C Programming
Determine Output:void main(){ int i=-1, j=-1, k=0, l=2, m; m = i++ && j++ && k++ || l++; printf("%d %d %d %d %d", i, j, k, l, m);}

0 0 1 3 0
0 0 1 3 1
0 0 1 2 0
0 0 0 2 1

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C Programming
String concatenation means -

Merging two strings.
Partitioning the string into two strings.
Extracting a substring out of a string.
Comparing the two strings to define the larger one.
Combining two strings.

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