Compilare: main.cpp: In function 'int main()': main.cpp:83:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int j = 0; j < strlen(s); ++ j) | ~~^~~~~~~~~~~ main.cpp:94:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int j = 0; j < strlen(s); ++ j) | ~~^~~~~~~~~~~