#include<stdio.h>void f() {static int a = 200;int b = 1;++b;printf("%d+%d\n", a, b, a + b);a += 200;}main(){int n;for (n= 1; n <= 5; n++)f();}
怎么改成+1+2+3+4这种效果
printf("%d+%d\n", a, b, a + b);输出三个数,但前面只有两个%d