题解 | #密码验证合格程序#
密码验证合格程序
https://www.nowcoder.com/practice/184edec193864f0985ad2684fbc86841
#include <bits/stdc++.h>
using namespace std;
int main() {
string str;
while(cin>>str)
{
int a[4]={0},fz=0,cf=0;
if(str.size()>8)
{
for(int i=0;i<str.size();i++)
{
if(str[i]>='a'&&str[i]<='z')
{
a[0]=1;
}else if (str[i]>='0'&&str[i]<='9') {
a[1]=1;
}else if (str[i]>='A'&&str[i]<='Z') {
a[2]=1;
}else {
a[3]=1;
}
}
if(a[0]+a[1]+a[2]+a[3]>=3)
{
fz=1;
}
else {
//cout<<"fz";
}
for(int j=3;j<=str.size()/2;j++)//子串
{
for(int k=0;k<str.size()-j;k++)
{
string s1=str.substr(k,j),s2=str.substr(k+j);
if(s2.find(s1)>0 && s2.find(s1)<str.size())
{
cf=1;
//cout<<s1<<" cf";
break;
}
}
if(cf==1)
{
break;
}
}
if(fz==1&&cf==0)
{
cout<<"OK"<<endl;
}
else {
cout<<"NG"<<endl;
}
}else {
//cout<<"cd"<<endl;
cout<<"NG"<<endl;
}
}
}
// 64 位输出请用 printf("%lld")
