plz see into my submission
it is showing WA always
https://www.codechef.com/viewsolution/30664999
for(int k=j+1;k<n;k++)
In this loop, in case k=n-1, you are trying to compare s[k+1] to something else, but s[k+1] is equal to s[n] in this case, which does not exist and will cause error.
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