Why Time limit is exceeding?

#1

#include<bits/stdc++.h>
//#define m 1000000007
using namespace std;

int click(int n,int m)
{
if(n==m)
return 2;
else if(n<m)
return 1;
return (click(n-m,m)%1000000007+click(n-1,m)%1000000007)%1000000007;
}
int main()
{
int t;
cin>>t;
while(t–)
{
int n,m;
cin>>n>>m;
long int a=(click(n,m)%1000000007);
cout<<a%1000000007<<endl;
}
}

why its showing TLE in 1,3,4 and 5 test cases.?

#2

Use Dynamic Programming to avoid TLE.

#3

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