The real difference between "int" and "unsigned int"
https://stackoverflow.com/questions/9045436/the-real-difference-between-int-and-unsigned-int
WEBJan 28, 2012 · The 32-bit unsigned int data type can hold integer values in the range of 0 to 4,294,967,295. You may also refer to this data type simply as unsigned. Ok, but, in practice: int x = 0xFFFFFFFF; unsigned int y = 0xFFFFFFFF; printf("%d, %d, %u, %u", x, y, x, y); // -1, -1, 4294967295, 4294967295. no difference, O.o.
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