Arrays Target Sum Triplets

#1

Error: runguard: warning: timelimit exceeded (wall time): aborting command runguard: warning: command terminated with signal 15

I am getting this error even though i get correct ans on other IDE’s. Kindly help.
My code: https://ide.codingblocks.com/s/349622?_ga=2.21908411.1222281472.1601800254-1756075883.1596007635