类型转换 - unsigned to signed int / char
我试过执行以下程序:
#include <stdio.h>int main() {
signed char a = -5;
unsigned char b = -5;
int c = -5;
unsigned int d = -5;
if (a == b)
printf("\r\n char is SAME!!!");
else
printf("\r\n char is DIFF!!!");
if (c == d)
printf("\r\n int is SAME!!!");
else
printf("\r\n int is DIFF!!!");
return 0;}对于这个程序,我得到输出:
char是DIFF !!! int是相同的!
为什么我们两者都有不同的输出?
输出应该如下?
char是相同的!int是相同的!
一个键盘连接。
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