Compilare: main.cpp: In function 'int main()': main.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (i=0;i<=strlen(s)-1;i++) | ~^~~~~~~~~~~~~ main.cpp:16:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 16 | for (poz=0;poz<=strlen(s);poz++) | ~~~^~~~~~~~~~~