ZOJ2971 Give Me the Number 【模拟】

这道题目使用Map。 然后一次性遍历下来即可。 QAQ

注意初始化的时候小心点不要错..

Source Code:

//#pragma comment(linker, "/STACK:16777216") //for c++ Compiler
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <cstring>
#include <cmath>
#include <stack>
#include <string>
#include <map>
#include <set>
#include <list>
#include <queue>
#include <vector>
#include <algorithm>
#define Max(a,b) (((a) > (b)) ? (a) : (b))
#define Min(a,b) (((a) < (b)) ? (a) : (b))
#define Abs(x) (((x) > 0) ? (x) : (-(x)))
#define MOD 1000000007
#define pi acos(-1.0)
 
using namespace std;
 
typedef long long           ll      ;
typedef unsigned long long  ull     ;
typedef unsigned int        uint    ;
typedef unsigned char       uchar   ;
 
template<class T> inline void checkmin(T &a,T b){if(a>b) a=b;}
template<class T> inline void checkmax(T &a,T b){if(a<b) a=b;}
 
const double eps = 1e-      ;
const int N =             ;
const int M = *      ;
const ll P = 10000000097ll   ;
const int MAXN =       ;
const int INF = 0x3f3f3f3f   ;
const int MAX =         ;
 
map <string, int> g;
 
void init(){
    g["zero"] = , g["one"] = , g["two"] = , g["three"] = , g["four"] = ;
    g["five"] = , g["six"] = , g["seven"] = , g["eight"] = , g["nine"] = ;
    g["ten"] = , g["eleven"] = , g["twelve"] = , g["thirteen"] = , g["fourteen"] = ;
    g["fifteen"] = , g["sixteen"] = , g["seventeen"] = , g["eighteen"] = , g["nineteen"] = ;
    g["twenty"] = , g["thirty"] = , g["forty"] = , g["fifty"] = , g["sixty"] = ;
    g["seventy"] = , g["eighty"] = , g["ninety"] = ;
}
 
int main(){
    std::ios::sync_with_stdio(false);
    int i, j, t, k, u, v, x, y, numCase = ;
    init();
    cin >> t;
    cin.get();//
    while(t--){
        string ss;
        getline(cin, ss, '\n');//
        ss += ' ';
        int len = ss.length();
        int num = , cur = , ans = ;
        for(i = ; i < len; ++i){
            if(ss[i] == ' '){
                string str = ss.substr(num, i - num);
                num = i + ;
                if(str == "and"){
                    continue;
                } else if(str == "million"){
                    cur *= ;
                    ans += cur;
                    cur = ;
                } else if(str == "thousand"){
                    cur *= ;
                    ans += cur;
                    cur = ;
                } else if(str == "hundred"){
                    cur *= ;
                } else{
                    cur += g[str];
                }
            }
        }
        ans += cur;
        cout << ans << endl;
    }
 
    return ;
}