Compilare: user.cpp: In function ‘int cmp1(coord, coord)’: user.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int cmp2(coord, coord)’: user.cpp:22:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:54:35: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d %d\n",Min,cul,c); ^ user.cpp:54:35: warning: ‘cul’ may be used uninitialized in this function [-Wmaybe-uninitialized]