水题,代码写的有点戳
#include<stdio.h>
int main(){
int r,g,b,cnt;
char rst[6]={'0','0','0','0','0','0'};
scanf("%d %d %d",&r,&g,&b);
if(r%13<10) rst[1]='0'+r%13;
else rst[1]='A'+r%13-10;
r=r/13;
if(r%13<10) rst[0]='0'+r%13;
else rst[0]='A'+r%13-10;
if(g%13<10) rst[3]='0'+g%13;
else rst[3]='A'+g%13-10;
g=g/13;
if(g%13<10) rst[2]='0'+g%13;
else rst[2]='A'+g%13-10;
if(b%13<10) rst[5]='0'+b%13;
else rst[5]='A'+b%13-10;
b=......
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