Compilare: main.cpp: In function 'int main()': main.cpp:72:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int j=0;j<strlen(s);j++) | ~^~~~~~~~~~ main.cpp:81:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int j=0;j<strlen(s);j++) | ~^~~~~~~~~~