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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
ll t;
cin >> t;
while(t--) {
ll n, m, q, line, state, px, py, nx, ny, mx, mxd, mxx;
scanf("%lld %lld %lld", &n, &m, &q);
set <ll> x, y;
multiset <ll> dif, difx;
set <ll> :: iterator it1, it2;
multiset <ll> :: iterator it3;
x.insert(0), x.insert(n);
y.insert(0), y.insert(m);
dif.insert(m);
difx.insert(n);
for(ll i = 1; i <= q; i++) {
scanf("%lld %lld", &state, &line);
if(state == 0) {
if( x.find(line) == x.end()) {
it3 = x.lower_bound(line);
px = *(--it3);
it3 = x.upper_bound(line);
nx = *it3;
difx.erase( difx.find(nx - px) );
difx.insert(line - px);
difx.insert(nx - line);
x.insert(line);
}
}
else if(y.find(line) == y.end()) {
it3 = y.lower_bound(line);
py = *(--it3);
it3 = y.upper_bound(line);
ny = *it3;
//cout << ny << " " << py << " " << line << endl;
dif.erase( dif.find(ny - py) );
dif.insert(line - py);
dif.insert(ny - line);
y.insert(line);
}
mxd = *(--dif.end());
mxx = *(--difx.end());
mx = mxd * mxx;
printf("%lld\n", mx);
}
}
return 0;
}
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