Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:6:20: warning: integer overflow in expression [-Woverflow] #define inf (1<<31)-1 ~~~~~~~^~ main.cpp:79:14: note: in expansion of macro 'inf' D[i]=inf; ^~~ main.cpp: In function 'void afisare()': main.cpp:6:20: warning: integer overflow in expression [-Woverflow] #define inf (1<<31)-1 ~~~~~~~^~ main.cpp:110:18: note: in expansion of macro 'inf' if(D[i]!=inf) ^~~ main.cpp: In member function 'void InParser::next()': main.cpp:27:35: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buf,1,lim,stdin); ^ main.cpp: In function 'void citire()': main.cpp:45:9: warning: 'sign' may be used uninitialized in this function [-Wmaybe-uninitialized] if(sign=='-') ^~ main.cpp:41:14: note: 'sign' was declared here char sign; ^~~~ main.cpp:45:9: warning: 'sign' may be used uninitialized in this function [-Wmaybe-uninitialized] if(sign=='-') ^~ main.cpp:41:14: note: 'sign' was declared here char sign; ^~~~ main.cpp:45:9: warning: 'sign' may be used uninitialized in this function [-Wmaybe-uninitialized] if(sign=='-') ^~ main.cpp:41:14: note: 'sign' was declared here char sign; ^~~~