P1618 三连击（升级版）

R69124401

Luogu/P1618/P1618.cpp

@@ -0,0 +1,28 @@
+#include <algorithm>
+#include <iostream>
+
+using std::cin;
+using std::cout;
+#define endl '\n'
+
+int a, b, c,
+    f[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
+bool flag = false;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin >> a >> b >> c;
+    do {
+        int aa = f[0] * 100 + f[1] * 10 + f[2],
+            bb = f[3] * 100 + f[4] * 10 + f[5],
+            cc = f[6] * 100 + f[7] * 10 + f[8];
+        if (aa * b == bb && aa * c == cc || aa == a && bb == b && cc == c) {
+            flag = true;
+            cout << aa << ' ' << bb << ' ' << cc << endl;
+        }
+    } while (std::next_permutation(f, f + 9));
+    if (!flag) {
+        cout << "No!!!" << endl;
+    }
+    return 0;
+}