#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
void solve( int n ) {
int a, i, j, k;
vector <int> q, val, poz;
if ( n == 1 ) {
query( { 1 } );
return;
}
if ( n == 2 ) {
if ( query( { 1, 2 } ) == 0 )
query( { 2, 1 } );
return;
}
for ( i = 1; i <= n; i++ ) {
q.push_back( i );
val.push_back( -1 );
poz.push_back( -1 );
}
while ( query( q ) > 0 )
random_shuffle( q.begin(), q.end() );
for ( i = 0; i < n; i++ ) {
if ( val[i] == -1 ) {
for ( j = 0; j < n; j++ ) {
if ( i != j ) {
swap( q[i], q[j] );
a = query( q );
if ( a == 2 ) {
val[i] = q[i];
val[j] = q[j];
} else if ( a == 1 ) {
k = ((i + 1 < n && i + 1 != j) ? i + 1 : (i + 2 < n && i + 2 != j ? i + 2 : (i - 1 >= 0 && i - 1 != j ? i - 1 : i - 2)));
swap( q[i], q[k] );
a = query( q );
if ( a == 3 ) {
val[i] = q[i];
val[j] = q[j];
val[k] = q[k];
} else if ( a == 2 )
val[i] = q[i];
else if ( a == 1 )
val[j] = q[j];
else
val[i] = q[k];
swap( q[i], q[k] );
}
swap( q[i], q[j] );
}
}
}
}
query( val );
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Correct! Number of queries: 34 |
2 |
Incorrect |
1 ms |
264 KB |
Is not a permutation |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Correct! Number of queries: 34 |
2 |
Incorrect |
1 ms |
264 KB |
Is not a permutation |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Correct! Number of queries: 34 |
2 |
Incorrect |
1 ms |
264 KB |
Is not a permutation |
3 |
Halted |
0 ms |
0 KB |
- |