Compilare: main.cpp: In function 'void priorities(char*)': main.cpp:34:6: warning: unused variable 'nbVar' [-Wunused-variable] int nbVar=0,j,value; ^~~~~ main.cpp: In function 'int evalTreeExp(nod*)': main.cpp:113:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:117:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.in","rt",stdin); ^ main.cpp:118:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.out","wt",stdout); ^ main.cpp:120:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n",s); ^