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#include <stdio.h> #include <math.h> int R,C, Lr, Lc, Gr, Gc; int get_dist(int a, int b, int x, int y) { } int main() { { int d = get_dist(Gr, Gc, Lr, Lc); if (d == 0) { } else if (R == 1 || C == 1) { } else if (R == 2 || C == 2) { if (d % 3 == 0) { } else { switch(d) { case 1: break; case 2: break; case 3: break; case 4: break; case 5: break; } if (d > 5) { int result = (d % 3) > 0 ? 1 : 0; result += d/3; } } } return 0; }