滴滴 2019校园招聘笔试编程题-2018.09.18
输入:
slep slap sleep step shoe shop snap slep
输出:
slep slap step
代码是交卷后写出来的,没有经过测试,不知道是否能够AC
利用DP求出每个字符串的得分(相似度)
#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <algorithm>
using namespace std;
set<char> d1 = {'q', 'w', 'e', 'r', 't', 'a', 's', 'd', 'f', 'g', 'z', 'x', 'c', 'v'};
set<char> d2 = {'y', 'u', 'i', 'o', 'p', 'h', 'j', 'k', 'l', 'b', 'n', 'm'};
bool cmp(pair<string,int> a, pair<string,int> b){
return a.second < b.second;
}
int mins(int a,int b,int c){
if(a > b)
a = b;
if(a > c)
a = c;
return a;
}
void fun(string s, pair<string,int> &a){
string temp = a.first;
vector<vector<int>> dp;
for(int i=0; i<s.size(); i++){
vector<int> te(temp.size(), 0);
dp.push_back(te);
}
for(int i=0; i<s.size(); i++){
dp[i][0] = 3*i;
}
for(int i=0; i<temp.size(); i++){
dp[0][i] = 3*i;
}
for(int i=1; i<s.size(); i++){
for(int j=1; j<temp.size(); j++){
char a = s[i];
char b = temp[j];
int num = dp[i-1][j-1];
if(a == b)
num = num;
else if((d1.count(a) && d1.count(b)) || (d2.count(a) && d2.count(b)))
num += 1;
else
num += 2;
dp[i][j] = mins(num, dp[i-1][j]+3, dp[i][j-1]+3);
}
}
a.second=dp[s.size()-1][temp.size()-1];
}
int main()
{
string s;
getline(cin, s);
vector<pair<string, int>> data;
string st = "";
for(int i=0; i<s.size(); i++){
if(s[i] == ' '){
data.push_back(make_pair(st, INT_MAX));
st = "";
}else{
st += s[i];
}
}
data.push_back(make_pair(st, INT_MAX));
string sss = data[0].first;//保存目标字符转
data.erase(data.begin());//从数组中去除目标字符转
for(int i=0; i<data.size(); i++){
fun(sss, data[i]);
}
sort(data.begin(), data.end(), cmp);
for(int i=0;i<=1;i++){
cout << data[i].first << " ";
}
cout << data[2].first;
return 0;
}
/*
输入:
slep slap sleep step shoe shop snap slep
输出:
slep slap step
输入:
slep slap silep sleep stoep shole shoop solep slep
输出:
slep slap silep
*/