运行如下代码会输出（ ）。
struct Point {
int x, y;
};
struct Rectangle {
Point topLeft;
Point bottomRight;
};
int main() {
Rectangle rect = {{10, 10}, {20, 20}};
rect.topLeft.x = 5;
Point* p = &rect.bottomRight;
p->y = 5;
cout << rect.topLeft.x + rect.bottomRight.y;
return 0;
}
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