Compilare: user.cpp: In function ‘int main()’: user.cpp:9:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin); ^ user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("split.out","w",stdout); ^ user.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:13:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",v+i); ^ user.cpp:61:24: warning: ‘jg’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ig==imin and jg==j and kg>kmin){kg = kmin;} ^ user.cpp:8:22: warning: ‘kg’ may be used uninitialized in this function [-Wmaybe-uninitialized] int imin, kmin, ig, kg,jg; ^ user.cpp:57:4: warning: ‘ig’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ig>imin){ig = imin; jg = j; kg = kmin;} ^ user.cpp:8:12: warning: ‘kmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] int imin, kmin, ig, kg,jg; ^ user.cpp:57:4: warning: ‘imin’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ig>imin){ig = imin; jg = j; kg = kmin;} ^