Compilare: user.cpp: In function ‘int main()’: user.cpp:135:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(f,"%d", &t); ^ user.cpp:139:20: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[502]’ [-Wformat=] fscanf(f,"%s", &s); ^ user.cpp:135:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &t); ^ user.cpp:139:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s", &s); ^ user.cpp: In function ‘int verifica(char*, int)’: user.cpp:72:19: warning: ‘m[1]’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(x==1 && m[x]==3) ^ user.cpp:18:16: warning: ‘*((void*)& m +1)’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(n[i]!=0) ^ user.cpp:71:10: note: ‘m’ was declared here char m[502]; ^ user.cpp:74:35: warning: ‘m[x]’ may be used uninitialized in this function [-Wmaybe-uninitialized] else if(final(m,x-1)==0 && m[x]==3) ^