Eroare de compilare: main.cpp: In function 'int main()': main.cpp:22:19: error: 's' was not declared in this scope 22 | pos = s[l - 1] - '0'; | ^ main.cpp:24:19: error: 's' was not declared in this scope 24 | pos = s[l - 1] - '0' + (s[l - 2] - '0') * 10; | ^ main.cpp:10:12: warning: unused variable 'a' [-Wunused-variable] 10 | int n, a, b, l; | ^ main.cpp:10:15: warning: unused variable 'b' [-Wunused-variable] 10 | int n, a, b, l; | ^ Non zero exit status: 1