Järjestys

input/code.cpp: In function 'void turn(int*, int)':
input/code.cpp:72:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<sizeof(arr); i++) {
                            ^

#include <iostream>
#include <sstream>
#include <cstring>
#include <cstdlib>

using namespace std;

void turn(int *arr, int last);

int main() {
	std::ostringstream turns_oss;

	unsigned int length;
	unsigned int turns_count = 0;
	
    cin >> length;    
    
    int array[length];
    
    for (unsigned int i=0; i<length-1; i++) {
    	char input[6];
    	cin.getline(input, 6, ' ');
    	array[i] = atoi(input);
    }
    char input[6];
    cin.getline(input, 6);
    array[length-1] = atoi(input);
    
    
    int lastnotdone = length-1;

    
	while (lastnotdone > 0) {
	
		
		int max = 0;
		int max_i = 0;	
		for (int i=0; i<=lastnotdone; i++) {
			if (array[i] > max) {
				max = array[i];
				max_i = i;
			}
		}
		
		
		if (max_i == lastnotdone) {
			lastnotdone--;
			continue;
		}
		
		turn(array, max_i);
		turn(array, lastnotdone);

		turns_oss << (max_i+1) << " " << (lastnotdone+1) << " ";
		turns_count += 2;
		
		lastnotdone--;
		
	}
	
	
	
	cout << turns_count << '\n';
	cout << turns_oss.str() << endl;
}



void turn(int *arr, int last) {
	int n_arr[sizeof(arr)];
	
	for (int i=0; i<sizeof(arr); i++) {
		if (i<=last) {
			n_arr[last-i] = arr[i];
		} else {
			n_arr[i] = arr[i];
		}
	}
	arr = n_arr;
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED