Submission #779522

# Submission time Handle Problem Language Result Execution time Memory
779522 2023-07-11T13:44:19 Z amunduzbaev Mechanical Doll (IOI18_doll) C++17
Compilation error
0 ms 0 KB
#include "doll.h"
#include "bits/stdc++.h"
using namespace std;

#ifndef EVAL
#include "grader.cpp"
#endif

#define ar array
typedef int64_t ll;
typedef int32_t ii;
//~ #define int ll

void create_circuit(ii m, vector<ii> a){
	a.push_back(0);
	int n = a.size(); 
	
	int sz = 1;
	while(sz < n) sz <<= 1;
	vector<int> used(sz * 2);
	function<void(int, int, int)> dfs = [&](int lx, int rx, int x){
		if(rx + n <= sz){
			return;
		}
		used[x] = 1;
		if(lx == rx){
			return;
		}
		
		int m = (lx + rx) >> 1;
		dfs(lx, m, x << 1);
		dfs(m + 1, rx, x << 1 | 1);
	};
	
	dfs(1, sz, 1);
	
	vector<int> sw(sz * 2), pos(sz);
	for(int i=0;i<sz;i++){
		function<void(int, int, int)> go = [&](int x, int lx, int rx){
			if(lx == rx){
				pos[lx] = i;
				return;
			}
			
			int m = (lx + rx) >> 1;
			if(sw[x]) go(x << 1 | 1, m + 1, rx);
			else go(x << 1, lx, m);
			
			sw[x] ^= 1;
		};
		
		go(1, 0, sz - 1);
	}
	
	int last = 0;
	vector<int> id;
	for(int i=0;i<sz;i++){
		if(used[i]){
			used[i] = -(++last);
			id.push_back(i);
		} else {
			used[i] = -1;
		}
	}
	
	fill(used.begin() + sz, used.end(), -1);
	vector<int> p(n); 
	iota(p.begin(), p.end(), sz - n);
	sort(p.begin(), p.end(), [&](int i, int j){
		return pos[i] < pos[j];
	});
	
	for(int i=0;i<n;i++){
		used[sz + p[i]] = a[i];
	}
	
	//~ int lg = 0;
	//~ int tmp = n - 1;
	//~ while(tmp > 1){
		//~ lg++;
		//~ tmp = (tmp + 1) / 2;
	//~ }
	
	//~ assert(last == n - 1 + __lg(n + 1));
	//~ assert(last <= n - 1 + lg);
	//~ assert(last <= 2 * (n - 1));
	
	vector<int> c(m + 1, -1), x(last), y(last);
	for(int i=0;i<last;i++){
		x[i] = used[id[i] << 1];
		y[i] = used[id[i] << 1 | 1];
	}
	
	//~ a.pop_back();
	//~ assert(check(c, x, y, a));
	
	answer(c, x, y);
	
	//~ for(int i=0;i<last;i++){
		//~ cout<<x[i]<<" "<<y[i]<<"\n";
	//~ }
//~ }

Compilation message

doll.cpp: In function 'void create_circuit(ii, std::vector<int>)':
doll.cpp:97:17: error: expected '}' at end of input
   97 |  answer(c, x, y);
      |                 ^
doll.cpp:14:40: note: to match this '{'
   14 | void create_circuit(ii m, vector<ii> a){
      |                                        ^