new file: P10454.cpp

P10454.cpp

@@ -0,0 +1,93 @@
+// 108
+#include <bits/stdc++.h>
+using namespace std;
+int n;
+vector<int> a;
+int tmp[250005];
+int c[505][505];
+long long ms(int l, int r)
+{
+    if (l >= r)
+        return 0;
+    int mid = l + r >> 1;
+    long long ans = 0;
+    ans = ms(l, mid) + ms(mid + 1, r);
+    int i = l, j = mid + 1, tot = l;
+    while (i <= mid && j <= r)
+    {
+        if (a[i] > a[j])
+            tmp[tot++] = a[j++], ans += tot - j;
+        else
+            tmp[tot++] = a[i++];
+    }
+    while (i <= mid)
+        tmp[tot++] = a[i++];
+    while (j <= r)
+        tmp[tot++] = a[j++];
+    for (int i = l; i <= r; ++i)
+        a[i] = tmp[i];
+    return ans;
+}
+int main()
+{
+    while (cin >> n)
+    {
+        a.clear();
+        a.push_back(0);
+        memset(tmp, 0, sizeof tmp);
+        for (int i = 1; i <= n; ++i)
+            for (int j = 1; j <= n; ++j)
+                scanf("%d", &c[i][j]);
+        for (int i = 1; i <= n; ++i)
+        {
+            if (i % 2)
+            {
+                for (int j = 1; j <= n; ++j)
+                {
+                    if (c[i][j] != 0)
+                        a.push_back(c[i][j]);
+                }
+            }
+            else
+            {
+                for (int j = n; j >= 1; --j)
+                {
+                    if (c[i][j] != 0)
+                        a.push_back(c[i][j]);
+                }
+            }
+        }
+        long long ans1 = ms(1, n * n - 1);
+        a.clear();
+        a.push_back(0);
+        memset(tmp, 0, sizeof tmp);
+        for (int i = 1; i <= n; ++i)
+            for (int j = 1; j <= n; ++j)
+                scanf("%d", &c[i][j]);
+        for (int i = 1; i <= n; ++i)
+        {
+            if (i % 2)
+            {
+                for (int j = 1; j <= n; ++j)
+                {
+                    if (c[i][j] != 0)
+                        a.push_back(c[i][j]);
+                }
+            }
+            else
+            {
+                for (int j = n; j >= 1; --j)
+                {
+                    if (c[i][j] != 0)
+                        a.push_back(c[i][j]);
+                }
+            }
+        }
+        long long ans2 = ms(1, n * n - 1);
+        if (ans1 % 2 == ans2 % 2)
+            puts("TAK");
+        else
+            puts("NIE");
+    }
+    return 0;
+}