uva392測資A

Input:
0 0 0 1 22 -333 0 1 -1
0 0 0 0 0 0 -55 5 0
-1 0 0 0 0 0 0 0 0
1 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1
0 0 1 0 0 1 0 -1 0
0 -999 100 0 -500 1 0 -1 0
9 8 7 6 5 4 3 2 1
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 -7 30 66
0 0 0 0 0 0 1 -3 0
0 0 0 0 0 -1 1 3 -1
-5 0 0 0 -243 0 0 0 -9
-0 -1 -1 -1 -1 -1 -1 -1 -1
Output:
x^5 + 22x^4 - 333x^3 + x - 1
-55x^2 + 5x
-x^8
x^8
1
x^6 + x^3 - x
-999x^7 + 100x^6 - 500x^4 + x^3 - x
9x^8 + 8x^7 + 7x^6 + 6x^5 + 5x^4 + 4x^3 + 3x^2 + 2x + 1
0
-7x^2 + 30x + 66
x^2 - 3x
-x^3 + x^2 + 3x - 1
-5x^8 - 243x^4 - 9
-x^7 - x^6 - x^5 - x^4 - x^3 - x^2 - x - 1