\0')
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return 1;
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if(v[i][j])return 0;
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v[i][j]=1;
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if(lena<lenc)
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if(a[i]==c[k] && dfs(i+1,j,k+1))return 1;
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if(lenb<lenc)
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if(b[j]==c[k] && dfs(i,j+1,k+1))return 1;
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return 0;
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}
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int main()
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{
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int t,k;
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while(scanf("%d",&t)!=EOF)
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{
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k=1;
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while(k<=t){
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scanf("%s%s%s",&a,&b,&c);
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lena=strlen(a);
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lenb=strlen(b);
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lenc=strlen(c);
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memset(v,0,sizeof(v));
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if(dfs(0,0,0)==1)
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printf("Data set %d: yes\n",k);
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else
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printf("Data set %d: no\n",k);
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k++;
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}
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}
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return 0;
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}
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