Compilare: user.c: In function ‘main’: user.c:65:7: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘char *’ [-Wformat=] fscanf(in, "%d", &ma[i][j]); ^ user.c:55:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d%d%d%d", &n, &m, &sl, &sc, &fl, &fc); ^ user.c:65:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &ma[i][j]); ^