题解 | #[NOIP2010]数字统计#
[NOIP2010]数字统计
https://www.nowcoder.com/practice/179d9754eeaf48a1b9a49dc1d438525a
#include <stdio.h> int main() { int test(int a,int b); int a, b; scanf("%d %d",&a,&b); int z=test(a,b); printf("%d",z); return 0; } int test(int a,int b) { int c=0; int i; for(i=a;i<=b;i++) { int sam; int temp=i; while (temp>0) { sam=temp%10; if(sam==2) { c++; } temp/=10; } } return c; }#牛客创作赏金赛#