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4575. Refrigerator Magnets - Useful Blog

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4575. Refrigerator Magnets

written by Useful·BOJ 4575


c
#include <bits/stdc++.h>

using namespace std;

int main(){
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(false);

    string S;
    getline(cin

,

S

)

;

while

(

S

!=

"END"

)

{

bool flag

=

true

;

vector

<

bool

>

arr

(

26

,

false

)

;

for

(

int

i

=

0

;

i

<

S

.

size

(

)

;

i

++

)

{

if

(

S

[

i

]

!=

' '

)

{

if

(

arr

[

S

[

i

]

-

'A'

]

)

{

flag

=

false

;

break

;

}

arr

[

S

[

i

]

-

'A'

]

=

true

;

}

}

if

(

flag

)

{

cout

<<

S

<<

"\n"

;

}

getline

(

cin

,

S

)

;

}

return

0

;

}