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#include<iostream>
int main()
{
int sum=0,val=1;
while (val<=100)
{
sum+=val;
++val;
}
std::cout<<"sum of 1 to 100 inclusive is "<<sum<<std::endl;
return 0;
}
sum of 1 to 100 inclusive is 5050
Process returned 0 (0x0) execution time : 0.016 s
Press any key to continue.
#include<iostream>
using namespace std;
int main()
{
int sum=0;
for (int i=100;i>=1;i--)
sum+=i;
cout<<sum<<endl;
return 0;
}
5050
Press any key to continue