Compilare: user.cpp: In function ‘int main()’: user.cpp:23:27: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] if(v[d[i+(1<<j-1)][j-1]]>=v[d[i][j-1]]) ^ user.cpp:26:34: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] d[i][j]=d[i+(1<<j-1)][j-1]; ^ user.cpp:12:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rmq.in","r",stdin); ^ user.cpp:13:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rmq.out","w",stdout); ^ user.cpp:14:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:16:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:34:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&q,&qq); ^