Compilare: user.cpp: In function ‘int funct(char)’: user.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:48:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &z, &c); ^ user.cpp:81:5: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=poz1; i<poz2; i++){ ^ user.cpp:81:5: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized]