题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
#include <stdio.h> int main() { int c = 0; int x = 0; char hash[10] = {0}; int out = 0; while(~scanf("%d",&c)) { while(c!=0) { x= c%10; c = c/10; if(hash[x] == 0 ) { hash[x] = 1; out = 10*out + x; } } } printf("%d",out); return 0; }