c语言编程 计算邮资#include <stdio.h>int main(){float w,y=0.8 char ch printf("重几克:") scanf("%f",&w)2023-02-24Python160
求C语言问题#include<stdio.h>int main (){char s[]="China" int i for(i=0i<5i++) s[i]+=i+1 printf("2023-02-24Python150