Compilare: user.cpp: In function ‘void Dijkstra(int)’: user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:49:44: note: in expansion of macro ‘INF’ for( int i(1) ; i <= N ; dist[i].distance=INF,dist[i].val=INF,++i); ^ user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:49:60: note: in expansion of macro ‘INF’ for( int i(1) ; i <= N ; dist[i].distance=INF,dist[i].val=INF,++i); ^ user.cpp:48:6: warning: unused variable ‘dista’ [-Wunused-variable] int dista,newnode; ^ user.cpp: In function ‘void Second_Dijkstra()’: user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:83:44: note: in expansion of macro ‘INF’ for( int i(1) ; i <= N ; dist[i].distance=INF,dist[i].val=INF,++i); ^ user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:83:60: note: in expansion of macro ‘INF’ for( int i(1) ; i <= N ; dist[i].distance=INF,dist[i].val=INF,++i); ^ user.cpp:82:7: warning: unused variable ‘dista’ [-Wunused-variable] { int dista,newnode,node; ^ user.cpp: In function ‘void Solve()’: user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:117:35: note: in expansion of macro ‘INF’ if( dist[final_node].distance == INF ) ^ user.cpp: In function ‘void Write()’: user.cpp:10:21: warning: integer overflow in expression [-Woverflow] #define INF (1<<31)-1 ^ user.cpp:122:37: note: in expansion of macro ‘INF’ if( dist[final_node].distance != INF ) ^