Submission #1253725

#TimeUsernameProblemLanguageResultExecution timeMemory
1253725kbityMonkey and Apple-trees (IZhO12_apple)C++20
0 / 100
383 ms263680 KiB
// https://oj.uz/problem/view/IZhO12_apple #include <bits/stdc++.h> using namespace std; #define endl '\n' using LL=long long; using LD=long double; #define FOR(i,l,r) for(auto i=(l);i<=(r);++i) #define ROF(i,l,r) for(auto i=(l);i>=(r);--i) #define REP(i,n) FOR(i,0,(n)-1) #define ITF(e,c) for(auto&e:(c)) #define ssize(x) int(x.size()) #ifdef DEBUG auto operator<<(auto&o,auto p)->decltype(p.first,o){return o<<'('<<p.first<<", "<<p.second<<')';} auto operator<<(auto&o,auto&x)->decltype(x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<'}';} #define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...);}(x),cerr<<'\n' #else #define debug(...) {} #endif struct node { int l = -1, r = -1; bool lazy = 0; int val = 0; }; auto&operator<<(auto&o, node n) {return o<<'('<<n.val<<(n.lazy ? "L" : "")<<"/"<<n.l<<", "<<n.r<<')';} inline int merge(int l, int r) { return l+r; } struct sparseSegment { int base; vector<node> data; sparseSegment(int sz) :base(1 << (int)ceil(log2l(sz))) { (void)makenode(); /* create root node */ } inline int makenode() { data.push_back(node()); return ssize(data)-1; } void propagate(int v, int l) { if (data[v].lazy == 0) return; data[v].val = l; if (l > 1) { if (data[v].l == -1) data[v].l = makenode(); if (data[v].r == -1) data[v].r = makenode(); data[data[v].l].lazy = 1; data[data[v].r].lazy = 1; } data[v].lazy = 0; } void update(int a, int b, int v, int x, int y) { if (v==-1) return; propagate(v, y-x+1); if (b<x||a>y) return; if (a<=x&&y<=b) { data[v].lazy = 1; propagate(v, y-x+1); return; } int mid = (x+y)/2; if (a<=mid && data[v].l == -1) data[v].l = makenode(); if (b>=mid+1 && data[v].r == -1) data[v].r = makenode(); update(a,b,data[v].l,x,mid); update(a,b,data[v].r,mid+1,y); data[v].val = merge( data[data[v].l].val, data[data[v].r].val ); } inline void update(int l, int r) { update(l,r,0,0,base-1); } int query(int a, int b, int v, int x, int y) { if (v==-1) return 0; propagate(v, y-x+1); if (b<x||a>y) return 0; if (a<=x&&y<=b) return data[v].val; int mid = (x+y)/2; return merge( query(a,b,data[v].l,x,mid), query(a,b,data[v].r,mid+1,y) ); } inline int query(int l, int r) { return query(l,r,0,0,base-1); } }; int main() { cin.tie(0)->sync_with_stdio(0); /// query handler { int M; cin >> M; sparseSegment tree(1e9+69); int t,x,y; int dec_C = 0; while(M--) { cin >> t >> x >> y; #ifndef NODECODE x+=dec_C, y+=dec_C; #endif if (t==1) { dec_C = tree.query(x,y); cout << dec_C << endl; } else { tree.update(x,y); } debug(tree.data); } } return 0; }
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