Question

Help dau coroana.....

Answer 1

#include<iostream>

using namespace std;

int main()

{ int n, x, y, z, i, t=0;

cin>>n>>x>>y;

for(i=3; i<=n; i++)

{ cin>>z;

 if(x+y>z && y+z>x && z+x>y)

      t=t+1;

x=y;

y=z;

}

cout<<t;

return 0;

}