pc

#include <bits/stdc++.h>
using namespace std;

constexpr int maxn = 7;

int n, v[maxn], cur[maxn] = {};

bool inc(){
    int rest = 1;
    for(int i = n-1; i >= 0; --i){
        cur[i] += rest;
        rest = cur[i] / v[i];
        cur[i] %= v[i]; }
    return rest; }

int main(){
    ifstream f("produscartezian2.in");
    ofstream g("produscartezian2.out");
    f >> n;
    for(int i = 0; i < n; ++i) f >> v[i];

    do{
        for(int i = 0; i < n; ++i) g << cur[i]+1 << ' ';
        g << '\n';
    } while(!inc());
    return 0; }