Compilare: main.cpp: In function 'int main()': main.cpp:34:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(k=0;k<strlen(biti)-strlen(c)+1;k++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:26: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(j=k;j<strlen(c)+k;j++) | ~^~~~~~~~~~~~ main.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(j=0;j<strlen(sir);j++) | ~^~~~~~~~~~~~ main.cpp:42:28: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 42 | sir[j]=NULL; | ^~~~