题解 | #牛牛的digit#
牛牛的digit
https://www.nowcoder.com/practice/21b49f1f495f4280b8a96c415deaa3c4
#include <stdio.h> int main() { int x, i, sum = 0, t = 1; scanf("%d %d", &x, &i); while (i-- > 0) { sum += (x % 10) * t; t *= 10; x /= 10; } printf("%d", sum); return 0; }