mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
32 lines
705 B
C++
32 lines
705 B
C++
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#include <cstdio>
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#include <cstring>
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#include <cmath>
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#include <iostream>
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using namespace std;
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int t, n, m;
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int f[1005];
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bool emerge[1000];
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int get_sg(int len)
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{
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if(len<m) return f[len]=0;
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if(f[len]!=-1) return f[len];
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bool vs[1001]={0};
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for(int i=0; len-i-m>=0; i++)
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vs[get_sg(i)^get_sg(len-i-m)]=1;
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for(int i=0; i<1001; i++)
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if(!vs[i]) return f[len]=i;
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}
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int main()
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{
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scanf("%d", &t);
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for(int ca=1; ca<=t; ca++)
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{
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scanf("%d%d", &n, &m);
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memset(f, -1, sizeof(f));
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printf("Case #%d: ", ca);
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if(n<m || get_sg(n-m)) printf("abcdxyzk\n");
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else printf("aekdycoin\n");
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}
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return 0;
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}
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