Compilare: user.cpp: In function ‘void dijkstra()’: user.cpp:58:38: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] if (dp[it->first][ors+1<<kuri[it->first]] > c+it->second) ^ user.cpp:60:38: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] dp[it->first][ors+1<<kuri[it->first]]=c+it->second; ^ user.cpp:61:78: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] q.push(make_pair(make_pair(-(c+it->second),it->first),ors+1<<kuri[it->first])); ^ user.cpp: In function ‘void citire()’: user.cpp:18:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:19:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:23:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^ user.cpp:29:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&x,&y,&c); ^ user.cpp: In function ‘int main()’: user.cpp:76:37: 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:77:39: 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); ^