Compilare: main.cpp: In function 'int nr_transformari(char*)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 14 | for (int i = 0; i < strlen(s); i++) | ~~^~~~~~~~~~~ main.cpp: In function 'int formare_nr(char*, int&)': main.cpp:24:21: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (f = poz; f < strlen(s); f++) | ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:147:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 147 | for (int i = 0; i < strlen(s); i++) | ~~^~~~~~~~~~~ main.cpp:144:9: warning: unused variable 'f' [-Wunused-variable] 144 | int f, p, nr; | ^ main.cpp:144:12: warning: unused variable 'p' [-Wunused-variable] 144 | int f, p, nr; | ^