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11866 : 조세푸스 문제 (Queue) [C++] <미제>

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#include <iostream>

using namespace std;

int main()
{
int N, M;
cin >> N >> M;

int Array[1000];
int Out[1000] = { 0 };
for (int i = 0; i < N; i++)
Array[i] = i + 1;

int out_idx = 0;
int Count = 0;
int Target = 0;

while (1)
{
if (out_idx >= N - 2)
break;
if (Target >= N)
Target %= N;

if (Count == M - 1 && Array[Target] != 0)
{
Out[out_idx++] = Array[Target];
Array[Target] = 0;
Count = 0;
}
else if (Array[Target] != 0)
Count++;

Target++;

if (out_idx >= N - 2)
break;
}

if (Out[0] != 0)
{
cout << "<" << Out[0];
for (int i = 1; i < N - 2; i++)
cout << ", " << Out[i];

for (int i = 0; i < N; i++, Target++)
{
if (Target >= N)
Target %= N;
if (Array[Target] != 0)
cout << ", " << Array[Target];
}

cout << ">";
}
else if (N == 1)
cout << "<1>";

else if (N == 2)
{
if (M == 2)
cout << "<2, 1>";
else
cout << "<1, 2>";
}
}

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1978 : 소수 찾기 [C++]

# include < iostream > # include < vector > using namespace std ; int main ( ) { cin . tie ( NULL ) ; vector < int > Primes ; Primes . push_back ( 2 ) ; Primes . push_back ( 3 ) ; for ( int i = 4 ; i < 1000 ; i + + ) { bool IsPrime = true ; if ( i % 2 = = 0 | | i % 3 = = 0 ) continue ; for ( int j = 4 ; j < i ; j + + ) { if ( i % j = = 0 ) { IsPrime = false ; break ; } } if ( IsPrime ) Primes . push_back ( i ) ; } int N , Count = 0 ; cin > > N ; for ( int i = 0 ; i < N ; i + + ) { int Input ; cin > > Input ; for ( int j = 0 ; j < Primes . size ( ) ; j + + ) if ( Input = = Primes [ j ] ) Count + + ; } cout < < Count < < " \n " ; return 0 ; }

10828 : 스택 [Python]

Stack = [ ] def push ( num ) : Stack . append ( int ( num ) ) def pop ( ) : if len ( Stack ) > 0 : print ( Stack . pop ( ) ) else : print ( - 1 ) def size ( ) : print ( len ( Stack ) ) def empty ( ) : if len ( Stack ) == 0 : print ( 1 ) else : print ( 0 ) def top ( ) : if len ( Stack ) > 0 : print ( Stack [ len ( Stack ) - 1 ] ) else : print ( - 1 ) TestCase = int ( input ( ) ) while TestCase > 0 : Command = input ( ) if Command == 'top' : top ( ) elif Command == 'pop' : pop ( ) elif Command == 'empty' : empty ( ) elif Command == 'size' : size ( ) else : push ( Command [ 5 : ] ) TestCase - = 1