mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
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#include<iostream>
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#include<cstdio>
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#include<cstdlib>
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#include<cstring>
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#include<string>
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#include<queue>
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#include<algorithm>
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#include<map>
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#include<cmath>
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#include<iomanip>
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#define INF 99999999
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using namespace std;
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const int MAX=10+10;
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bool mark[MAX];
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int s[MAX],p[MAX],pos[MAX],num;
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bool panduan(int Pos,int x){
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if(Pos == 0)if(abs(p[1]-x) == 1 || abs(p[2]-x) == 1 || abs(p[3]-x) == 1)return false;
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if(Pos == 1)if(abs(p[0]-x) == 1 || abs(p[2]-x) == 1 || abs(p[4]-x) == 1 || abs(p[5]-x) == 1)return false;
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if(Pos == 2)if(abs(p[0]-x) == 1 || abs(p[1]-x) == 1 || abs(p[3]-x) == 1 || abs(p[4]-x) == 1 || abs(p[5]-x) == 1 || abs(p[6]-x) == 1)return false;
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if(Pos == 3)if(abs(p[0]-x) == 1 || abs(p[2]-x) == 1 || abs(p[5]-x) == 1 || abs(p[6]-x) == 1)return false;
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if(Pos == 4)if(abs(p[1]-x) == 1 || abs(p[2]-x) == 1 || abs(p[5]-x) == 1 || abs(p[7]-x) == 1)return false;
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if(Pos == 5)if(abs(p[1]-x) == 1 || abs(p[2]-x) == 1 || abs(p[3]-x) == 1 || abs(p[4]-x) == 1 || abs(p[6]-x) == 1 || abs(p[7]-x) == 1)return false;
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if(Pos == 6)if(abs(p[2]-x) == 1 || abs(p[3]-x) == 1 || abs(p[5]-x) == 1 || abs(p[7]-x) == 1)return false;
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if(Pos == 7)if(abs(p[4]-x) == 1 || abs(p[5]-x) == 1 || abs(p[6]-x) == 1)return false;
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return true;
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}
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void dfs(int Pos){
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if(Pos>pos[0]){
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++num;
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if(num == 1){
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for(int i=0;i<8;++i)pos[pos[0]+1+i]=p[i];
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}
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return;
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}
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for(int i=1;i<=s[0];++i){
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if(mark[s[i]])continue;
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if(panduan(pos[Pos],s[i])){
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p[pos[Pos]]=s[i];
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mark[s[i]]=true;
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dfs(Pos+1);
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p[pos[Pos]]=10;
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mark[s[i]]=false;
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if(num>1)return;
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}
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}
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}
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int main(){
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int t,Case=0;
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cin>>t;
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while(t--){
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memset(mark,false,sizeof mark);
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num=pos[0]=s[0]=0;
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for(int i=0;i<8;++i){
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cin>>p[i];
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if(p[i] == 0)pos[++pos[0]]=i,p[i]=10;
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mark[p[i]]=true;
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}
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for(int i=1;i<=8;++i)if(!mark[i])s[++s[0]]=i;
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if(pos[0]>0)dfs(1);
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cout<<"Case "<<++Case<<':';
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if(!num)cout<<" No answer"<<endl;
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if(num>1)cout<<" Not unique"<<endl;
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if(num == 1){
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for(int i=0;i<8;++i)cout<<' '<<pos[pos[0]+1+i];
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cout<<endl;
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}
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}
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return 0;
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}
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