题目连接
http://acm.hdu.edu.cn/showproblem.php?pid=1228
A + B
Description
读入两个小于100的正整数A和B,计算A+B.
需要注意的是:A和B的每一位数字由对应的英文单词给出.
Input
测试输入包含若干测试用例,每个测试用例占一行,格式为"A + B =",相邻两字符串有一个空格间隔.当A和B同时为0时输入结束,相应的结果不要输出.
Output
对每个测试用例输出1行,即A+B的值.
Sample Input
one + two =
three four + five six =
zero seven + eight nine =
zero + zero =
Sample Output
3
90
96
字符串水题。。
1 #include<algorithm> 2 #include<iostream> 3 #include<cstdlib> 4 #include<cstring> 5 #include<cstdio> 6 #include<string> 7 #include<vector> 8 #include<map> 9 #include<set> 10 using std::map; 11 using std::cin; 12 using std::cout; 13 using std::endl; 14 using std::vector; 15 using std::string; 16 #define sz(c) (int)(c).size() 17 #define all(c) (c).begin(), (c).end() 18 #define iter(c) decltype((c).begin()) 19 #define cls(arr,val) memset(arr,val,sizeof(arr)) 20 #define cpresent(c, e) (find(all(c), (e)) != (c).end()) 21 #define rep(i, n) for (int i = 0; i < (int)(n); i++) 22 #define tr(c, i) for (iter(c) i = (c).begin(); i != (c).end(); ++i) 23 #define pb(e) push_back(e) 24 #define mp(a, b) make_pair(a, b) 25 const int Max_N = 100010; 26 typedef unsigned long long ull; 27 map<string, int> rec; 28 void init() { 29 rec["zero"] = 0; 30 rec["one"] = 1; 31 rec["two"] = 2; 32 rec["three"] = 3; 33 rec["four"] = 4; 34 rec["five"] = 5; 35 rec["six"] = 6; 36 rec["seven"] = 7; 37 rec["eight"] = 8; 38 rec["nine"] = 9; 39 } 40 int main() { 41 #ifdef LOCAL 42 freopen("in.txt", "r", stdin); 43 freopen("out.txt", "w+", stdout); 44 #endif 45 init(); 46 int a, b, f; 47 char str[100], buf[100]; 48 while (gets(buf)) { 49 a = b = f = 0; 50 char *p = buf; 51 while (true) { 52 if (*p == ' ') { p++; continue; } 53 sscanf(p, "%s", str); 54 if (!strcmp(str, "=")) break; 55 if (!f && strcmp(str, "+")) a = a * 10 + rec[str]; 56 if (!strcmp(str, "+") || f) { 57 if (!strcmp(str, "+")) { f = 1, p++; continue; } 58 b = b * 10 + rec[str]; 59 } 60 p = p + strlen(str); 61 } 62 if (!(a + b)) break; 63 printf("%d ", a + b); 64 } 65 return 0; 66 }