Compilare: main.c: In function 'main': main.c:10:16: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=] fscanf(in, "%d", nr); ^ main.c:14:21: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=] fscanf(in, "%d", v[i]); ^ main.c:10:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", nr); ^~~~~~~~~~~~~~~~~~~~ main.c:14:8: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", v[i]); ^~~~~~~~~~~~~~~~~~~~~~ main.c:10:3: warning: 'nr' is used uninitialized in this function [-Wuninitialized] fscanf(in, "%d", nr); ^~~~~~~~~~~~~~~~~~~~