Please-give-me-a-chance(3).zip_CHANCE

#include <stdio.h> #include <stdlib.h> void main() { int num, wei = 0; printf("要输入的数据：\n"); scanf_s("%d",&num); int numA = num; for (; num; num /= 10) { wei++; } int last=0; for (int i = 0; i < wei; i++) { last += (numA / getn(i) % 10)*getn(wei - 1 - i); } printf("%d\n", last); system("pause"); } int getn(int n) { int res = 1, i; for (i = 0; i < n; i++) { res *= 10; } return(res); } int getwei(int num) { int wei=0,numa; for (numa = num; numa; numa /= 10) wei++; return wei; }