k倍区间

#include<iostream>
using namespace std;
int main(){
	int n,k,arr[100005];
	int count=0;
	cin>>n>>k;
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	for(int i=0;i<n;i++){
		int sum=0;
		for(int j=i;j<n;j++){
			sum+=arr[j];
			if(sum%k==0){
				cout<<i<<" "<<j<<endl;
				cout<<sum<<endl;
				count++;
			}
		}
	}
	cout<<count;
	return 0;
}