Compilare: user.cpp: In function ‘int main()’: user.cpp:26:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<strlen(prop); j++) ^ user.cpp:80:30: warning: overflow in implicit constant conversion [-Woverflow] mini=0; minj=0; mat[0][0]=100000000000; ^ user.cpp:21:47: warning: unused variable ‘minim’ [-Wunused-variable] int n,m,i,j,julx,july,romx,romy,p,u,ii,jj,minim,mini,minj; ^ user.cpp:37:29: warning: ‘romy’ may be used uninitialized in this function [-Wmaybe-uninitialized] q[1].x=romx; q[1].y=romy; p=1; u=1; ^ user.cpp:37:16: warning: ‘romx’ may be used uninitialized in this function [-Wmaybe-uninitialized] q[1].x=romx; q[1].y=romy; p=1; u=1; ^ user.cpp:75:31: warning: ‘july’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ii==julx and jj==july){ ^ user.cpp:75:18: warning: ‘julx’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ii==julx and jj==july){ ^ /tmp/ccZgLBzz.o: In function `main': user.cpp:(.text.startup+0x92): warning: the `gets' function is dangerous and should not be used.