#include <stdio.h>
int main(void) {
int x,b2,b1,b0,sum;
b2 =x/100; //计算百位数字
b1 =(x-b2*100)/10; //计算十位数字
b0 =x%10; //计算个位数字
sum =b2+b1+b0;
return 0;
}
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