常見資料型別的範圍(常識)
10^3 = 1,000 thousand 千
10^6 = 1,000,000 million 百萬
10^9 = 1,000,000,000 billion 十億
10^12 = 1,000,000,000,000 trillion 萬億(兆)
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速查表:
char -128 ~ +127 (1 Byte) short -32767 ~ + 32768 (2 Bytes) unsigned short 0 ~ 65535 (2 Bytes) int -2147483648 ~ +2147483647 (4 Bytes) unsigned int 0 ~ 4294967295 (4 Bytes) long == int long long -9223372036854775808 ~ +9223372036854775807 (8 Bytes) double 1.7 * 10^308 (8 Bytes)
unsigned int 0~4294967295 long long的最大值:9223372036854775807 long long的最小值:-9223372036854775808 unsigned long long的最大值:18446744073709551615
__int64的最大值:9223372036854775807 __int64的最小值:-9223372036854775808 unsigned __int64的最大值:18446744073709551615