Which of the following is not a valid declaration for main
()?
1) int main()
2) int main(int argc, char *argv[])
3) They both work
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main() { unsigned int k = 987 , i = 0; char trans[10]; do { trans[i++] =(char) (k%16 > 9 ? k%16 - 10 + 'a' : '\0' ); } while(k /= 16); printf("%s\n", trans); }
C 
