Compilare: main.cpp: In function 'int main()': main.cpp:15:20: warning: variable 'a' set but not used [-Wunused-but-set-variable] int i, n, k, mx, a, b; ^ main.cpp:15:23: warning: variable 'b' set but not used [-Wunused-but-set-variable] int i, n, k, mx, a, b; ^ main.cpp:16:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^ main.cpp:17:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &k ); ^ main.cpp:20:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^