Compilare: user.cpp: In function ‘void rezolva1()’: user.cpp:66:11: warning: statement has no effect [-Wunused-value] for (i;i>=1;i--) ^ user.cpp: In function ‘int main()’: user.cpp:147:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("rascoala.in","r",stdin); ^ user.cpp:149:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld%ld%ld%ld",&p,&n,&m,&k); ^ user.cpp:152:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&mat[i][j]); ^ user.cpp: In function ‘void rezolva2()’: user.cpp:80:25: warning: ‘cmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] long ok=0,lmin,lmax,cmin,cmax,mx=0; ^ user.cpp:80:30: warning: ‘cmax’ may be used uninitialized in this function [-Wmaybe-uninitialized] long ok=0,lmin,lmax,cmin,cmax,mx=0; ^ user.cpp:80:15: warning: ‘lmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] long ok=0,lmin,lmax,cmin,cmax,mx=0; ^ user.cpp:80:20: warning: ‘lmax’ may be used uninitialized in this function [-Wmaybe-uninitialized] long ok=0,lmin,lmax,cmin,cmax,mx=0; ^