Give Me the Number（map)
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2971
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1 #include<iostream> 2 #include<map> 3 #include<string.h> 4 using namespace std ; 5 map<string, int>a ; 6 string s ; 7 void init() 8 { 9 a["zero"] = 0 ; 10 a["one"] = 1 ; 11 a["two"] = 2 ; 12 a["three"] = 3 ; 13 a["four"] = 4 ; 14 a["five"] = 5 ; 15 a["six"] = 6 ; 16 a["seven"] = 7 ; 17 a["eight"] = 8 ; 18 a["nine"] = 9 ; 19 a["ten"]=10; 20 a["eleven"]=11; 21 a["twelve"]=12; 22 a["thirteen"]=13; 23 a["fourteen"]=14; 24 a["fifteen"]=15; 25 a["sixteen"]=16; 26 a["seventeen"]=17; 27 a["eighteen"]=18; 28 a["nineteen"]=19; 29 a["twenty"]=20; 30 a["thirty"]=30; 31 a["forty"]=40; 32 a["fifty"]=50; 33 a["sixty"]=60; 34 a["seventy"]=70; 35 a["eighty"]=80; 36 a["ninety"]=90; 37 } 38 int main() 39 { 40 int t, i ; 41 init() ; 42 cin>>t ; 43 cin.get() ; 44 while(t--) 45 { 46 getline(cin, s, '\n') ; 47 s += ' ' ; 48 int len = s.length() ; 49 int st = 0 ; 50 int sum = 0 ; 51 int num = 0 ; 52 for(i=0; i<len; i++) 53 { 54 if(s[i]==' ') 55 { 56 string str = s.substr(st, i-st) ; 57 st = i + 1 ; 58 if(str=="and") 59 continue ; 60 else 61 if(str=="million") 62 { 63 num *= 1000000 ; 64 sum += num ; 65 num = 0 ; 66 } 67 else 68 if(str=="thousand") 69 { 70 num *= 1000 ; 71 sum += num ; 72 num = 0 ; 73 } 74 else 75 if(str=="hundred") 76 { 77 num *= 100 ; 78 } 79 else 80 num += a[str] ; 81 } 82 } 83 sum += num ; 84 cout<<sum<<endl ; 85 } 86 return 0 ; 87 }
C、C++中字符输入：
