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thx, did everything i can to improve the speed, and finally got AC, and it is solved in 3.9 seconds. in the question it says N<=1000, I still dont understand why would that take so long to finish...

I tried all the inputs from the forum and all worked, still getting tle, could anyone help?
also i tried to add braces around the if/else statements but didnt change.


#include <iostream>
#include <vector>
using namespace std;

bool prime(int n);

int main()
{
int i,n,c,temp;
vector<int> v ...