'commit'

TangDou/AcWing/Math/P4549_0.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int main() {
+    for (int x = -100; x <= 100; x++)
+        for (int y = -100; y <= 100; y++)
+            if (2 * x + y * 7 == 1) cout << x << " " << y << endl;
+    return 0;
+}