Compilare: user.cpp: In function ‘void dynamic()’: user.cpp:109:16: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(i<n && pas[i+1]>pas[i]+1 || (pas[i+1]==pas[i] && cost[i+1]>cost[i])) ^ user.cpp: In function ‘void read()’: user.cpp:83:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.in","r",stdin); ^ user.cpp:84:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:86:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ user.cpp:89:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%d %d",&ii,&j); ^ user.cpp:92:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&l); ^ user.cpp:94:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {scanf("%d %d",&ii,&j); ^ user.cpp: In function ‘void afis()’: user.cpp:139:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("scara3.out","w",stdout); ^