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这个算法居然用了快1000MS?想不通哦。#include <stdio.h> #include <iostream.h> #include <math.h> main (void) { long number,i; scanf ("%d",&number); for (i = 3;i <= number;i++) { if (number % i == 0) { break; } } cout << i - 1 << endl; return 0; } Followed by:
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