- [测试]龙凤苑中学C班5.16
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- @ 2024-5-16 17:07:57
‘’‘ #include<bits/stdc++.h> using namespace std; int n,x,cnt; int main(){ cin>>n>>x; for(int i=1;i<=n;i++) { int j=i; for(int o=1;o<=n;o++) { if(j%10==x) { cnt+=1; } j/=10; } } cout<<cnt; return 0; } ‘’‘
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