Compilare: user.cpp: In function ‘int main()’: user.cpp:68:66: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] if(j+pas<=n-dr1[i] && j+pas>0 && max(rmq[dr1[i]+1+1<<(lg[j+pas])][lg[j+pas]],rmq[dr1[i]+j+pas][lg[j+pas]])<v[i]) ^ user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turnuri4.in","r",stdin); ^ user.cpp:12:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("turnuri4.out","w",stdout); ^ user.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:15:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^