Compilare: user.cpp: In function ‘int main()’: user.cpp:6:52: warning: unused variable ‘x’ [-Wunused-variable] int n, k, i, st, dr, mij, t, poz, max, min, s, x; ^ user.cpp:4:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in", "r", stdin); ^ user.cpp:5:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.out", "w", stdout); ^ user.cpp:7:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ user.cpp:11:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^