#include <iostream> #include <cstdlib> using namespace std; void getPos(int x, int w, int &row, int &col) { row = (x - 1) / w; int idx = (x - 1) % w; if (row % 2 == 0) { col = idx; } else { col = w - 1 - idx; } } int main() { int w, m, n; cin >> w >> m >> n; int r1, c1, r2, c2; getPos(m, w, r1, c1); getPos(n, w, r2, c2); int distance = abs(r1 - r2) + abs(c1 - c2); cout << distance << endl; return 0; }