#include <stdio.h>//修正後
struct a_xy {
int x;
int y;
};
struct b_xy {
int x;
int y;
};
int main(void)
{
struct a_xy a = {10, 20};
struct b_xy b = {30, 40};
a.x = b.x;
a.x = b.x;
a.y = b.y;
return 0;
}
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