Compilare: user.c: In function ‘main’: user.c:69:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘short int *’ [-Wformat=] fscanf(in, "%d", &ma[j][i]); ^ user.c:82:9: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘short int *’ [-Wformat=] fscanf(in, "%d", &ma[i][j]); ^ user.c:65:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d%d", &n, &m, &l, &c); ^ user.c:69:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &ma[j][i]); ^ user.c:82:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &ma[i][j]); ^