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int solve(int curr, int sum, int Max)
{
return curr+sum>=Max ? curr-1 : solve(curr+1, curr+sum, Max);
}#include <iostream>
using namespace std;
void solve(int &i, int sum, int Max)
{
if(sum + i >= Max)
return ;
i++;
solve(i,sum+i,Max);
}
int main()
{
int m = 1;
solve(m,0,1000);
printf("%d",m);
}