28 lines
989 B
C++
28 lines
989 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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/*
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%d 有符号32位整数
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%u 无符号32位整数
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%lld 有符号64位整数
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*/
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printf("short:%d bytes,max=%d,min=%d\n", (int)sizeof(short), SHRT_MAX, SHRT_MIN);
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printf("unsigned short:%d bytes,max=%d\n", (int)sizeof(unsigned short), USHRT_MAX, 0);
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puts("");
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printf("int:%d bytes,max=%d,min=%d\n", (int)sizeof(int), INT_MAX, INT_MIN);
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printf("unsigned int:%d bytes,max=%u\n", (int)sizeof(unsigned int), UINT_MAX, 0);
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puts("");
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printf("long long:%d bytes,max=%lld,min=%lld\n", (int)sizeof(long long));
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//使用 %lld 就可以打印一个unsigned long long了，glib中的guint64就是unsigned long long。这是GNU编译器支持的。
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printf("unsigned long long:%d bytes,max=%lld,min=%d\n", (int)sizeof(unsigned long long));
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double a = 1, b = 1;
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if (a * b == 1)
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printf("True");
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else
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printf("False");
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return 0;
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}
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