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10546. 배부른 마라토너 - Useful Blog

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10546. 배부른 마라토너

written by Useful·BOJ 10546


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

using namespace std;

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

    int N;
    cin >>

N

;

map

<

string

,

int

>

marathon

;

for

(

int

i

=

0

;

i

<

N

;

i

++

)

{

string name

;

cin

>>

name

;

marathon

[

name

]

++

;

}

for

(

int

i

=

0

;

i

<

N

-

1

;

i

++

)

{

string name

;

cin

>>

name

;

marathon

[

name

]

--

;

}

for

(

auto

iter

=

marathon

.

begin

(

)

;

iter

!=

marathon

.

end

(

)

;

iter

++

)

{

if

(

iter

->

second

)

{

cout

<<

iter

->

first

<<

"\n"

;

break

;

}

}

return

0

;

}