제출 #795927

#제출 시각아이디문제언어결과실행 시간메모리
795927idiotcomputer원숭이와 사과 나무 (IZhO12_apple)C++11
0 / 100
112 ms262144 KiB
#include <bits/stdc++.h> using namespace std; struct node { int sum = 0; int l = -1; int r = -1; int tl,tr; bool has = false; }; const int MAX_N = 1e6*4; const int MAX_V = 1e9; int cnt = 0; node segt[4*MAX_N+1]; void upd(int idx, int tl, int tr){ if (segt[idx].tl > tr || segt[idx].tr < tl){ return; } if (segt[idx].tl >= tl && segt[idx].tr <= tr){ segt[idx].has = true; return; } int mid = (segt[idx].tl + segt[idx].tr)/2; if (segt[idx].l == -1){ segt[idx].l = cnt; cnt ++; segt[segt[idx].l].tl = segt[idx].tl; segt[segt[idx].l].tr = mid; } if (segt[idx].r == -1){ segt[idx].r = cnt; cnt ++; segt[segt[idx].r].tl = mid+1; segt[segt[idx].r].tr = segt[idx].tr; } upd(segt[idx].l,tl,tr); upd(segt[idx].r,tl,tr); int cl = segt[idx].l; int cr = segt[idx].r; segt[idx].sum = 0; if (segt[cl].has){ segt[idx].sum += segt[cl].tr - segt[cl].tl + 1; } else { segt[idx].sum += segt[cl].sum; } if (segt[cr].has){ segt[idx].sum += segt[cr].tr - segt[cr].tl+1; } else { segt[idx].sum += segt[cr].sum; } return; } int query(int idx, int tl, int tr, bool chas){ if (segt[idx].tl > tr || segt[idx].tr < tl){ return 0; } if (segt[idx].has){ chas = true; } if (segt[idx].tl >= tl && segt[idx].tr <= tr){ // cout << idx << ": " << segt[idx].tl << ' ' << segt[idx].tr <<" " << segt[idx].sum << " asd " << tl << ", " << tr << " " << (int) chas << '\n'; if (chas){ return segt[idx].tr - segt[idx].tl + 1; } return segt[idx].sum; } int res = 0; if (segt[idx].l != -1){ res += query(segt[idx].l,tl,tr,chas); } if (segt[idx].r != -1){ res += query(segt[idx].r,tl,tr,chas); } return res; } int main() { int m; cin >> m; int d,x,y; segt[0].tl = 1; segt[0].tr = MAX_V; cnt ++; int c = 0; int res; for (int i =0; i < m; i++){ cin >> d >> x >> y; if (d == 1){ // cout << c << ": "; res = query(0,x+c,y+c,false); c += res; cout << res << '\n'; } else { upd(0,x+c,y+c); } } //cout << MAX_V << " " << MAX_N << '\n'; return 0; }
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