Compilare: user.cpp: In function ‘int main()’: user.cpp:67:13: warning: unused variable ‘j’ [-Wunused-variable] int p,i,j,l,x,b,c,d,r,xc,yc,f,g; ^ user.cpp:68:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.in","r",stdin); ^ user.cpp:69:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.out","w",stdout); ^ user.cpp:71:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:72:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&n,&m,&xc,&yc); ^ user.cpp:74:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:83:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&l,&c,&r); ^ user.cpp:96:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:101:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&x,&b,&c,&d); ^ user.cpp:122:51: warning: ‘pp’ may be used uninitialized in this function [-Wmaybe-uninitialized] int cP[Nmax] = {0},cT[Nmax] = {0},p = 0,t,pp; ^ user.cpp:122:49: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] int cP[Nmax] = {0},cT[Nmax] = {0},p = 0,t,pp; ^