Compilare: main.c: In function 'main': main.c:14:18: warning: unused variable 'c' [-Wunused-variable] int n, a, b, c, sum, max1, max2, pozmax1, i; ^ main.c:14:15: warning: unused variable 'b' [-Wunused-variable] int n, a, b, c, sum, max1, max2, pozmax1, i; ^ main.c:14:12: warning: unused variable 'a' [-Wunused-variable] int n, a, b, c, sum, max1, max2, pozmax1, i; ^ main.c:16:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d%d", &n, &v[0], &v[1], &v[2] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:22:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~