Envío 6963

Código

#include <iostream>
using namespace std;

int main(void)
{
	int posT, posD, largeV;
	int movsR = 0, movsL = 0;
	cin >> largeV >> posT >> posD;
	
	for (int i = posT; i < largeV; i--)
	{
		movsL++;
		if (i == posD) break;
		if (i == 0) i = largeV;	
	}
	
	for (int i = posT; i < largeV; i++)
	{
		movsR++;
		if (i == posD) break;
		if (i == largeV - 1) i = -1;	
	}
	
	if (movsR > movsL) cout << movsL - 1;
	else cout << movsR - 1;
	
	return 0;
}