[백준] 1449번 : 수리공 항승 - C

https://www.acmicpc.net/problem/1449

#include<stdio.h>

int main() {
    int n,l;
    scanf("%d %d",&n,&l);
    int arr[n];
    for(int i=0;i<n;i++){
        scanf("%d",&arr[i]);
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n-1-i;j++){
            if(arr[j]>arr[j+1]){
                int temp=arr[j];
                arr[j]=arr[j+1];
                arr[j+1]=temp;
            }
        }
    }
    int count=1;
    int num=l-1;
    for(int i=0;i<n-1;i++){
        if(num>=arr[i+1]-arr[i]){
            num-=arr[i+1]-arr[i];
        }
        else{
            num=l-1;
            count++;
        }
    }
    printf("%d",count);
}