题解 | #在字符串中找出连续最长的数字串#

#include<bits/stdc++.h>
using namespace std;
string str;
int main()
{
    while(cin >> str)
    {
        int len = str.length();
        int dp[205] = {0};
        if(isdigit(str[0]))
            dp[0] = 1;
        for(int i = 1; i < len; i++)
        {
              if(isdigit(str[i]))
              {
                  dp[i] = dp[i-1] + 1;
              }else{
                  dp[i] = 0;
              }
        }
        int maxlen = -1;
        for(int i = 0; i < len; i++)
        {
            if(dp[i] > maxlen){
                maxlen = dp[i];
            }
        }
        for(int i = 0; i < len; i++)
        {
            if(dp[i] == maxlen)
            {
                int j = i - maxlen + 1;
                for(j; j <= i; j++)
                {
                    cout << str[j];
                }
            }
        }
        cout << "," << maxlen << endl;
    }
    return 0;
}