Compilare: main.cpp: In function 'int main()': main.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(i=0;i<strlen(s);i++) | ~^~~~~~~~~~ main.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i=0;i<strlen(t);i++) | ~^~~~~~~~~~ main.cpp:11:11: warning: unused variable 'j' [-Wunused-variable] 11 | int i,j,c, fr1[36]={0},fr2[36]={0}; | ^