#line 1 "main.cpp" #include #include #include #include using namespace std; using lint = long long; void solve() { lint h, w; int q; cin >> h >> w >> q; lint ans = h * w; map pos; while (q--) { lint x, y; cin >> x >> y; if (!pos.count(y)) pos[y] = h + 1; if (pos[y] >= x) { ans -= pos[y] - x; pos[y] = x; } cout << ans << "\n"; } } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); solve(); return 0; }