>>137
最後の処理忘れた
#include <iostream>

int main(int argc, char **argv) {
int i, n = 0;
if(argc < 2) return 0;
for(i = 0; argv[1][i]; ++i) {
n = n * 2 + argv[1][i] - '0';
std::cout << argv[1][i];
if(i % 4 == 3) {
std::cout << " = " << std::hex << n << std::endl;
n = 0;
}}
if(i % 4 != 3) std::cout << " = " << std::hex << n << std::endl;
}