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# Add bricks in the wall ``` C++ #include #include using namespace std; int main() { int n = 0; // 测试用例数量 int t = 9; // 行数 cin >> n; while (n--) { int 阅读全文
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# Is This Integration ``` C++ #include #include #define pi 3.141592653589793 using namespace std; int main(){ double a; while(cin >> a){ double x, y, 阅读全文
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# Fourth Point !! ``` c++ #include using namespace std; class point { public: double x; double y; bool equals(const point &p) { if (p.x == x && p.y == 阅读全文