C语言请帮忙详细解释下x++和++x#include int x = 1;int f(int x){ return (x++);}main(){ int y; y = f(2); x = f(x); printf("y=%d x=%d\n",y,x);}运行结果是2,1有点搞不懂return（x++）到底是要返回什么值啊?

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C语言 请帮忙详细解释下x++和++x#include int x = 1;int f(int x){ return (x++);}main(){ int y; y = f(2); x = f(x); printf("y=%d x=%d\n",y,x);}运行结果是2,1有点搞不懂return（x++）到底是要返回什么值啊?

C语言请帮忙详细解释下x++和++x#include int x = 1;int f(int x){ return (x++);}main(){ int y; y = f(2); x = f(x); printf("y=%d x=%d\n",y,x);}运行结果是2,1有点搞不懂return（x++）到底是要返回什么值啊?