Compilare: user.cpp: In function ‘void Compute(int)’: user.cpp:32:55: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] rmq[l][j] = MAX( rmq[1-l][j], rmq[1-l][j+(1<<i-1)] ); ^ user.cpp:4:23: note: in definition of macro ‘MAX’ #define MAX(a,b)((a)>(b)?(a):(b)) ^ user.cpp:32:55: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] rmq[l][j] = MAX( rmq[1-l][j], rmq[1-l][j+(1<<i-1)] ); ^ user.cpp:4:31: note: in definition of macro ‘MAX’ #define MAX(a,b)((a)>(b)?(a):(b)) ^ user.cpp: In function ‘void Read(int&)’: user.cpp:17:49: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++poz==DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp:22:53: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if(++poz==DIM) fread(buff,1,DIM,stdin),poz=0; ^ user.cpp: In function ‘int main()’: user.cpp:36:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("saracsaurege.in","r",stdin); ^ user.cpp:37:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("saracsaurege.out","w",stdout); ^ user.cpp:41:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&N,&M); ^ user.cpp:42:46: 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]); ^