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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#763616#5141. Identical ParityshunhualinCompile Error//C++201.3kb2024-11-19 21:14:202024-11-19 21:14:22

Judging History

你现在查看的是最新测评结果

  • [2024-11-19 21:14:22]
  • 评测
  • [2024-11-19 21:14:20]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define endl "\n"
const int mod = 1e9 + 7;
const int N = 1e5 + 50;
using namespace std;
int Exgcd(int a, int b, int &x, int &y) {
    if (!b) {
        x = 1;
        y = 0;
        return a;
    }
    int d = Exgcd(b, a % b, x, y);
    int t = x;
    x = y;
    y = t - (a / b) * y;
    return d;
}
int Ceil(int &a, int &b){
	if(b > 0){
		return (a + (a > 0 ? b - 1 : 0)) / b;
	}else{
		return (a + (a > 0 ? 0 : b + 1)) / b;
	}
} 
int Floor(int &a, int &b){
	if(b > 0){
		return (a + (a < 0 ? -(b - 1) : 0)) / b;
	}else{
		return (a + (a < 0 ? 0 : -(b + 1))) / b;
	}
}
void slove() {
    int n, k;
    cin >> n >> k;
    int p = n % k, q = k - n % k;
    int a = n / k + 1, b = n / k, c = (n + 1) / 2;
    int x, y;
	int d = Exgcd(a, b, x, y);
	if(c % d != 0){
		cout << "No" << endl;
	}else{
		a = a / d, b = b / d, c = c / d;
		x = x * c, y = y * c;
		int r1 = Floor(p - x), b);
		int l1 = Ceil(-x, b);
		int l2 = Ceil(y - q), a);
		int r2 = Floor(y, a);
		int l = max(l1, l2), r = min(r1, r2);
		if(l <= r){
			cout << "Yes" << endl;
		}else{
			cout << "No" << endl;
		}
	}
}
signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int T = 1;
    cin >> T;
    while(T--) {
        slove();
    }
    return 0;
}

详细

answer.code: In function ‘void slove()’:
answer.code:45:34: error: cannot bind non-const lvalue reference of type ‘long long int&’ to an rvalue of type ‘long long int’
   45 |                 int r1 = Floor(p - x), b);
      |                                ~~^~~
answer.code:26:16: note: in passing argument 1 of ‘long long int Floor(long long int&, long long int&)’
   26 | int Floor(int &a, int &b){
      |                ^
answer.code:46:31: error: cannot bind non-const lvalue reference of type ‘long long int&’ to an rvalue of type ‘long long int’
   46 |                 int l1 = Ceil(-x, b);
      |                               ^~
answer.code:19:15: note:   initializing argument 1 of ‘long long int Ceil(long long int&, long long int&)’
   19 | int Ceil(int &a, int &b){
      |               ^
answer.code:47:33: error: cannot bind non-const lvalue reference of type ‘long long int&’ to an rvalue of type ‘long long int’
   47 |                 int l2 = Ceil(y - q), a);
      |                               ~~^~~
answer.code:19:15: note: in passing argument 1 of ‘long long int Ceil(long long int&, long long int&)’
   19 | int Ceil(int &a, int &b){
      |               ^