'commit'

TangDou/LuoGuBook/P2615.cpp

@@ -0,0 +1,34 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int N = 40;
+int n;
+int g[N][N];
+
+int main() {
+    cin >> n;
+    int r = 1;
+    int c = n / 2 + 1;
+    g[r][c] = 1;
+
+    for (int i = 2; i <= n * n; i++) {
+        if (r == 1 && c != n)
+            r = n, c++;
+        else if (c == n && r != 1)
+            r--, c = 1;
+        else if (r == 1 && c == n)
+            r = 2;
+        else if (r != 1 && c != n) {
+            if (g[r - 1][c + 1] == 0)
+                r--, c++;
+            else
+                r++;
+        }
+        g[r][c] = i;
+    }
+
+    for (int i = 1; i <= n; i++, puts(""))
+        for (int j = 1; j <= n; j++)
+            printf("%d ", g[i][j]);
+    return 0;
+}