int main(int argc, const char * argv[]) { int origin, bitmask,or,and,xor, not, nor, nand; origin = 0b0101; bitmask = 0b0001; or = origin | bitmask; // 0101 | 0001 = 0101 => 5 and = origin & bitmask; // 0101 & 0001 = 0001 => 1 xor = origin …

左シフトは２倍 右シフトは２分の１倍（切り捨て） #include <stdio.h> int main(int argc, const char * argv[]) { int origin = 0b0111; // 4 + 2 + 1 = 7 int shifted,shifted2,shifted3,shifted4; shifted = origin << 1; // 0b0111 << 1 => 1110 = 8 + 4 + 2 = 1</stdio.h>…

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安定のNewbie hackクオリティ