Compilare: user.cpp: In function ‘int main()’: user.cpp:15:15: warning: unused variable ‘j’ [-Wunused-variable] int n, i, j, t, d, k, maxim; ^ user.cpp:15:18: warning: unused variable ‘t’ [-Wunused-variable] int n, i, j, t, d, k, maxim; ^ user.cpp:15:21: warning: unused variable ‘d’ [-Wunused-variable] int n, i, j, t, d, k, maxim; ^ user.cpp:12:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("crescator.in","r",stdin); ^ user.cpp:13:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("crescator.out","w",stdout); ^ user.cpp:18:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:19:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( i = 1; i <= n; ++i ) scanf("%d",&v[i]); ^