Compilare: user.cpp: In function ‘int main()’: user.cpp:39:33: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(fin, "%d", &v[i][j]); ^ user.cpp:34:8: warning: unused variable ‘ch’ [-Wunused-variable] char ch; ^ user.cpp:35:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &n, &m, &h); ^ user.cpp:39:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i][j]); ^