【C语言】【面试题】【笔试题】对于char 类型用%u与%d输出结果解析

#include <stdio.h>
int main()
{
char a = -1;；
//1000 0000
//11111111 11111111 11111111 1111 1111
printf("%u\n", a);
system("pause");
return 0;
}
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#include <stdio.h>
int main()
{
char a = -1;
//1000 0000
//11111111 11111111 11111111 1111 1111
printf("%d\n", a);
system("pause");
return 0;
}