Write a SQL query to delete all duplicate email entries in a table named Person, keeping only unique emails based on its smallest Id. +----+------------------+ | Id | Email | +----+------------------+ | 1 | john@example.com | | 2 | bob@example.com |…
好像这次week of code不是很难= = A int main(){ int n; int m; cin >> n >> m; cout<<(n+)/*)/)<<"\n"; ; } B 求n的因数中数字和最大的前提下最小的数,n<=10^5,大模拟. int n; pii qwq; int main() { scanf("%d",&n); ;i<=n;i++) { if(n%i) contin…