Question d’entretien chez Google
Given a sorted array [0-99]
With input: [1, 5, 45, 86]
Write a function that prints the empty regions, example Output: “0,2-4,6-44,46-85,87-99”
Réponses aux questions d'entretien
#include
using namespace std;
void printRange(int start, int count)
{
if (count == 1)
{
cout 1)
{
cout = 1)
cout << ",";
index++;
count = 0;
}
}
printRange(start, count);
cout << endl;
return 0;
}
#Python
def empty_regions(a):
if len(a)>0:
if a[0]== 1:
print(0)
elif a[0] > 1:
print('0 -',a[0]-1)
#print the rest
i = 0
while i < len(a)-1:
if a[i]+2 == a[i+1]:
print(a[i]+1)
elif a[i]+2 < a[i+1]:
print(a[i]+1,'-',a[i+1]-1)
i += 1
if a[-1] == 98:
print(99)
elif a[-1]<98:
print(a[-1]+1,'- 99')
else:
print('0-99')
###******************************
a = [1, 5, 45, 86]
empty_regions(a)
private void printRange(int[] array) {
int upperLimit = 99;
int lowerLimit = 0;
for(int num : array){
if(lowerLimit == 0 && num != 0){
System.out.println(0);
}
else if(num - lowerLimit > 0){
System.out.println((lowerLimit + 1) + "-" + (num - 1));
}
lowerLimit = num;
}
if(lowerLimit != upperLimit){
System.out.println((lowerLimit + 1) + "-" + upperLimit);
}
}
public static String printEmpty(int[] input) {
StringBuilder sb = new StringBuilder();
if (input[0] != 0) {
if(input[0] == 1) {
sb.append("0");
} else {
sb.append("0-"+(input[0]-1));
}
}
for (int i = 1; i 1) {
sb.append(",");
if((input[i] - input[i-1]) == 2) {
sb.append(input[i]-1);
} else {
sb.append((input[i-1] +1) + "-" + (input[i] -1 ));
}
}
}
if (input[input.length-1] != 99) {
sb.append(",");
if (input[input.length-1] == 98) {
sb.append("99");
} else {
sb.append((input[input.length-1]+1) + "-99");
}
}
return sb.toString();
}