Submission #624913

#TimeUsernameProblemLanguageResultExecution timeMemory
624913DeMen100nsMonkey and Apple-trees (IZhO12_apple)C++17
100 / 100
451 ms200088 KiB
//icant #include<bits/stdc++.h> using namespace std; #define all(c) begin(c), end(c) #define rep(ind, st, end) for(int ind = st;ind<end; ind++) #define ssize(c) static_cast<int>(c.size()) #define pb push_back #define F first #define S second #define endl '\n' #define vv vector<vector using ll = long long; using ld = long double; using pii = pair<int,int>; using vi = vector<int>; using vll = vector<ll>; using vvi = vector<vector<int>>; using vvll = vector<vector<ll>>; using pll = pair<ll, ll>; using vvpii = vector<vector<pii>>; struct SparseST { using Value = ll; using Update = ll; ll inf = LLONG_MAX; Value unit = Value(0); static const Update no_update = Update{0}; // null update Value merge(Value a, Value b) { return a + b; } struct Vertex { Value val; int l = -1, r = -1; Update upd = no_update; Vertex(Value v, ll _sx, ll _dx) : val(v), l(_sx), r(_dx) {} Vertex(Value v) : val(v) {} }; void update_node(Vertex& a, Update upd, ll l, ll r) { a.val = upd * (r - l + 1); } Update combine_updates(Update prev, Update upd) { return upd; } vector<Vertex> st{Vertex{unit}}; void push(int u, ll l, ll r) { if(l == r) return; if(st[u].l == -1) { st[u].l = ssize(st); st.push_back(Vertex(unit)); } if(st[u].r == -1) { st[u].r = ssize(st); st.push_back(Vertex(unit)); } if(st[u].upd != no_update) { update_node(st[st[u].l], st[u].upd, l, (l+r)/2); update_node(st[st[u].r], st[u].upd, (l+r)/2+1, r); if(l < r) { st[st[u].l].upd = combine_updates(st[st[u].l].upd, st[u].upd); st[st[u].r].upd = combine_updates(st[st[u].r].upd, st[u].upd); } st[u].upd = no_update; } } void update(int u, ll l, ll r, ll x, ll y, Update v) { if(r < x || y < l) return; if(x <= l && r <= y) { update_node(st[u], v, l, r); if(l != r) st[u].upd = combine_updates(st[u].upd, v); } else { push(u, l, r); update(st[u].l, l, (l+r)/2, x, y, v); update(st[u].r, (l+r)/2+1, r, x, y, v); st[u].val = merge(st[st[u].l].val, st[st[u].r].val); } } Value query(int u, ll l, ll r, ll x, ll y) { //cout<<"sto a "<<l <<' '<<r<<' '<<st[u].val<<' '<<st[u].upd<<" dpt = "<<dpt<<endl; if(r < x || l > y) return unit; if(l >= x && r <= y) { return st[u].val; } push(u, l, r); return merge( query(st[u].l, l, (l+r)/2, x, y), query(st[u].r, (l+r)/2+1, r, x, y) ); } // [x, y] Value query(ll x, ll y) { return query(0, 0, inf, x, y); } void update(ll x, ll y, Update v) { update(0, 0, inf, x, y, v); } }; int main() { iostream::sync_with_stdio(false); cin.tie(0); int m; cin >> m; SparseST st; int c = 0; rep(i, 0, m) { int d, x, y; cin >> d >> x >> y; if (d == 1) { c = st.query(x + c, y + c); cout << c << '\n'; } else st.update(x + c, y + c, 1); } return 0; }
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