oj.uz

Submission #76623

# Submission time Handle Problem Language Result Execution time Memory
76623 2018-09-15T08:57:35 Z georgerapeanu Mechanical Doll (IOI18_doll) C++11
100 / 100
 121 ms 10152 KB 
#include "doll.h"

#include <queue>

using namespace std;

int sw[(int)4e5][2];
int trig[(int)2e5];

void create_circuit(int M, vector<int> A) {
	
	for(int i = 0;i <= M;i++){
		trig[i] = -1;
	}
	
	int N = A.size();
	int lgN = 0;
	while((1 << lgN) <= N){
		lgN++;
	}
	lgN--;
	
	int last_switch = -(lgN + 1);
	
	queue< pair<int,int> > switches;
	
	for(int i = 0;i < lgN;i++){
		
		sw[i + 1][1] = -(i + 2);
		
		if((N >> (lgN - i)) & 1){
			sw[i + 1][0] = --last_switch;
			switches.push({last_switch,lgN - i - 1});
		}
		else{
			sw[i + 1][0] = -1;
		}
	}
	
	sw[lgN + 1][1] = 0;
	if(N & 1){
		sw[lgN + 1][0] = 0;
	}
	else{
		sw[lgN + 1][0] = -1;
	}
	
	while(!switches.empty()){
		int s = switches.front().first;
		int lvl = switches.front().second;
		switches.pop();
		if(lvl != 0){
			sw[-s][0] = --last_switch;
			switches.push({last_switch,lvl - 1});
			sw[-s][1] = --last_switch;
			switches.push({last_switch,lvl - 1});
		}
		else{
			sw[-s][0] = sw[-s][1] = 0;
		}
	}
	
	
	int ind = 0;
	int node = -1;
	
	while(node != 0){
		if(sw[-node][0] == 0){
			if(ind == A.size()){
				swap(sw[-node][0],sw[-node][1]);
				node = 0;
				continue;
			}
			sw[-node][0] = A[ind++];
			swap(sw[-node][0],sw[-node][1]);
			node = -1;
		}
		else{
			swap(sw[-node][0],sw[-node][1]);
			node = sw[-node][1];
		}
	}
	
	
	vector<int> X(-last_switch),Y(-last_switch),C(M + 1);
	
	for(int i = 0;i <= M;i++){
		C[i] = trig[i];
	}
	
	
	for(int i = 0;i < -last_switch;i++){
		X[i] = sw[i + 1][0];
		Y[i] = sw[i + 1][1];
	}
	
	answer(C,X,Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:69:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |    if(ind == A.size()){
      |       ~~~~^~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 41 ms 4688 KB Output is correct
3 Correct 38 ms 4176 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 11 ms 1868 KB Output is correct
6 Correct 60 ms 6112 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 41 ms 4688 KB Output is correct
3 Correct 38 ms 4176 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 11 ms 1868 KB Output is correct
6 Correct 60 ms 6112 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 92 ms 6956 KB Output is correct
9 Correct 81 ms 7460 KB Output is correct
10 Correct 112 ms 10152 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 41 ms 4688 KB Output is correct
3 Correct 38 ms 4176 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 11 ms 1868 KB Output is correct
6 Correct 60 ms 6112 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 92 ms 6956 KB Output is correct
9 Correct 81 ms 7460 KB Output is correct
10 Correct 112 ms 10152 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 106 ms 9684 KB Output is correct
15 Correct 68 ms 6084 KB Output is correct
16 Correct 109 ms 9168 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 113 ms 9924 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 2 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 65 ms 5924 KB Output is correct
3 Correct 69 ms 5960 KB Output is correct
4 Correct 99 ms 8624 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 65 ms 5924 KB Output is correct
3 Correct 69 ms 5960 KB Output is correct
4 Correct 99 ms 8624 KB Output is correct
5 Correct 113 ms 9140 KB Output is correct
6 Correct 121 ms 8672 KB Output is correct
7 Correct 101 ms 8824 KB Output is correct
8 Correct 101 ms 8628 KB Output is correct
9 Correct 67 ms 5964 KB Output is correct
10 Correct 102 ms 8612 KB Output is correct
11 Correct 105 ms 8628 KB Output is correct
12 Correct 65 ms 5928 KB Output is correct
13 Correct 68 ms 6028 KB Output is correct
14 Correct 68 ms 6052 KB Output is correct
15 Correct 75 ms 6056 KB Output is correct
16 Correct 3 ms 460 KB Output is correct
17 Correct 87 ms 5800 KB Output is correct
18 Correct 63 ms 5932 KB Output is correct
19 Correct 65 ms 5980 KB Output is correct
20 Correct 98 ms 8604 KB Output is correct
21 Correct 106 ms 8624 KB Output is correct
22 Correct 103 ms 8664 KB Output is correct