Compilare: user.cpp:6:54: warning: ‘typedef’ was ignored in this declaration [enabled by default] typedef struct Muchie {unsigned long long e1,e2,cost;}; ^ user.cpp: In function ‘void init()’: user.cpp:13:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=m;i++) ^ user.cpp:16:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp: In function ‘void sortare(int, int)’: user.cpp:27:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { while(i<dr && G[i].cost<x.cost) i++; ^ user.cpp:28:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>st && G[j].cost>x.cost) j--; ^ user.cpp:38:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(st<=j) sortare(st,j); ^ user.cpp:39:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i<=dr) sortare(i,dr); ^ user.cpp: In function ‘int main()’: user.cpp:66:44: warning: unused variable ‘cost’ [-Wunused-variable] unsigned long long i,j,min_c,max_c,M=0,cost,t; ^ user.cpp:66:49: warning: unused variable ‘t’ [-Wunused-variable] unsigned long long i,j,min_c,max_c,M=0,cost,t; ^