Compilare: user.cpp: In function ‘void Compute()’: user.cpp:39:71: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[a][b][i][j] = gcd( dp[1-a][b][i][j], dp[1-a][b][i+(1<<k-1)][j] ); ^ user.cpp:45:74: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] dp[a][b][i][j] = gcd( dp[a][1-b][i][j], dp[a][1-b][i][j+(1<<k-1)] ); ^ user.cpp: In function ‘void Read(int&)’: user.cpp:15:49: 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:20:53: 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:50:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid.in","r",stdin); ^ user.cpp:51:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid.out","w",stdout); ^ user.cpp:55:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^