Compilare: user.cpp: In function ‘void dij(int)’: user.cpp:33:13: warning: unused variable ‘dist’ [-Wunused-variable] int dist=-q.top().first; ^ user.cpp: In function ‘void bitmask()’: user.cpp:82:30: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] printf("%d",dp[k+1][(1<<k+2)-1]); ^ user.cpp: In function ‘void citire()’: user.cpp:12:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&k); ^ user.cpp:14:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&vPrieteni[i]); ^ user.cpp:18:42: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&nod1,&nod2,&cost); ^ user.cpp: In function ‘int main()’: user.cpp:86:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ubuntzei.in","r",stdin); ^ user.cpp:87:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ubuntzei.out","w",stdout); ^