printf
printf的返回值
http://www.nowcoder.com/questionTerminal/a19ef1d8e55c4cc786f11cbf6b2fde61
#include <cstdio>
int main()
{
int len = printf("Hello world!");
printf("\n");
printf("%d", len);
return 0;
}
2020-05-08 00:14 中北大学 C++
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