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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#295671#5067. Two WallszzuqyCompile Error//C++142.6kb2023-12-31 18:30:392023-12-31 18:30:40

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你现在查看的是最新测评结果

  • [2023-12-31 18:30:40]
  • 评测
  • [2023-12-31 18:30:39]
  • 提交

answer

#include <bits/stdc++.h>
#define EPS 1e-12
#define double long double
struct Vector {
	long long x, y;
	inline Vector() {

	}
	inline Vector(long long x, long long y) {
		this->x = x;
		this->y = y;
	}
	inline Vector operator - (const Vector &a)const {
		return (Vector) {
			x - a.x, y - a.y
		};
	}
	inline long long operator * (const Vector &a)const {
		return x * a.x + y * a.y;
	}
	inline long long operator ^ (const Vector &a)const {
		return x * a.y - y * a.x;
	}
	inline __int128 dis() {
		return x * x + y * y;
	}
	inline int operator == (Vector a) {
		return a.x == x && a.y == y;
	}
};

inline int sign(long long a) {
	if (a == 0)
		return 0;
	return a > 0 ? 1 : -1;
}

inline int in(Vector a, Vector p, Vector q) {
	return ((p - a) * (q - a)) < 0;
}

inline int check(Vector a, Vector b, Vector c, Vector d) {
	if (!sign((d - c) ^ (b - a))) {
		if (in(a, c, d) || in(b, c, d) || in(c, a, b) || in(d, a, b)) {
			return 1;
		}
		return 0;
	}
	int cc = sign((c - a) ^ (c - b));
	int dd = sign((d - a) ^ (d - b));
	int aa = sign((a - c) ^ (a - d));
	int bb = sign((b - c) ^ (b - d));
	return  cc != dd &&  aa != bb;
}

int main() {
	int $;
	scanf("%d", &$);
	while ($--) {
		Vector a;
		Vector b;
		Vector c1;
		Vector c2;
		Vector d1;
		Vector d2;
		scanf("%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld",
		      &a.x, &a.y, &b.x, &b.y, &c1.x, &c1.y, &c2.x, &c2.y, &d1.x, &d1.y, &d2.x, &d2.y);
		if (!check(a, b, c1, c2) && !check(a, b, d1, d2)) {
			puts("0");
		} else if (c1 == d1 || c2 == d1 || c1 == d2 || c2 == d2) {
			puts("1");
		} else if (!sign((d2 - d1) ^ (c2 - c1))) {
			puts("1");
		} else if (!check(c1, c2, d1, d2)) {
			puts("1");
		} else if (check(a, b, c1, c2) + check(a, b, d1, d2) == 1) {
			puts("1");
		} else if (!sign((b - a) ^ (c2 - c1)) || !sign((b - a) ^ (d2 - d1))) {
			puts("1");
		} else {
			Vector a0(0, 0), a1(0, 0);
			Vector b0(0, 0), b1(0, 0);
			if (!check(a, c1, d1, d2)) {
				a0 = c1;
			} else {
				a0 = c2;
			}
			if (!check(a, d1, c1, c2)) {
				a1 = d1;
			} else {
				a1 = d2;
			}
			if (!check(b, c1, d1, d2)) {
				b0 = c1;
			} else {
				b0 = c2;
			}
			if (!check(b, d1, c1, c2)) {
				b1 = d1;
			} else {
				b1 = d2;
			}
//			printf("%lf %lf %lf %lf\n", dis(a, b, b1), dis(a0, b, b1), dis(a, b, b0), dis(a1, b, b0));
			if ((((b - a) * (a0 - a))) *(b1 - b).dis()  >(((b - a) * (b1 - b))) * (a0 - a).dis()
			        || ((double)((b - a) * (a1 - a))) *(b0 - b).dis()  > ((b - a) * (b0 - b))) *(a1 - a).dis()) {
				puts("1");
			} else {
				puts("2");
			}
		}
	}
	return 0;
}

Details

answer.code: In function ‘int main()’:
answer.code:105:108: error: invalid type argument of unary ‘*’ (have ‘__int128’)
  105 |                                 || ((double)((b - a) * (a1 - a))) *(b0 - b).dis()  > ((b - a) * (b0 - b))) *(a1 - a).dis()) {
      |                                                                                                            ^~~~~~~~~~~~~~~
answer.code:58:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   58 |         scanf("%d", &$);
      |         ~~~~~^~~~~~~~~~
answer.code:66:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   66 |                 scanf("%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld%lld",
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   67 |                       &a.x, &a.y, &b.x, &b.y, &c1.x, &c1.y, &c2.x, &c2.y, &d1.x, &d1.y, &d2.x, &d2.y);
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~