#include <cstdio> #include <cstring> #include <strings.h> #include <deque> typedef unsigned int smallnum; int jerry_fls(smallnum v) { int r = 1; while (v >>= 1) { r++; } return r; } void print_representation(smallnum k) { int high_bit = jerry_fls(k); // Because of problem setting, high bit must be at least one std::deque<const char*> string_builder; string_builder.push_back("1"); // For the first bit in for (int i = high_bit - 2; i >= 0; i--) { smallnum check_bit = (1u << i); if (k & check_bit) { string_builder.push_front("("); string_builder.push_back("*(1+1)+1)"); } else { string_builder.push_front("("); string_builder.push_back("*(1+1))"); } } for (std::deque<const char*>::iterator i = string_builder.begin(); i != string_builder.end(); i++) { printf("%s", *i); } printf("\n"); } int main() { smallnum t; scanf("%u\n", &t); for (smallnum i = 0; i < t; i++) { smallnum k; scanf("%u\n", &k); print_representation(k); } 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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | #include <cstdio> #include <cstring> #include <strings.h> #include <deque> typedef unsigned int smallnum; int jerry_fls(smallnum v) { int r = 1; while (v >>= 1) { r++; } return r; } void print_representation(smallnum k) { int high_bit = jerry_fls(k); // Because of problem setting, high bit must be at least one std::deque<const char*> string_builder; string_builder.push_back("1"); // For the first bit in for (int i = high_bit - 2; i >= 0; i--) { smallnum check_bit = (1u << i); if (k & check_bit) { string_builder.push_front("("); string_builder.push_back("*(1+1)+1)"); } else { string_builder.push_front("("); string_builder.push_back("*(1+1))"); } } for (std::deque<const char*>::iterator i = string_builder.begin(); i != string_builder.end(); i++) { printf("%s", *i); } printf("\n"); } int main() { smallnum t; scanf("%u\n", &t); for (smallnum i = 0; i < t; i++) { smallnum k; scanf("%u\n", &k); print_representation(k); } return 0; } |