#include <bits/stdc++.h>
#define inf 2147483647
using namespace std;
long long n, m, t[50010], pcjdt[50010], js[50010];
int main() {
    cin >> n >> m;
    for(int i = 1; i <= m; i++) cin >> t[i];
    for(int i = 1; i <= m; i++) {
        int minn = inf, minid;
        for(int j = 1; j <= n; j++)
            if(pcjdt[j] < minn) minn = pcjdt[j], minid = j;
        js[i] = minid;
        pcjdt[minid] += t[i];
    }
    for(int i = 1; i <= n; i++)  {
        bool f = 1;
        for(int j = 1; j <= m; j++)
            if(js[j] == i) {
                cout << j << ' ';
                f = 0;
            }
        if(f) cout << 0;
        cout << '\n';
    }
    return 0;
}

WA on #10