pat1022：D进制的A+B

https://www.patest.cn/contests/pat-b-practise/1022

#include "stdio.h"int main(){int a, b, d, i, s, flag = 0;char num[32] = {0};scanf("%d %d %d", &a, &b, &d);s = a + b;if(0 == s)printf("0");for(i = 0; i < 32; ++i)if(s > 0){num[i] = s % d + '0';s = s / d;}for(i = 31; i >= 0; --i)if((num[i] > 0) || (1 == flag)){printf("%c", num[i]);flag = 1;}printf("\n");return 0;}