Borderou de evaluare (job #809287)

Compilare: main.cpp: In function 'int main()': main.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare] 40 | for(j=0;j<strlen(s);) | ~^~~~~~~~~~ main.cpp:44:18: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 44 | s[j]=NULL; | ^~~~ main.cpp:46:18: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 46 | d[j]=NULL; | ^~~~