Compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(input)){ ^ user.cpp:26:31: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (isdigit(input[i]) && input[i - 1] == ')' || isdigit(input[i]) && input[i - 2] == ')') ^ user.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < strlen(input)) ^ user.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < strlen(input)) ^ user.cpp: In function ‘int gasesteTimpul(char*)’: user.cpp:66:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(c)){ ^ user.cpp:70:27: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (isdigit(c[i]) && c[i - 1] == ')' || isdigit(c[i]) && c[i - 2] == ')') ^ user.cpp: In function ‘int gasesteCuvintele(char*, int)’: user.cpp:130:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^