Eroare de compilare: main.cpp: In function 'int cb(int)': main.cpp:15:5: warning: no return statement in function returning non-void [-Wreturn-type] 15 | } | ^ main.cpp: At global scope: main.cpp:16:5: error: expected unqualified-id before 'return' 16 | return st; | ^~~~~~ main.cpp:17:1: error: expected declaration before '}' token 17 | } | ^ main.cpp: In function 'int main()': main.cpp:25:5: error: 's' was not declared in this scope 25 | s += x % k; | ^ Non zero exit status: 1