Compilare: main.c: In function 'main': main.c:11:11: warning: unused variable 'c' [-Wunused-variable] int e,c; ^ main.c:11:9: warning: unused variable 'e' [-Wunused-variable] int e,c; ^ main.c:8:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &G); ^~~~~~~~~~~~~~~~~~ main.c:9:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d", &W); ^~~~~~~~~~~~~~~~~~ main.c:13:8: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d", &E[i], &C[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~