Compilare: user.cpp: In function ‘void citire()’: user.cpp:29:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ user.cpp:33:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d %d", &n, &m); ^ user.cpp:36:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d %d", &a, &b); ^ user.cpp:42:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &dmin[j][k]); ^ user.cpp: In function ‘void solve()’: user.cpp:67:5: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (j==n+1 && i==n+1) ^