series

[rahul820]

how to do this series

1+2+4+7+11+....+56

[tath]

find the pattern -> create loop.

[rahul820]

make this code...i cant

[anup30]

for(int i=1, dif =1; i<=56; i+= dif, dif++)

EDIT: please don't create duplicate thread.
http://www.cplusplus.com/forum/beginner/159272/