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831.cpp
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__________________________________________________________________________________________________
× Close
sample 4 ms submission
class Solution {
public:
string maskPII(string S) {
if(S == "") return "";
if(S.find('@') != string::npos) return mask1(S);
else {
int nums = 0;
string toMask = "";
for(int i = 0; i < S.size(); ++i) {
if('0' <= S[i] && S[i] <= '9') {
nums += 1;
toMask += S[i];
}
}
if(nums == 10) return mask2(toMask);
else return mask3(toMask);
}
cout << "fuck" << endl;
return "";
}
string mask1(const string& toMask) {
auto pos = toMask.find('@');
string domain = toMask.substr(pos);
string name = toMask.substr(0, pos);
char left = name[0], right = name.back();
left = tolower(left);
right = tolower(right);
for(auto &ch : domain) ch = tolower(ch);
string res = string(1, left) + "*****" + string(1, right) + domain;
return res;
}
string mask2(const string& toMask) {
string local = toMask.substr(toMask.size() - 4);
string res = "***-***-" + local;
return res;
}
string mask3(const string& toMask) {
string local = toMask.substr(toMask.size() - 4);
string res = "";
if(toMask.size() == 11) res = "+*-***-***-" + local;
else if(toMask.size() == 12) res = "+**-***-***-" + local;
else res = "+***-***-***-" + local;
return res;
}
};
__________________________________________________________________________________________________
sample 8592 kb submission
class Solution {
public:
string maskPII(string S) {
int n = S.length();
int lst = 0;
int flag = 0;
for(int i = 0;i<n;i++)
{
if(S[i]=='@')
{ lst = i-1;
flag = 1;}
}
if(flag==1)
{
string ans = "";
char a = S[0];
char b = S[lst];
if(S[0]<97 )
a = S[0]+32;
if(S[lst]<97 )
b = S[lst]+32;
ans+=a;
ans+="*****";
ans+=b;
for(int i = lst+1;i<n;i++)
{
if(S[i]>64 && S[i]<92)
S[i]+=32;
ans+=S[i];
}
return ans;
}
else{
string ans = "";
int count = 0;
for(int i = 0;i<n;i++)
{
if(S[i]>=48 && S[i]<=57)
{
count++;
}
}
if(count==10)
{
ans = "***-***-";
int c = 0;int lsi = 0;
for(int i= n;i>=0;i--)
{
if(S[i]>=48 && S[i]<=57){
c++;
if(c==4)
{
lsi = i;
break;
}
}
}
for(int i = lsi;i<n;i++)
{
if(S[i]>=48 && S[i]<=57){
ans+=S[i];
}
}
}
else{
ans = "+";
for(int k = 11;k<=count;k++)
ans+="*";
ans+="-***-***-";
int c = 0;int lsi = 0;
for(int i = n;i>=0;i--)
{
if(S[i]>=48 && S[i]<=57){
c++;
if(c==4)
{
lsi = i;
break;
}
}
}
for(int i = lsi;i<n;i++)
{
if(S[i]>=48 && S[i]<=57){
ans+=S[i];
}
}
}
return ans;
}
}
};
__________________________________________________________________________________________________