浙江大学 计算机考研复习 HDU结题报告及ACM课件

#include <iostream> using namespace std; void cout4(int w) { switch(w){ case 0: cout<<"zero"<<endl;break; case 1: cout<<"one"<<endl;break; case 2: cout<<"two"<<endl;break; case 3: cout<<"three"<<endl;break; case 4: cout<<"four"<<endl;break; case 5: cout<<"five"<<endl;break; case 6: cout<<"six"<<endl;break; case 7: cout<<"seven"<<endl;break; case 8: cout<<"eight"<<endl;break; case 9: cout<<"nine"<<endl;break; case 10: cout<<"ten"<<endl;break; case 11: cout<<"eleven"<<endl;break; case 12: cout<<"twelve"<<endl;break; case 13: cout<<"thirteen"<<endl;break; case 14: cout<<"fourteen"<<endl;break; case 15: cout<<"fifteen"<<endl;break; case 16: cout<<"sixteen"<<endl;break; case 17: cout<<"seventeen"<<endl;break; case 18: cout<<"eighteen"<<endl;break; case 19: cout<<"nineteen"<<endl;break; case 20: cout<<"twenty"<<endl;break;} } void cout3(int x) { switch(x){ case 2: cout<<"twenty";break; case 3: cout<<"thirty";break; case 4: cout<<"forty";break; case 5: cout<<"fifty";break; case 6: cout<<"sixty";break; case 7: cout<<"seventy";break; case 8: cout<<"eighty";break; case 9: cout<<"ninety";break; } } void cout2(int y) { switch(y){ case 1: cout<<"one hundred" ;break; case 2: cout<<"two hundred" ;break; case 3: cout<<"three hundred";break; case 4: cout<<"four hundred";break; case 5: cout<<"five hundred";break; case 6: cout<<"six hundred";break; case 7: cout<<"seven hundred";break; case 8: cout<<"eight hundred";break; case 9: cout<<"nine hundred";break; } } void cout1(int z) { switch(z){ case 1: cout<<"one thousand";break; case 2: cout<<"two thousand";break; case 3: cout<<"three thousand";break; case 4: cout<<"four thousand";break; case 5: cout<<"five thousand";break; case 6: cout<<"six thousand";break; case 7: cout<<"seven thousand";break; case 8: cout<<"eight thousand";break; case 9: cout<<"nine thousand";break;} } int main() { int n[10005],j=0,a,b,c,d; while(cin>>n[j]) { if(n[j]<0||n[j]>9999) break; else if(n[j]>=0&&n[j]<=20) cout4(n[j]); else if(n[j]>20&&n[j]<100) { a=n[j]/10;b=n[j]-a*10; if(b!=0){ cout3(a); cout<<"-"; cout4(b);} else{ cout3(a); cout<<endl;} } else if(n[j]==100) cout<<"one hundred"<<endl; else if(n[j]>100&&n[j]<1000) { a=n[j]/100;b=(n[j]-a*100)/10;c=n[j]-a*100-b*10; if(b==0&&c==0){ cout2(a); cout<<endl;} else if(b!=0&&c==0) { if(b>2){ cout2(a); cout<<" and "; cout3(b); cout<<endl;} else{ cout2(a); cout<<" and "; cout4(n[j]-a*100); } } else if(b==0&&c!=0){ cout2(a); cout<<" and "; cout3(b); cout4(c); } else{ if(b>=2){ cout2(a); cout<<" and "; cout3(b); cout<<"-"; cout4(c);} else { cout2(a); cout<<" and "; cout4(n[j]-a*100); } }} else if(n[j]==1000) cout<<"one thousand"<<endl; else if(n[j]>1000&&n[j]<10000) { a=n[j]/1000;b=(n[j]-a*1000)/100;c=(n[j]-a*1000-b*100)/10;d=n[j]-a*1000-b*100-c*10; if(b==0&&c==0&&d==0){ cout1(a); cout<<endl;} else if(b!=0&&c==0&&d==0){ cout1(a); cout<<" and "; cout2(b); cout<<endl;} else if(b==0&&c!=0&&d==0) { if(c>=2){ cout1(a); cout<<" and "; cout3(c); cout<<endl;} else{ cout1(a); cout<<" and ten"<<endl;} } else if(b!=0&&c==0&&d!=0){ cout1(a); cout<<" and "; cout2(b); cout<<" and "; cout4(d); } else if(b!=0&&c!=0&&d==0){ if(c>=2){ cout1(a); cout<<" and "; cout2(b); cout<<" and "; cout3(c); cout<<endl;} else{ cout1(a); cout<<" and "; cout2(b); cout<<" and "; cout4(n[j]-a*1000-b*100);} } else if(b==0&&c==0&&d!=0){ cout1(a); cout<<" and "; cout4(n[j]-a*1000); } else if(b==0&&c!=0){ if(c>=2){ cout1(a); cout<<" and "; cout3(c); cout<<"-"; cout4(d);} else{ cout1(a); cout<<" and "; cout4(n[j]-a*1000);} } else { if(c>=2){ cout1(a); cout<<" and "; cout2(b); cout<<" and "; cout3(c); cout<<"-"; cout4(d);} else{ cout1(a); cout<<" and "; cout2(b); cout<<" and "; cout4(n[j]-a*1000-b*100); } } } j++; } return 0; }