pls tell me why its not printing % when i input same adjacent elements

Question

pls tell me why its not printing % when i input same adjacent elements.
for eg. 3(size) 1 1 2.......btw its an incomplete code ...so pls forget the rest of the part
https://code.sololearn.com/cUARd5ajj62Q/?ref=app

Answer 1

Gordie thanks .......i didn't knew about it....thank you sooo much n btw nice dp sasuke san