pat1100 Mars Numbers

数据不多,所以用打表法完成.getline(cin,str)是读取一行,注意用getchar回收上面scanf结束的回车。cin以空格为结尾,getline以回车作为结尾(因为是读取一整行).

用stringstream来完成字符串到int的转化过程.

题面信息复制复制复制否则太容易错了。

#include<bits/stdc++.h>
using namespace std;
string tendigit[13] = { "tret","tam","hel","maa","huh","tou","kes","hei","elo","syy","lok","mer","jou" };
string unitdigit[13] = { "tret","jan","feb","mar","apr","may","jun","jly","aug","sep","oct","nov","dec" };
string numToString[170];
map<string, int>stringToNum;
void init()
{
    int i,j;
    for (i = 0; i < 13; i++)
    {
        numToString[i] = unitdigit[i];
        stringToNum[unitdigit[i]] = i;
        numToString[13 * i] = tendigit[i];
        stringToNum[tendigit[i]] = 13 * i;
    }
    for (i = 1; i < 13; i++)
    {
        for (j = 1; j < 13; j++)
        {
            int m = 13 * i + j;
            numToString[m] = tendigit[i] + " " + unitdigit[j];
            stringToNum[tendigit[i] + " " + unitdigit[j]] = m;
        }
    }
}
int main()
{
    init();
    int n;
    scanf("%d", &n);
    getchar();
    int i;
    for (i = 0; i < n; i++)
    {
        string str;
        getline(cin, str);
        if (str[0] >= '0'&&str[0] <= '9')
        {
            int m;
            stringstream ss;
            ss << str;
            ss >> m;
            cout << numToString[m] << endl;
        }
        else
        {
            cout << stringToNum[str] << endl;
        }
    }
}
原文地址:https://www.cnblogs.com/legendcong/p/9618450.html