Compilare: main.c: In function 'main': main.c:85:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &m, &n); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:89:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &temp); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:94:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &temp); ^~~~~~~~~~~~~~~~~~~~~~~~