#include <iostream> #include <cstdio> #include <algorithm> int main() { int *Number = new int[5000000]; int N, K; scanf("%d%d", &N, &K); for (int i = 0; i < N; i++) scanf("%d", Number[i]); std::sort(Number, Number + N); printf("%d",Number[K - 1]); return 0; }
# include < iostream > # include < vector > using namespace std ; int Num_of_Divisor ( int n ) { int Count = 0 ; for ( int i = 1 ; i < = n ; i + + ) if ( n % i = = 0 ) Count + + ; return Count ; } int main ( ) { int Testcase ; cin > > Testcase ; while ( Testcase - - ) { int Rooms ; cin > > Rooms ; vector < int > Prisons ; for ( int i = 0 ; i < Rooms ; i + + ) Prisons . push_back ( 0 ) ; for ( int i = 1 ; i < Prisons . size ( ) + 1 ; i + + ) { if ( ( Num_of_Divisor ( i ) % 2 ) = = 0 ) Prisons [ i - 1 ] = 0 ; else Prisons [ i - 1 ] = 1 ; } int Fleer = 0 ; for ( int i = 0 ; i < Prisons . size ( ) ; i + + ) if ( Prisons ...
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