package solver // Validate combination func (solver *Solver) validateCombination(row1 string, row2 string, row3 string, row4 string, row5 string, row6 string, row7 string, row8 string, row9 string) (retval bool) { retval = true for index := range 9 { if row1[index] == row2[index] || row1[index] == row3[index] || row1[index] == row4[index] || row1[index] == row5[index] || row1[index] == row6[index] || row1[index] == row7[index] || row1[index] == row8[index] || row1[index] == row9[index] { retval = false } if row2[index] == row1[index] || row2[index] == row3[index] || row2[index] == row4[index] || row2[index] == row5[index] || row2[index] == row6[index] || row2[index] == row7[index] || row2[index] == row8[index] || row2[index] == row9[index] { retval = false } if row3[index] == row1[index] || row3[index] == row2[index] || row3[index] == row4[index] || row3[index] == row5[index] || row3[index] == row6[index] || row3[index] == row7[index] || row3[index] == row8[index] || row3[index] == row9[index] { retval = false } if row4[index] == row1[index] || row4[index] == row2[index] || row4[index] == row3[index] || row4[index] == row5[index] || row4[index] == row6[index] || row4[index] == row7[index] || row4[index] == row8[index] || row4[index] == row9[index] { retval = false } if row5[index] == row1[index] || row5[index] == row2[index] || row5[index] == row3[index] || row5[index] == row4[index] || row5[index] == row6[index] || row5[index] == row7[index] || row5[index] == row8[index] || row5[index] == row9[index] { retval = false } if row6[index] == row1[index] || row6[index] == row2[index] || row6[index] == row3[index] || row6[index] == row4[index] || row6[index] == row5[index] || row6[index] == row7[index] || row6[index] == row8[index] || row6[index] == row9[index] { retval = false } if row7[index] == row1[index] || row7[index] == row2[index] || row7[index] == row3[index] || row7[index] == row4[index] || row5[index] == row6[index] || row7[index] == row6[index] || row7[index] == row8[index] || row7[index] == row9[index] { retval = false } if row8[index] == row1[index] || row8[index] == row2[index] || row8[index] == row3[index] || row8[index] == row4[index] || row8[index] == row5[index] || row8[index] == row6[index] || row8[index] == row7[index] || row8[index] == row9[index] { retval = false } if row9[index] == row1[index] || row9[index] == row2[index] || row9[index] == row3[index] || row9[index] == row4[index] || row9[index] == row5[index] || row9[index] == row6[index] || row9[index] == row7[index] || row9[index] == row8[index] { retval = false } } return retval }