pat甲级 1100 Mars Numbers (20 分) (字符串处理)

题目链接:传送门

思路:数的大小小于100,所以直接判输输入的是字母还是数字分情况处理即可,代码又写丑了,对两种情况都采用了循环来处理(但其实最多两位数,直接判断就行了。。)

代码:

#include <bits/stdc++.h>

using namespace std;

string f[2][13] = {{"tret" , "jan", "feb", "mar" , "apr", "may" , "jun" , "jly" , "aug" , "sep" , "oct" , "nov" , "dec"} , 
					{"tret" , "tam" , "hel" , "maa" , "huh" , "tou" , "kes" , "hei" , "elo", "syy" , "lok" , "mer", "jou"}};

int main() {
	int n;
	cin >> n;
	cin.get();
	for(int i = 0 ; i < n ; i++) {
		string s;
		getline(cin , s);
		if(isdigit(s[0])) {
			vector <string> v;
			int t = 0;
			for(int j = 0 ; j < s.length() ; j++) {
				t = t * 10 + s[j] - '0';
			}
			int tag = 0;
			if(t >= 13)tag = 1;
			if(!t) {
				cout << "tret\n";
				continue;
			} 
			while(t) {
				int x = t % 13;
				if(x == 0) {
					t /= 13; continue;
				}
				int t1 = 0;
				if(t < 13 && tag)t1 = 1; 
				v.push_back(f[t1][x]);	
				t /= 13;
			}
			for(int j = v.size() - 1 ; j >= 0 ; j--) {
				if(j < v.size() - 1)cout << " ";
				cout <<v[j];
			}
			cout << "\n";
		}
		else {
			stringstream ss(s);
			string q;
			int tag = 0 , ans = 0;
			while(ss >> q) {
				tag = 0;
				for(int k = 0 ; k < 2 && !tag; k++) {
					for(int j = 0 ; j < 13 ; j++) {
						if(f[k][j] == q) {
							if(k == 1)ans += j * 13;
							else ans += j;
							tag = 1;
							break;
						}
					}	
				}	
			}
			cout << ans << "\n";
		}
	}
	
	return 0;
}

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转载自blog.csdn.net/qq_39475280/article/details/103107682