meu pau alado de saia rodada

#include <bits/stdc++.h>
#define MAX 200007

using namespace std;
typedef pair<int,int> pii;

int freq[MAX], n, m;
pair<int, int> arr[MAX];

bool compare(pii a, pii b){
    return a.first%m < b.first%m;
}
int main(){
    scanf("%d %d", n, m);

    for(int i = 0; i <n; i++) {
        scanf("%d", &arr[i].first);
        arr[i].second = i;
    }

    sort(arr, arr+n, compare);
    int idx = 0;
    for(int i = 0; i < n; i++){
        arr[i].first =
        if(freq[idx] == n/m) idx++;
    }
    return 0;
}

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