C++ :

#include<bits/stdc++.h>
#define ll long long
#define inf 0x3f3f3f3f
using namespace std;
const int N=1e6+5;
int n;
ll a[N];
int lowbit(int x)
{
    return x&(-x);
}
void add(int x)
{
    for (int i=x;i<=n;i+=lowbit(i))
    a[i]++;
}
ll sum(int x)
{
   // cout<<x<<endl;
    ll s=0;
    for (int i=x;i>=1;i-=lowbit(i))
    s+=a[i];
    return s;
}
int main()
{
    while(scanf("%d",&n)!=EOF)
    {
        n*=n;
        ll ans1=0,ans2=0;
        int x;
        memset(a,0,sizeof(a));
        for (int i=1;i<=n;i++)
        {
            scanf("%d",&x);
            if (x)
            {
                ans1+=sum(n)-sum(x);
                add(x);
            }
        }
        memset(a,0,sizeof(a));
        for (int i=1;i<=n;i++)
        {
            scanf("%d",&x);
            if (x)
            {
                ans2+=sum(n)-sum(x);
                add(x);
            }
        }
        if ((ans1%2)==(ans2%2)) printf("TAK\n"); else printf("NIE\n");
    }
    return 0;
}

#include<bits/stdc++.h> #define ll long long #define inf 0x3f3f3f3f using namespace std; const int N=1e6+5; int n; ll a[N]; int lowbit(int x) { return x&(-x); } void add(int x) { for (int i=x;i<=n;i+=lowbit(i)) a[i]++; } ll sum(int x) { // cout<<x<<endl; ll s=0; for (int i=x;i>=1;i-=lowbit(i)) s+=a[i]; return s; } int main() { while(scanf("%d",&n)!=EOF) { n*=n; ll ans1=0,ans2=0; int x; memset(a,0,sizeof(a)); for (int i=1;i<=n;i++) { scanf("%d",&x); if (x) { ans1+=sum(n)-sum(x); add(x); } } memset(a,0,sizeof(a)); for (int i=1;i<=n;i++) { scanf("%d",&x); if (x) { ans2+=sum(n)-sum(x); add(x); } } if ((ans1%2)==(ans2%2)) printf("TAK\n"); else printf("NIE\n"); } return 0; }

• • 1. ~^^~

#include #include #include #define N 510000 using namespace std; typedef long long LL; int bst[N],n; inline int lowbit(int x){return x&-x;} void ins(int x) { while(x<=n) { bst[x]++; x+=lowbit(x); } } int findans(int x) { int ans=0; while(x>=1) { ans+=bst[x]; x-=lowbit(x); } return ans; } int a[N],b[N],c[N]; inline bool cmp(int x,int y){return a[x]<a[y];} int main() { a[0]=-9999; while(1) { memset(bst,0,sizeof(bst)); scanf("%d",&n); if(n==0)break; for(int i=1;i<=n;i++){scanf("%d",&a[i]);b[i]=i;} sort(b+1,b+n+1,cmp); int cnt=0; for(int i=1;i<=n;i++) { if(a[b[i]]!=a[b[i-1]])cnt++; c[b[i]]=cnt; } LL ans=0; for(int i=1;i<=n;i++) { ans+=i-1-findans(c[i]);ins(c[i]); } printf("%lld\n",ans); } return 0; }

#include<bits/stdc++.h>
#define ll long long
#define inf 0x3f3f3f3f
using namespace std;
const int N=1e6+5;
int n;
ll a[N];
int lowbit(int x)
{
    return x&(-x);
}
void add(int x)
{
    for (int i=x;i<=n;i+=lowbit(i))
    a[i]++;
}
ll sum(int x)
{
   // cout<<x<<endl;
    ll s=0;
    for (int i=x;i>=1;i-=lowbit(i))
    s+=a[i];
    return s;
}
int main()
{
    while(scanf("%d",&n)!=EOF)
    {
        n*=n;
        ll ans1=0,ans2=0;
        int x;
        memset(a,0,sizeof(a));
        for (int i=1;i<=n;i++)
        {
            scanf("%d",&x);
            if (x)
            {
                ans1+=sum(n)-sum(x);
                add(x);
            }
        }
        memset(a,0,sizeof(a));
        for (int i=1;i<=n;i++)
        {
            scanf("%d",&x);
            if (x)
            {
                ans2+=sum(n)-sum(x);
                add(x);
            }
        }
        if ((ans1%2)==(ans2%2)) printf("TAK\n"); else printf("NIE\n");
    }
    return 0;
}
//钟鼎皓

#include <cstring>
#include <algorithm>

using namespace std;

typedef long long LL;
const int N = 250000;
int c[N], temp[N];

LL merge_sort(int l, int r, int a[])
{
    if(l >= r) return 0;
    int mid = l + r >> 1, i = l, j = mid + 1, k = 0;
    LL res = merge_sort(l, mid, a) + merge_sort(mid + 1, r, a);
    while(i <= mid && j <= r)
    {
        if(a[i] <= a[j]) temp[k++] = a[i++];
        else 
        {
            res += mid - i + 1;
            temp[k++] = a[j++];
        }
    }
    while(i <= mid) temp[k++] = a[i++];
    while(j <= r) temp[k++] = a[j++];
    for(int i = l, j = 0; i <= r; i++, j++) a[i] = temp[j];
    return res;
}

int main()
{
    int n;
    while(cin >> n && n)
    {
        int a[N], b[N];
        for(int i = 0, j = 0; i < n * n; i++) 
        {
            cin >> c[i];
            if(c[i]) a[j++] = c[i];
        }
        for(int i = 0, j = 0; i < n * n; i++) 
        {
            cin >> c[i];
            if(c[i]) b[j++] = c[i];
        }
        LL res1 = merge_sort(0, n * n - 1, a);
        memset(temp, 0, sizeof temp);
        LL res2 = merge_sort(0, n * n - 1, b);
        memset(temp, 0, sizeof temp);
        if((res1 % 2) == (res2 % 2)) puts("TAK");
        else puts("NIE");
    }
    return 0;
}