在我的電腦上跑出來都與正確答案一樣，但送出去跑出來的結果竟然不一樣??

而且利用 測試執行，陣列row裡面的值還會自己改變..........

測資分別是

1 5 2 4

------------

4 2 5 1

------------

4 3 5 2
---------

5 1 2 4
---------
2 4 5 1

#include<iostream>
using namespace std;
int main() {
	int row[2],col[2];
	int arr[2][2];
	bool weight[4];
	int no,t1,t2;
	cin>>row[0]>>row[1]>>col[0]>>col[1];
	int i,j,k;
	for(i=0; i<2; i++) {
		for(j=0; j<2; j++) {
			memset(weight,false,sizeof weight);
			arr[i][j]=0;
			arr[i][(-1)*j+1] = row[i]; //same row
			arr[(-1)*i+1][j] = col[j]; //same col
			weight[row[i]]=true;
			weight[col[j]]=true;
			t1 = row[(-1)*i+1] - arr[(-1)*i+1][j];
			t2 = col[(-1)*j+1] - arr[i][(-1)*j+1];
			no = 0;
			if(t1>0) {
				weight[t1]=true;
			}
			for(k=1; k<4; k++) {
				if(!(weight[k])) {
					no = 1;
				}
			}
			if(t1==t2 && no==0) {
				arr[(-1)*i+1][(-1)*j+1] = t1;
				cout<<arr[0][0]<<" "<<arr[0][1]<<endl;
				cout<<arr[1][0]<<" "<<arr[1][1]<<endl;
				return 0;
			}
		}
	}
	cout<< "No solutions.\n";
	return 0;
}