Compilare: main.c: In function 'LCS': main.c:22:9: warning: unused variable 'k' [-Wunused-variable] int k=1; ^ main.c: In function 'citire': main.c:8:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i]); ^~~~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:37:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&size1,&size2); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~