76 lines
1.5 KiB
C++
76 lines
1.5 KiB
C++
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#include <iostream>
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void printIntAsBinary(int i)
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{
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using type_t = int;
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using cast_type_t = unsigned int;
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cast_type_t v = *((cast_type_t*)(&i));
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unsigned int nbits = sizeof(type_t)*8;
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for (int i = 0; i < nbits; i++) {
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std::cout << ((v & (1ul << (nbits-1-i))) >> (nbits-1-i));
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}
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std::cout << "\n";
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}
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void printLongAsBinary(long l)
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{
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using type_t = long;
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using cast_type_t = unsigned long;
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cast_type_t v = *((cast_type_t*)(&l));
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unsigned int nbits = sizeof(type_t)*8;
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for (int i = 0; i < nbits; i++) {
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std::cout << ((v & (1ul << (nbits-1-i))) >> (nbits-1-i));
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}
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std::cout << "\n";
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}
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void printFloatAsBinary(float f)
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{
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using type_t = float;
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using cast_type_t = unsigned int;
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cast_type_t v = *((cast_type_t*)(&f));
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unsigned int nbits = sizeof(type_t)*8;
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for (int i = 0; i < nbits; i++) {
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std::cout << ((v & (1ul << (nbits-1-i))) >> (nbits-1-i));
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}
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std::cout << "\n";
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}
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void printDoubleAsBinary(double d)
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{
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using type_t = double;
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using cast_type_t = unsigned long;
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cast_type_t v = *((cast_type_t*)(&d));
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unsigned int nbits = sizeof(type_t)*8;
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for (int i = 0; i < nbits; i++) {
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std::cout << ((v & (1ul << (nbits-1-i))) >> (nbits-1-i));
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}
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std::cout << "\n";
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}
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int main(int argc, char *argv[])
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{
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// 1. int
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int i;
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std::cin >> i;
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// 2. long
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long l;
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std::cin >> l;
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// 3. float
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float f;
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std::cin >> f;
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// 4. double
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double d;
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std::cin >> d;
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printIntAsBinary(i);
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printLongAsBinary(l);
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printFloatAsBinary(f);
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printDoubleAsBinary(d);
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return 0;
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}
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