Compilare: main.cpp: In function 'void construct()': main.cpp:36:18: warning: unused variable 'ch' [-Wunused-variable] 36 | char ch = s[dr]; | ^~ main.cpp: In function 'int main()': main.cpp:78:18: warning: unused variable 'ch' [-Wunused-variable] 78 | char ch = s[i]; | ^~ main.cpp:74:14: warning: unused variable 'ch' [-Wunused-variable] 74 | char ch = s[i]; | ^~ main.cpp:69:9: warning: unused variable 'n' [-Wunused-variable] 69 | int n = str.size(); | ^