Compilare: user.cpp: In function ‘int main()’: user.cpp:12:72: warning: unused variable ‘d1’ [-Wunused-variable] int n, i, j, k, min1 = 100000001, max1 = 0, ss, sd, di, x, sm = 0, d1 = 0, dk = 0, xi = 2, xj = 4, xk = 6; ^ user.cpp:10:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "split.in", "r", stdin ); ^ user.cpp:11:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "split.out", "w", stdout ); ^ user.cpp:13:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d", &n ); ^ user.cpp:16:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d", &v[i] ); ^