Compilare: user.cpp: In function ‘int main()’: user.cpp:31:57: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] for(j = 1; j <= M; ++j) fscanf(fin,"%d",&t[i][j]); ^ user.cpp:29:30: 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:31:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(j = 1; j <= M; ++j) fscanf(fin,"%d",&t[i][j]); ^