int arrayOne[100]; /// One dimensional
int arrayTwo[10][10];

for(int i = 0;i<10;i++){
 for(int j = 0;j<10;j++){
   arrayTwo[i][j] = arrayOne[(i * 10) + j];
   //replace 10 width the width of the array when its multidimensional
 }
}

//pee pee poo poo :))))(((