Compilare: main.cpp: In function 'int main()': main.cpp:92:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 92 | for (int i = 2; i < strlen(sir); ++i) | ~~^~~~~~~~~~~~~ main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 100 | for (int i = 2; i < strlen(sir); ++i) | ~~^~~~~~~~~~~~~ main.cpp:107:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 107 | for (int i = 2; i < strlen(sir); ++i) | ~~^~~~~~~~~~~~~