Compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short int*’ [-Wformat=] scanf("%d",&x[i]); ^ user.cpp:18:73: warning: unused variable ‘nr4’ [-Wunused-variable] int i,j,nrniv=1,nrcur=1,num,minim=0x3ffffff,nrsec,x1,y1,nr1,nr2,nr3,nr4; ^ user.cpp:19:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma4.in","r",stdin); ^ user.cpp:20:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("suma4.out","w",stdout); ^ user.cpp:21:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x[i]); ^ user.cpp:75:27: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] nr1=nrsec+nrniv*(x1-1)+y1; ^ user.cpp:75:24: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] nr1=nrsec+nrniv*(x1-1)+y1; ^ user.cpp:75:14: warning: ‘nrsec’ may be used uninitialized in this function [-Wmaybe-uninitialized] nr1=nrsec+nrniv*(x1-1)+y1; ^