Compilare: main.c: In function 'main': main.c:38:28: warning: variable 'r' set but not used [-Wunused-but-set-variable] int n, m, k, i, pozr, s, r, max, poz0; ^ main.c:39:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &n, &m, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:41:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:43:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &c[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~