#include <cstdio> static int measure_bitpower(int x) { return __builtin_popcount(x); } int main() { int target_bitpower; scanf("%d", &target_bitpower); int el = 0; int current_bitpower = 0; while (current_bitpower <= target_bitpower) { el++; current_bitpower += measure_bitpower(el); } printf("%d\n", el - 1); bool first = true; while (el > 0) { if (measure_bitpower(el) == current_bitpower - target_bitpower) { current_bitpower = target_bitpower; } else { if (!first) { putchar(' '); } else { first = false; } printf("%d", el); } el--; } putchar('\n'); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #include <cstdio> static int measure_bitpower(int x) { return __builtin_popcount(x); } int main() { int target_bitpower; scanf("%d", &target_bitpower); int el = 0; int current_bitpower = 0; while (current_bitpower <= target_bitpower) { el++; current_bitpower += measure_bitpower(el); } printf("%d\n", el - 1); bool first = true; while (el > 0) { if (measure_bitpower(el) == current_bitpower - target_bitpower) { current_bitpower = target_bitpower; } else { if (!first) { putchar(' '); } else { first = false; } printf("%d", el); } el--; } putchar('\n'); return 0; } |