Compilare: main.cpp: In function 'int main()': main.cpp:35:23: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[100010]' [-Wformat=] fscanf(fin, "%s", &s); ^ main.cpp: In function 'int eval(int, int, char)': main.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:35:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &s); ^