Compilare: main.cpp: In function 'int main()': main.cpp:35:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(i=0;i<strlen(A);i++) | ~^~~~~~~~~~ main.cpp:44:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(i=0;i<strlen(A);i++) | ~^~~~~~~~~~ main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(i=strlen(A);i<strlen(B);i++) | ~^~~~~~~~~~