poj3125

简单题

View Code

#include <iostream>
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <algorithm>
using namespace std;

#define maxn 105

int n, m;
int f[maxn];
int g[maxn];
bool vis[maxn];

void input()
{
    scanf("%d%d", &n, &m);
    for (int i = 0; i < n; i++)
        scanf("%d", &f[i]);
    memcpy(g, f, sizeof(g));
}

void work()
{
    int ans = 0;
    memset(vis, 0, sizeof(vis));
    int pos = 0;
    int i = n - 1;
    while (!vis[m])
    {
        while (f[pos % n] != g[i])
            pos++;
        pos %= n;
        vis[pos] = true;
        i--;
        ans++;
        pos++;
    }
    printf("%d\n", ans);
}

int main()
{
    //freopen("t.txt", "r", stdin);
    int t;
    scanf("%d", &t);
    while (t--)
    {
        input();
        sort(g, g + n);
        work();
    }
    return 0;
}