用1~9組成? ? ? ?B k=A—— C 九個數字必須全用 #include<cstdio> using namespace std; int n;bool shuchu=0; bool cha(int i,int j) { ????bool ji[11]={0}; ????if(i>=10&&i/10!=i%10&&i/10!=0&&i%10!=0) ????{ ????????ji[i/10]=1; ????????ji[i%10]=1; ????} ????if(i>=10&&(i/10==i%10||i/10==0||i%10==0)) ????return 1; ????if(i<10) ????{ ????????ji[i]=1; ????} ????int jii=j*(n-i); ????while(jii) ????{ ????????if(ji[jii%10]==1||jii%10==0) ????????{ ????????????return 1; ????????} ????????ji[jii%10]=1; ????????jii/=10; ????} ????while(j) ????{ ????????if(ji[j%10]==1||j%10==0) ????????return 1; ????????ji[j%10]=1; ????????j/=10; ????} ????for(int i=1;i<10;i++) ????{ ????????if(ji[i]==0) ????????return 1; ????} ????return 0; } int weishu(int k) { ????int jii=0; ????while(k!=0) ????{ ????????jii++;k/=10; ????} ????return jii; } int printt(int k) { ????int jii=weishu(k); ????for(int i=0;i<jii;i++) ????{ ????????printf("-"); ????} ????printf("\n"); ????return jii; } void print(int shu,int zhi) { ????int jishu=3; ????if(n==100) ????jishu++; ????if(n<10) ????jishu--; ????if(shu>=10) ????{ ????????jishu++; ????} ????if(zhi>=10) ????{ ????????jishu++; ????} ????for(int i=0;i<jishu;i++) ????{ ????????printf(" "); ????} ????printf("%d\n",(n-shu)*zhi); ????printf("%d=%d",n,shu); ????int jish=printt((n-shu)*zhi); ????int jjshu=weishu(zhi); ????for(int i=0;i<jish+jishu-jjshu;i++) ????{ ????????printf(" "); ????} ????printf("%d\n",zhi); } void fen() { ????for(int i=1;i<n;i++) ????{ ????????for(int j=1;j<5000;j++) ????????{ ????????????if(cha(i,j)==0) ????????????{ ????????????????shuchu=1; ????????????????print(i,j); ????????????} ????????} ????} } int main() { ????scanf("%d",&n); ????while(n!=0) ????{ ????????shuchu=0; ????????fen(); ????????if(shuchu==0) ????????{ ????????????printf("impossible\n"); ????????} ????????scanf("%d",&n); ????} }

轉載于:https://www.cnblogs.com/fanhao050109/p/11197323.html

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