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#include <iostream> #include <vector> #include <string> #include <list> #define N 1000005 using namespace std; bool prime[N]={0}; vector<int> ps; // 存放1到N内所有素数 void fenjie(vector<int> & suyinzi, int x){ // 素因子分解 for(int i=0;i<ps.size();i++){ while(x % ps[i] ==0){ suyinzi.push_back(ps[i]); x /=ps[i]; } } } char str[5][31]={ "*-*****-**-*****-**-**-**-**-*", "|*|*|***|**||*||**|****||*||*|", "*******-**-**-**-**-*****-**-*", "|*|*|*|****|**|**||*|**||*|**|", "*-*****-**-*****-**-*****-**-*" }; char print[5][4*1000]={0}; // 打印缓冲区 void set(int col, char ch){ //从col列开始设置要显示的字符 if(ch == ‘*‘){ for(int i=0;i<5;i++) print[i][col] = ‘ ‘; print[2][col] = ‘*‘; return; } for(int i =0;i<5;i++) for(int j=0;j<3;j++){ char temp=str[i][(ch-‘0‘)*3 + j]; print[i][col+j] = temp == ‘*‘ ? ‘ ‘ : temp; } } void set(int col, string str){ ///从第col列开始,设置要显示的字符串 set(col,‘*‘); col ++; for(int i=0;i<str.size();i++){ set(col,str[i]); col += 3; } } string convert(int x){ //将整数转为字符串 list<char> li; while(x!=0){ li.push_front(x%10 + ‘0‘); x /= 10; } string str(li.begin(),li.end()); return str; } int main() { for(int i=2;i<1000;i++){ if(prime[i]) { continue; } for(int j=i+i;j<N;j+=i) prime[j] =1; } for(int i =2;i< N;i++ ) if(!prime[i]) ps.push_back(i); int x; while(cin >> x){ vector<int> suyinzi; vector<string> vstr; fenjie(suyinzi,x); for(int i=0;i<suyinzi.size();i++){ vstr.push_back(convert(suyinzi[i])); } int count = suyinzi.size(),col=0; ::memset(print, 0,sizeof(print)); for(int i=0;i<vstr.size();i++){ set(col,vstr[i]); col += vstr[i].size()*3+1; } for(int i=0;i<5;i++){ for(int j=1;j<col;j++) cout << print[i][j]; cout << endl; } } return 0; }
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原文地址:http://www.cnblogs.com/gaoyanqing/p/4811619.html