Compilare: main.cpp: In function 'int main()': main.cpp:16:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i =0; i < strlen(s);i++){ | ~~^~~~~~~~~~~ main.cpp:19:25: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i =0; i < strlen(s);i++){ | ~~^~~~~~~~~~~ main.cpp:10:29: warning: unused variable 'p1' [-Wunused-variable] 10 | char s[2002], p[2002], *p1, *p2; | ^~ main.cpp:10:34: warning: unused variable 'p2' [-Wunused-variable] 10 | char s[2002], p[2002], *p1, *p2; | ^~ main.cpp:11:9: warning: unused variable 'i' [-Wunused-variable] 11 | int i = 1; | ^