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题解 | 牛牛学数列6

#include <stdio.h> int shulie (int num){ if (num==1){ return 0; } if (num==2||num==3){ return 1; } ...

2025-09-15

0 22

题解 | 记数问题

#include <stdio.h> int judge (int num,int x){ int count=0,c; do{ c=num%10; if (c==x) count++; num/=10; }while (num>0); return count...

2025-09-13

0 27