upgrade

SelfEducation/Task/T4/mirror/main.c

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+#include <stdio.h>
+
+void mirror(int *px, int *py);
+void mirror_seg(int *px1, int *py1, int *px2, int *py2);
+
+int main()
+{
+    int x1, y1, x2, y2;
+    int *px1 = &x1, *py1 = &y1;
+    int *px2 = &x2, *py2 = &y2;
+
+    scanf("%d%d", px1, py1);
+    scanf("%d%d", px2, py2);
+
+    // mirror(px1, py1);
+
+    // printf("%d %d\n", x1, y1);
+
+    mirror_seg(px1, py1, px2, py2);
+
+    printf("%d %d %d %d\n", x1, y1, x2, y2);
+
+    return 0;
+}