Name That Number
分析：找出每一个字母对应的数字，然后看字典里面那个与其匹配
1 /* 2 ID: **** 3 PROG: namenum 4 LANG: C++ 5 */ 6 #include<iostream> 7 #include<fstream> 8 #include<string.h> 9 10 using namespace std; 11 12 const char alpha[26]={'2','2','2','3','3','3','4','4','4','5','5','5', '6','6','6','7','0','7','7','8','8','8','9','9','9','0'}; 13 string data,tmp,words; 14 bool flag=false; 15 16 int main(){ 17 ifstream fin("namenum.in"); 18 ofstream fout("namenum.out"); 19 fin>>data; 20 ifstream tin("dict.txt"); 21 while (tin>>words){ 22 int l=words.size(); 23 tmp=""; 24 for (int i=0;i<l;i++) tmp+=alpha[words[i]-65]; 25 if (tmp==data) {fout<<words<<endl;flag=true;} 26 } 27 if (!flag) fout<<"NONE"<<endl; 28 return 0; 29 }