Compilare: main.cpp: In function 'int main()': main.cpp:61:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 61 | for (int j = 0;j < strlen(tmp);j++) | ~~^~~~~~~~~~~~~ main.cpp:64:34: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 64 | while (j < strlen(tmp) && isdigit(tmp[j])) | ~~^~~~~~~~~~~~~