Compilare: main.cpp: In function 'int main()': main.cpp:15:13: warning: unused variable 'l' [-Wunused-variable] int n, k, l, p, i, cn, last2, last ; ^ main.cpp:15:22: warning: unused variable 'cn' [-Wunused-variable] int n, k, l, p, i, cn, last2, last ; ^~ main.cpp:15:26: warning: variable 'last2' set but not used [-Wunused-but-set-variable] int n, k, l, p, i, cn, last2, last ; ^~~~~ main.cpp:15:33: warning: variable 'last' set but not used [-Wunused-but-set-variable] int n, k, l, p, i, cn, last2, last ; ^~~~ main.cpp:16:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d%d", &p, &n, &k ) ; ^ main.cpp:18:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &v[i] ) ; ^