제출 #742204

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
742204		Markomafko972	원숭이와 사과 나무 (IZhO12_apple)	C++14	100 / 100	83 ms	65612 KiB

apple

#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;

const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);

int n, dod = 0;
int ty, poc, kr;

vector<int> sus[2000005];
pii p[2000005];
int t[2000005];
int slj = 1;

void update(int a, int b, int l, int r, int x) {
	p[x] = {l, r};
	//cout << x << ": " << l << " " << r << endl;
	
	if (b < l || r < a) return;
	if (a <= l && r <= b) {
		//cout << x << ": " << l << " " << r << endl;
		t[x] = r-l+1;
		return;
	}
	if (t[x] == r-l+1) return;
	
	int mid = (l+r)/2;
	
	for (int i = 0; i < sus[x].size(); i++) update(a, b, p[sus[x][i]].X, p[sus[x][i]].Y, sus[x][i]);
	
	if (sus[x].size() == 0 || (sus[x].size() == 1 && p[sus[x][0]].X != l)) {
		sus[x].push_back(slj);
		slj++;
		update(a, b, l, mid, slj-1);
	}
	
	if (sus[x].size() == 0 || (sus[x].size() == 1 && p[sus[x][0]].Y != r)) {
		sus[x].push_back(slj);
		slj++;
		update(a, b, mid+1, r, slj-1);
	}

	t[x] = t[sus[x][0]]+t[sus[x][1]];
}

int query(int a, int b, int l, int r, int x) {
	if (b < l || r < a) return 0;
	if (a <= l && r <= b) {
		return t[x];
	}
	
	if (t[x] == r-l+1) return min(b, r)-max(a, l)+1;
	
	int rj = 0;
	for (int i = 0; i < sus[x].size(); i++) rj += query(a, b, p[sus[x][i]].X, p[sus[x][i]].Y, sus[x][i]);
	return rj;
}

int main () {

	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	for (int i = 0; i < 2e6; i++) p[i] = {-1, -1};
	
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> ty >> poc >> kr;
		poc--, kr--;
		poc += dod, kr += dod;
		
		if (ty == 1) {
			int sol = query(poc, kr, 0, 1e9-1, 0);
			cout << sol << "\n";
			dod = sol;
		}
		else {
			update(poc, kr, 0, 1e9-1, 0);
		}
	}
	

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'void update(int, int, int, int, int)':
apple.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |  for (int i = 0; i < sus[x].size(); i++) update(a, b, p[sus[x][i]].X, p[sus[x][i]].Y, sus[x][i]);
      |                  ~~^~~~~~~~~~~~~~~
apple.cpp: In function 'int query(int, int, int, int, int)':
apple.cpp:61:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |  for (int i = 0; i < sus[x].size(); i++) rj += query(a, b, p[sus[x][i]].X, p[sus[x][i]].Y, sus[x][i]);
      |                  ~~^~~~~~~~~~~~~~~

• Subtask 1: 100 / 100