int removeDishes(const vpii &pairs) {
bool removedDish[n];
bool removedPair[pairs.size()];
fill(removedDish, removedDish+n, false);
fill(removedPair, removedPair+pairs.size(), false);
int count = 0;
while (true) {
int pairIndex = findRemovablePair(pairs, removedDish, removedPair);
if (pairIndex < 0) {
return count;
}
removedPair[pairIndex] = true;
removedDish[pairs[pairIndex].first] = true;
removedDish[pairs[pairIndex].second] = true;
count += 2;
}
}
int findRemovablePair(const vpii &pairs, const bool* removedDish,
const bool* removedPair) {
for (int i = 0; i < pairs.size(); i++) {
if (!removedPair[i] && removableDish(pairs[i].first, removedDish) &&
removableDish(pairs[i].second, removedDish)) {
return i;
}
}
return -1;
}
int main ()
{
srand (time (0));
//freopen (NAME".in", "r", stdin);
//freopen (NAME".out", "w", stdout);
scanf ("%d %d", &n, &k);
for (int i = 0; i < n; i++)
{
int x;
scanf ("%d", &x);
a.pb (mp (x, i + 1));
}
sort (a.begin (), a.end (), cmp);
int curr = a [n - 1].frs - a [0].frs;
while (curr > 1 && k > 0)
{
a [n - 1].frs--;
a [0].frs++;
ans.pb (mp (a [n - 1].snd, a [0].snd));
k--;
sort (a.begin (), a.end (), cmp);
curr = a [n - 1].frs - a [0].frs;
}
printf ("%d %d\n", curr, (int) ans.size ());
for (int i = 0; i < (int) ans.size (); i++)
printf ("%d %d\n", ans [i].frs, ans [i].snd);
return 0;
}
void dfs(vvi& res, vi& cur, vpii& count, int idx) {
string ident(idx * 4, ' ');
if (idx == count.size()) {
res.push_back(cur);
return;
}
pii& p = count[idx];
int num = p.first, cnt = p.second;
for (int rep = 0; rep <= cnt; ++rep) {
for (int i = 0; i < rep; ++i) {
cur.push_back(num);
}
dfs(res, cur, count, idx + 1);
for (int i = 0; i < rep; ++i) {
cur.pop_back();
}
}
}
