#include <stdio.h> #include <stdlib.h> #define MAX 200000 long long vv[MAX]; int main() { for (long long n = 0; n<MAX; n++) { vv[n] = 2*n+1; } long long nb = MAX; for (long long i = 1; vv[i] < nb; i++) { long long m = vv[i]; long long nnb = 0; for (long long j = 0; j<nb; j++) { if ((j+1)%m) { vv[nnb++] = vv[j]; } } nb = nnb; } long long k = 0; for (long long n = 0; nb && k < 10000; n++) { if (vv[0]==2) { printf("%lld %lld\n", ++k, n); } nb--; for (long long i = 0; i<nb; i++) { vv[i] = abs(vv[i+1]-vv[i]); } } return 0; }